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| LM3429_14 Datasheet, PDF (2/50 Pages) Texas Instruments – LM3429Q1 N-Channel Controller for Constant Current LED Drivers | |||
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LM3429
SNVS616F â APRIL 2009 â REVISED JANUARY 2010
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Typical Boost Application Circuit
VIN
1 VIN
LM3429
14
HSN
2
COMP
13
HSP
3
CSH
4
RCT
12
IS
11
VCC
ILED
5
AGND
10
GATE
6
OVP
PWM
7
nDIM
DAP
9
PGND
8
NC
100
95
90
85
80
10
15
20
25
30
VIN (V)
Figure 1. Boost Evaluation Board
9 Series LEDs at 1A
14-Lead TSSOP EP
VIN 1
COMP 2
CSH 3
RCT 4
AGND 5
OVP 6
nDIM 7
DAP
15
14 HSN
13 HSP
12 IS
11 VCC
10 GATE
9 PGND
8 NC
Pin
Name
1
VIN
Description
Input Voltage
Pin Descriptions
Application Information
Bypass with 100 nF capacitor to AGND as close to the device as
possible in the circuit board layout.
2
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Product Folder Links: LM3429
Copyright © 2009â2010, Texas Instruments Incorporated
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