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    LTC3429 Price and Stock

    Analog Devices Inc LTC3429ES6-TRPBF

    IC REG BOOST ADJ 600MA TSOT23-6
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3429ES6-TRPBF Digi-Reel 4,237 1
    • 1 $8.14
    • 10 $5.586
    • 100 $4.1871
    • 1000 $3.42918
    • 10000 $3.42918
    		Buy Now
    LTC3429ES6-TRPBF Cut Tape 4,237 1
    • 1 $8.14
    • 10 $5.586
    • 100 $4.1871
    • 1000 $3.42918
    • 10000 $3.42918
    		Buy Now
    LTC3429ES6-TRPBF Reel 2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $3.2875
    		Buy Now

    Analog Devices Inc LTC3429BES6-TRMPBF

    IC REG BOOST ADJ 600MA TSOT23-6
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3429BES6-TRMPBF Digi-Reel 704 1
    • 1 $8.14
    • 10 $5.586
    • 100 $4.1871
    • 1000 $3.82872
    • 10000 $3.82872
    		Buy Now
    LTC3429BES6-TRMPBF Cut Tape 704 1
    • 1 $8.14
    • 10 $5.586
    • 100 $4.1871
    • 1000 $3.82872
    • 10000 $3.82872
    		Buy Now
    LTC3429BES6-TRMPBF Reel 500 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.42918
    • 10000 $3.2875
    		Buy Now

    Analog Devices Inc LTC3429ES6-TRMPBF

    IC REG BOOST ADJ 600MA TSOT23-6
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3429ES6-TRMPBF Digi-Reel 385 1
    • 1 $8.14
    • 10 $5.586
    • 100 $4.1871
    • 1000 $3.82872
    • 10000 $3.82872
    		Buy Now
    LTC3429ES6-TRMPBF Cut Tape 385 1
    • 1 $8.14
    • 10 $5.586
    • 100 $4.1871
    • 1000 $3.82872
    • 10000 $3.82872
    		Buy Now
    LTC3429ES6-TRMPBF Reel 500
    • 1 -
    • 10 -
    • 100 -
    • 1000 $3.42918
    • 10000 $3.2875
    		Buy Now

    Analog Devices Inc LTC3429BES6-TRPBF

    IC REG BOOST ADJ 600MA TSOT23-6
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3429BES6-TRPBF Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $3.2875
    		Buy Now

    Analog Devices Inc LTC3429ES6#TRPBF

    Switching Voltage Regulators 600mA, 500kHz uP Sync Boost Conv w/ Out
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics LTC3429ES6#TRPBF 2,815
    • 1 $6.31
    • 10 $5.59
    • 100 $4.19
    • 1000 $3.43
    • 10000 $3.23
    		Buy Now
    Newark LTC3429ES6#TRPBF Cut Tape 1,583 1
    • 1 $6.31
    • 10 $5.59
    • 100 $4.19
    • 1000 $3.43
    • 10000 $3.43
    		Buy Now
    Analog Devices Inc LTC3429ES6#TRPBF 848 1
    • 1 $8.14
    • 10 $5.586
    • 100 $4.1871
    • 1000 $3.42918
    • 10000 $3.2875
    		Buy Now
    TME LTC3429ES6#TRPBF 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $2.78
    		Get Quote
    Richardson RFPD LTC3429ES6#TRPBF 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $3.4
    		Buy Now
    Find more LTC3429 price and stock on Findchips.com

    LTC3429 Datasheets (14)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    LTC3429 Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect Original PDF
    LTC3429B Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect Original PDF
    LTC3429BES6 Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429BES6#PBF Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429BES6#TR Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429BES6#TRM Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429BES6#TRMPBF Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429BES6#TRPBF Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429ES6 Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429ES6#PBF Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429ES6#TR Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429ES6#TRM Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429ES6#TRMPBF Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF
    LTC3429ES6#TRPBF Linear Technology 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect; Package: SOT; No of Pins: 6; Temperature Range: -40°C to +125°C Original PDF

    LTC3429 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    DC559

    Abstract: LTC3429 LTC3429B
    Text: QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 559 SYNCHRONOUS BOOST CONVERTER WITH OUTPUT DISCONNECT LTC3429 DESCRIPTION Demonstration circuit 559 is a high efficiency synchronous boost DC/DC converter with output disconnect, inrush current limiting and soft-start functions featuring


    Original     		PDF LTC3429 LTC3429. 250mA DC559 LTC3429; LTC3429B. LTC3429 LTC3429B 500KHz

    Untitled

    Abstract: No abstract text available
    Text: LTC3429/LTC3429B 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ U ■ DESCRIPTIO Up to 96% Efficiency True Output Load Disconnect Inrush Current Limiting and Internal Soft-Start


    Original     		PDF LTC3429/LTC3429B 600mA, 500kHz LTC3429B) OT-23 QFN24 LTC3425 QFN32 LT3464

    LTH5

    Abstract: lth5 converter CDRH3D16-4R7 CDRH5D18-4R1 CR43-100 CR43-4R7 LTC3429 LTC3429ES6 D0160c CDRH3D16-6R8
    Text: LTC3429 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Up to 96% Efficiency True Output Load Disconnect Inrush Current Limiting and Internal Soft-Start


    Original     		PDF LTC3429 600mA, 500kHz OT-23 QFN24 LTC3425 QFN32 LT3464 3429f LTH5 lth5 converter CDRH3D16-4R7 CDRH5D18-4R1 CR43-100 CR43-4R7 LTC3429 LTC3429ES6 D0160c CDRH3D16-6R8

    LTH5

    Abstract: CDRH5D18-4R1 LTC3429 LTC3429B LTC3429BES6 LTC3429ES6 AVX 620 102M ltbms D0160C-472
    Text: LTC3429/LTC3429B 600mA, 500kHz Micropower Synchronous Boost Converter with Output Disconnect U FEATURES DESCRIPTIO • The LTC 3429/LTC3429B are high efficiency synchronous, fixed frequency, step-up DC/DC converters with true output load disconnect, inrush current limiting and softstart in a low profile 6-lead ThinSOTTM package. These


    Original     		PDF LTC3429/LTC3429B 600mA, 500kHz 3429/LTC3429B 100mA 250mA LTC3429B) QFN24 LTC3425 QFN32 LTH5 CDRH5D18-4R1 LTC3429 LTC3429B LTC3429BES6 LTC3429ES6 AVX 620 102M ltbms D0160C-472

    230V ac to 9V dc converter circuit

    Abstract: LTC3539-2 Sumida CDR6D23 3539F LQH55D LTC3528 sc-70 package pcb layout VLF5014ST package MSS5131 MSS6132
    Text: LTC3539/LTC3539-2 2A, 1MHz/2MHz Synchronous Step-Up DC/DC Converters FEATURES DESCRIPTION n The LTC 3539/LTC3539-2 are synchronous, 2A step-up DC/DC converters with output disconnect. Synchronous rectification enables high efficiency in the low profile


    Original     		PDF LTC3539/LTC3539-2 3539/LTC3539-2 700mV 500mV 900mA 700mV LTC3539) LTC3539-2) LTC3527/ 230V ac to 9V dc converter circuit LTC3539-2 Sumida CDR6D23 3539F LQH55D LTC3528 sc-70 package pcb layout VLF5014ST package MSS5131 MSS6132

    Untitled

    Abstract: No abstract text available
    Text: LTC3539/LTC3539-2 2A, 1MHz/2MHz Synchronous Step-Up DC/DC Converters FEATURES n n n n n n n n n n n n n DESCRIPTION Delivers 3.3V at 900mA From 2 Alkaline/NiMH Cells Delivers 5V at 900mA From a Lithium-Polymer Battery VIN Start-Up Voltage: 700mV 1.5V to 5.25V VOUT Range


    Original     		PDF LTC3539/LTC3539-2 900mA 700mV LTC3539) LTC3539-2) 3539/LTC3539-2 LTC3527/ LTC3527-1 800mA/400mA,

    Untitled

    Abstract: No abstract text available
    Text: LTC3428 4A, 2MHz Dual Phase Step-Up DC/DC Converter in 3mm x 3mm DFN DESCRIPTION FEATURES n n n n n n n n n n High Efficiency: Up to 92% 2-Phase Control Reduces Output Voltage Ripple 5V at 2A from 3.3V Input 3.3V at 1.5A from 1.8V Input 1.6V to 5.25V Adjustable Output Voltage


    Original     		PDF LTC3428 10-Pin LTC3428 DFN-12 LTC3459 LT3464 3428fb

    Untitled

    Abstract: No abstract text available
    Text: LTC3523/LTC3523-2 Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters FEATURES n n n n n n n n n n n DESCRIPTION Dual High Efficiency DC/DC Converters: Step-Up VOUT = 1.8V to 5.25V, ISW = 600mA Step-Down (VOUT = 0.615V to 5.5V, IOUT = 400mA) 1.8V to 5.5V Input Voltage Range


    Original     		PDF LTC3523/LTC3523-2 600mA 400mA 600mA) 400mA) LTC3523) LTC3523-2) 16-Lead 3523/LTC3523-2

    1000k pot

    Abstract: JMK212BJ225MD JMK212BJ475MD LT1615 LT1618 LTC3427 LTC3427EDC RLF7030T-4R7M3R4 3427f
    Text: LTC3427 500mA, 1.25MHz Synchronous Step-Up DC/DC Converter in 2mm x 2mm DFN Package U FEATURES DESCRIPTIO • The LTC 3427 is the industry’s first high efficiency, fixed frequency, step-up DC/DC converter with true output disconnect in a 6-lead 2mm × 2mm DFN package. Requiring minimal external components, the LTC3427 operates


    Original     		PDF LTC3427 500mA, 25MHz LTC3427 200mA LTC3459 LTC3525-3 1000k pot JMK212BJ225MD JMK212BJ475MD LT1615 LT1618 LTC3427EDC RLF7030T-4R7M3R4 3427f

    how to stepup 0.5v to 5v

    Abstract: No abstract text available
    Text: LTC3525L-3 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect FEATURES n n n n n n n n n n n n n DESCRIPTION Start-Up at 0.7V Typical, 0.88V Guaranteed Up to 95% Efficiency Output Disconnect and Inrush Current Limit 3V Fixed Output Voltage


    Original     		PDF LTC3525L-3 400mA 160mA 3525L-3 LTC3525 400mA, LTC3526/LTC3526B 500mA 3525lfa how to stepup 0.5v to 5v

    Untitled

    Abstract: No abstract text available
    Text: LTC3458L 1.7A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect DESCRIPTIO FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ U ■ High Efficiency: Up to 95% Inrush Current Limiting and Output Disconnect Programmable Output Voltages up to 6V 1.5V to 6V Input Range


    Original     		PDF LTC3458L 12-Pin LTC3459 LT3460 320mA LT3464 3458lfa

    Untitled

    Abstract: No abstract text available
    Text: LTC3530 Wide Input Voltage Synchronous Buck-Boost DC/DC Converter DESCRIPTION FEATURES n n n n n n n n n n n n Regulated Output with Input Voltages Above, Below or Equal to the Output 1.8V to 5.5V Input and 1.8V to 5.25V Output Range 250mA Continuous Output Current from 1.8V VIN


    Original     		PDF LTC3530 250mA 600mA LTC3440 300kHz 10-Lead 10-Lead LTC3442 LTC3443 600kHz)

    LTbwm

    Abstract: DN4835 LTC3531 LTC3531-3 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3
    Text: LTC3531/ LTC3531-3.3/LTC3531-3 200mA Buck-Boost Synchronous DC/DC Converters U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Regulated Output with Input Above, Below or Equal to the Output Single Inductor Up to 90% Efficiency


    Original     		PDF LTC3531/ LTC3531-3 3/LTC3531-3 200mA 125mA 3531fa LTbwm DN4835 LTC3531 LTC3531EDD LTC3531EDD-3 LTC3531ES6-3

    SSN SOT-23

    Abstract: LTC3452 LTC3445 LTC1734 LTC1734L LTC4054L LTC4056 LTC4057 2x2 dfn lt1618
    Text: 06.2006 Power Management for Portable Products High Performance Analog ICs Power Management for Portable Products CCD Bias Page 16 CCD MAIN 1-10 Backlight and Camera Flash White LED Drivers Page 17– 20 SUB 1-6 RGB 4096 colors CAM (1A MAX) 1-8 AUX 1-4 Up to 40V


    Original     		PDF PMPP060610K SSN SOT-23 LTC3452 LTC3445 LTC1734 LTC1734L LTC4054L LTC4056 LTC4057 2x2 dfn lt1618

    3528 ic voltage

    Abstract: 3528 pwm 3528 pwm 20 pin 3528 IC circuit diagram 3528 pins 20 IC 3528 13 tap inductor 3528 footprint 3528 switch MARKING D53 SC-70
    Text: LTC3528/LTC3528B 1A, 1MHz Synchronous Step-Up DC/DC Converters in 3mm x 2mm DFN FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTION Delivers 3.3V at 200mA from a Single Alkaline/ NiMH Cell or 3.3V at 400mA from Two Cells VIN Start-Up Voltage: 700mV


    Original     		PDF LTC3528/LTC3528B 200mA 400mA 700mV LTC3528) LTC3528B) SC-70 LTC3526/LTC3526B LTC3526-2/LTC3526-2B 500mA, 3528 ic voltage 3528 pwm 3528 pwm 20 pin 3528 IC circuit diagram 3528 pins 20 IC 3528 13 tap inductor 3528 footprint 3528 switch MARKING D53 SC-70

    Untitled

    Abstract: No abstract text available
    Text: LTC3530 Wide Input Voltage Synchronous Buck-Boost DC/DC Converter DESCRIPTION FEATURES n n n n n n n n n n n n Regulated Output with Input Voltages Above, Below or Equal to the Output 1.8V to 5.5V Input and 1.8V to 5.25V Output Range 250mA Continuous Output Current from 1.8V VIN


    Original     		PDF LTC3530 LTC3440 600mA LTC3442 LTC3443 600kHz) 500mA 3530fb

    MIP3226D3R3M

    Abstract: MIP3226D4R7M 16V DC to 12v dc 5 amp converter circuit diagram 3526 NP03SB6R8M NR3012T MIP3226 LTC3526L MIPF2520D4R7 fb 1225
    Text: LTC3526L/LTC3526LB 550mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm x 2mm DFN DESCRIPTION FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Delivers 3.3V at 100mA from a Single Alkaline/ NiMH Cell or 3.3V at 200mA from Two Cells VIN Start-Up Voltage: 680mV


    Original     		PDF LTC3526L/LTC3526LB 550mA 100mA 200mA 680mV LTC3526L) LT3526LB) 3526L/LTC3526LB SC-70 LTC3525L-3 MIP3226D3R3M MIP3226D4R7M 16V DC to 12v dc 5 amp converter circuit diagram 3526 NP03SB6R8M NR3012T MIP3226 LTC3526L MIPF2520D4R7 fb 1225

    C1608X5R1A225MT

    Abstract: LT1949-1 LB2016 LLB2520 LTC3459 LTC3459ES6 C2012X5ROJ475K LTAHA DFN application
    Text: LTC3459 10V Micropower Synchronous Boost Converter FEATURES DESCRIPTION n The LTC 3459 is a low current, high efficiency synchronous boost converter intended for low power, size constrained portable applications. The LTC3459 can be powered from a single lithium ion battery, a 2- to 3-cell stack of alkaline


    Original     		PDF LTC3459 LTC3459 LTC3429 600mA, 500kHz, 0A/300A, LT3460 320mA LT3464 C1608X5R1A225MT LT1949-1 LB2016 LLB2520 LTC3459ES6 C2012X5ROJ475K LTAHA DFN application

    start capacitor 3534

    Abstract: LTC3533 LTC3534 LTC3534EDE MBRM120T3 MO-229 MSS7341 RLF7030 LTC3522
    Text: LTC3534 7V, 500mA Synchronous Buck-Boost DC/DC Converter DESCRIPTION FEATURES n n n n n n n n n n Regulated Output with Input Voltages Above, Below or Equal to the Output 2.4V to 7V Input and 1.8V to 7V Output Voltage Range 5V VOUT at 500mA from 4 AA Cells


    Original     		PDF LTC3534 500mA 16-Lead 16-Lead 500mA LTC3533 LTC3538 800mA 3534f start capacitor 3534 LTC3533 LTC3534 LTC3534EDE MBRM120T3 MO-229 MSS7341 RLF7030 LTC3522

    MSS4020-103MXD

    Abstract: LT3525 V3-525 3525 datasheet 3525 ic data sheet LQH32CN100K53 LTC3525 LTC3525-3 Step-up 1.2V to 3.2V 60mA ic 3525
    Text: LTC3525-3/ LTC3525-3.3/LTC3525-5 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect U DESCRIPTIO FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ The LTC 3525-3/LTC3525-3.3/LTC3525-5 are high efficiency synchronous step-up DC/DC converters with


    Original     		PDF LTC3525-3/ LTC3525-3 3/LTC3525-5 400mA 3525-3/LTC3525-3 3/LTC3525-5 LTC3525 LTC3459 LT3464 3525fa MSS4020-103MXD LT3525 V3-525 3525 datasheet 3525 ic data sheet LQH32CN100K53 Step-up 1.2V to 3.2V 60mA ic 3525

    FDV06302R2

    Abstract: ltc3436 LT1961 slope compensation JMK212BJ475MD JMK316BJ226ML LTC3428 LTC3428EDD
    Text: LTC3428 4A, 2MHz Dual Phase Step-Up DC/DC Converter in 3mm x 3mm DFN DESCRIPTION FEATURES n n n n n n n n n n High Efficiency: Up to 92% 2-Phase Control Reduces Output Voltage Ripple 5V at 2A from 3.3V Input 3.3V at 1.5A from 1.8V Input 1.6V to 5.25V Adjustable Output Voltage


    Original     		PDF LTC3428 10-Pin LTC3428 DFN-12 LTC3459 LT3464 3428fb FDV06302R2 ltc3436 LT1961 slope compensation JMK212BJ475MD JMK316BJ226ML LTC3428EDD

    LQM2MPN

    Abstract: LQH3NPN nr3010t LPS4012 lqh3npn2r2 MIP3226D LTC3526LBEDC-2
    Text: LTC3526L-2/LTC3526LB-2 550mA 2MHz Synchronous Step-Up DC/DC Converters in 2mm x 2mm DFN FEATURES DESCRIPTION n The LTC 3526L-2/LTC3526LB-2 are synchronous, fixed frequency step-up DC/DC converters with output disconnect. Synchronous rectification enables high efficiency in


    Original     		PDF LTC3526L-2/LTC3526LB-2 550mA 3526L-2/LTC3526LB-2 680mV 500mV 100mA 200mA 680mV 2A/300A, LTC3529 LQM2MPN LQH3NPN nr3010t LPS4012 lqh3npn2r2 MIP3226D LTC3526LBEDC-2

    LQH43CN

    Abstract: LTC3428 DN483
    Text: LTC3531/ LTC3531-3.3/LTC3531-3 200mA Buck-Boost Synchronous DC/DC Converters U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO Regulated Output with Input Above, Below or Equal to the Output Single Inductor Up to 90% Efficiency


    Original     		PDF LTC3531/ LTC3531-3 3/LTC3531-3 200mA 125mA 3531/LTC3531-3 3531fb LQH43CN LTC3428 DN483

    3528 pwm 20 pin

    Abstract: No abstract text available
    Text: LTC3528/LTC3528B 1A, 1MHz Synchronous Step-Up DC/DC Converters in 3mm x 2mm DFN FEATURES DESCRIPTION • The LTC 3528/LTC3528B are synchronous, fixed frequency step-up DC/DC converters with output disconnect. High efficiency synchronous rectification, in addition to a 700mV


    Original     		PDF LTC3528/LTC3528B 3528/LTC3528B 700mV 500mV LTC3528 LTC3528B LTC3525-3/LTC3525-3 400mA LTC3525-5 LTC3525L-3 3528 pwm 20 pin