ltc3872ets8-trpbf Linear Technology Corporation, ltc3872ets8-trpbf Datasheet - Page 15

• Manufacturer Part Number: ltc3872ets8-trpbf
• Description: No Rsense Current Mode Boost Dc/dc Controller
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
2.2nF
500mA TO 1.5A
AC COUPLED
STEP FROM
100pF
23.2k
11.8k
1%
High Effi ciency 3.3V Input, 12V Output Boost Converter
1A/DIV
5A/DIV
I
V
LOAD
12V
OUT
COUT1: TAIYO YUDEN TMK325BJ226MM
L1: COILTRONICS DR125-2R2
M1: FAIRCHILD FDS6064N3
I
L
107k
1%
I
IPRG
GND
V
TH
FB
0.1μF
LTC3872
RUN/SS
NGATE
4.7M
SW
V
IN
100μs/DIV
M1
L1
2.2μH
PDS1040
C
22μF
OUT1
×2
3872 F09
C
10μF
IN
+
C
120μF
OUT2
3872 F08
V
3.3V
V
12V
1.5A
IN
OUT
LTC3872
15
3872fa