Datasheet

LTC3786
27
3786fa
applicaTions inForMaTion
Figure 12. High Efficiency 10V Boost Converter
OUTPUT CURRENT (A)
321
94
EFFICIENCY (%)
96
98
4 5 6
3786 F12b
92
90
88
86
100
V
IN
= 12V
V
IN
= 9V
V
IN
= 6V
SENSE
+
SENSE
–
TG
C
B
0.1µF
C
ITHA
100pF
LTC3786
C
SS
0.1µF
C
ITH
10nF
C
IN
22µF
MBOT
MTOP
D
C
INT
4.7µF
3786 F12a
V
OUT
*
10V
5A
V
IN
4.5V TO 24V START-UP
VOLTAGE OPERATES THROUGH
TRANSIENTS DOWN TO 2.5V
L
3.2µH
BOOST
SW
VBIAS
BG
GND
PLLIN/MODE
PGOOD
INTV
CC
VFB
ITH
SS
R
A
12.1k
100k
100k
R
ITH
4.64k
60.4k
f
SW
= 400kHz
R
B
88.7k
FREQ
RUN
C
OUTA
22µF
×3
R
SENSE
5mΩ
C
OUTB
150µF
+
C
IN
, C
OUTA
: TDK C4532X5R1E226M
C
OUTB
: SANYO 35HVH150M
L: SUMIDA CDEP106-3R2-88
MBOT, MTOP: RENESAS HAT2170
D: INFINEON BAS140W
*WHEN V
IN
> 10V, V
OUT
FOLLOWS V
IN
.