Datasheet

LT3957A
23
3957afa
TYPICAL APPLICATIONS
4.5V to 16V Input, 24V Output Boost Converter
Efficiency vs Output Current
SENSE2
SENSE1
LT3957A
L1
10µH
V
IN
SW
GND
FBX
RT SS
INTV
CC
EN/UVLO
SYNC
SGND
R4
95.3k
V
C
3957A TA02a
D1
R3
200k
R
T
41.2k
300kHz
C
VCC
4.7µF
10V
X5R
C
SS
0.33µF
R
C
6.8k
C
C
22nF
R2
226k
R1
15.8k
C
OUT
10µF
50V
X5R
w2
V
OUT
24V
600mA
V
IN
4.5V TO 16V
C
IN
10µF
25V
X5R
C
IN
: MURATA GRM31ER61H106KA12
C
OUT
: TAIYO YUDEN UMK325BJ106MM
D1: VISHAY SILICONIX 10BQ040
L1: VISHAY SILICONIX IHLP-5050CE-1
OUTPUT CURRENT (mA)
0
70
EFFICIENCY (%)
75
80
85
90
95
100
100 200 300
400 500
3957A TA02b
600
V
IN
= 12V