Datasheet

V
IN
(V)
EFFICIENCY (%)
100
95
90
85
80
10 15 20 25 30
SS
TGAIN
OVP
LM3424
nDIM
V
IN
GND
TSENSE
TREF
DDRV
VS
DAP
GATE
EN
COMP
VIN
CSH
RT/SYNC
IS
HSN
SLOPE
VCC
HSP
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
I
LED
PWM
TEMP
LM3424
SNVS603B –AUGUST 2009–REVISED OCTOBER 2009 www.ti.com
Typical Boost Application Circuit
Figure 1. Boost Evaluation Board
9 Series LEDs at 1A
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