TPS40210-Q1, TPS40211-Q1
SLVS861D –AUGUST 2008–REVISED APRIL 2010
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DESIGN EXAMPLE 2
12-V Input, 700-mA LED Driver, Up to 35-V LED String
Application Schematic
L1
V
IN
D1
B2100
R2
GDRV
ISNS
C3
C4
C21
C1
C2
R1
R11
V
IN
R3
D2
U1
TPS40211
C8
1
2
3
4
5
RC
VIN 10
C10
C9
C11
SS
BP
9
8
7
6
Loop
Response
Injection
DIS/EN
DIS/EN GDRV
GDRV
LEDC
ISNS
C6
COMP
FB
ISNS
GND
R4
C6
R23
R13
R24
C13
LEDC
R6
D3
R15
C14
PWM Dimming
UDG-08015
Figure 36. 12-V Input, 700-mA LED Driver, Up to 35-V LED String
34
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