LM3424 Datasheet, PDF(60/69 Page) National Semiconductor (TI) – Constant Current N-Channel Controller with Thermal Foldback for Driving LEDs

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LM3424 Datasheet, PDF (60/69 Pages) National Semiconductor (TI) – Constant Current N-Channel Controller with Thermal Foldback for Driving LEDs

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LM3424, LM3424-Q1

SNVS603C â AUGUST 2009 â REVISED AUGUST 2015

8.2.9.2 Detailed Design Procedure

QTY

PART ID

LM3424

CBYP

CCMP, CNTC, CSS

CFS

CIN

COUT

CSEP

COV

CREF

L1, L2

Q1, Q2

RBIAS

RCSH

RFS

RGAIN

RHSP, RHSN

RLIM

ROV1

ROV2

RREF1, RREF2

RSLP

RSNS

RUV1

RUV2

RUVH

NTC

Table 8. Bill of Materials

PART VALUE

Boost controller

2.2 ÂµF X7R 10% 16V

0.47 ÂµF X7R 10% 25V

DNP

4.7 ÂµF X7R 10% 100V

10 ÂµF X7R 10% 50V

1.0 ÂµF X7R 10% 100V

47 pF COG/NPO 5% 50V

1 ÂµF X7R 10% 25V

Schottky 60V 5A

68 ÂµH 20% 4.3A

NMOS 60V 8A

NMOS 60V 115 mA

23.7 kâ¦ 1%

12.4 kâ¦ 1%

0â¦ 1%

9.31 kâ¦ 1%

750â¦ 1%

0.04â¦ 1% 1W

15.8 kâ¦ 1%

499 kâ¦ 1%

49.9 kâ¦ 1%

20.0 kâ¦ 1%

0.1â¦ 1% 1W

14.3 kâ¦ 1%

1.62 kâ¦ 1%

10.0 kâ¦ 1%

16.9 kâ¦ 1%

Thermistor 100 kâ¦ 5%

MANUFACTURER

MURATA

TDK

AVX

MURATA

COMCHIP

COILCRAFT

VISHAY

ON-SEMI

VISHAY

TDK

www.ti.com

PART NUMBER

LM3424MH

GRM21BR71C225KA12L

GRM21BR71E474KA01L

C5750X7R2A475K

C4532X7R1H106K

C4532X7R2A105K

08055A470JAT2A

GRM21BR71E105KA01L

CDBC560-G

DO3340P-683

SI4436DY

2N7002ET1G

CRCW080523K7FKEA

CRCW080512K4FKEA

CRCW08050000OZEA

CRCW08059K31FKEA

CRCW0805750RFKEA

WSL2512R0400FEA

CRCW080515K8FKEA

CRCW0805499KFKEA

CRCW080549K9FKEA

CRCW080520K0FKEA

WSL2512R1000FEA

CRCW080514K3FKEA

CRCW08051K62FKEA

CRCW080510K0FKEA

CRCW080516K9FKEA

NTCG204H154J

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Product Folder Links: LM3424 LM3424-Q1

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