7
LTC3251/
LTC3251-1.2/LTC3251-1.5
32511215fb
SI PLIFIED
W
BLOCK DIAGRA
W
3
2
1 9
4
CHARGE
PUMP 1
SPREAD SPECTRUM
OSCILLATOR
C1
+
C1
–
C2
+
C2
–
7
V
OUT
10
5 11
FB
MODE
CHARGE
PUMP 2
8
6
SWITCH CONTROL
AND SOFT-START
V
IN
MD0 MD1
GND
3251 BD
–
+
BURST DETECT
CIRCUIT
INTERNAL ON
LTC3251-1.2/
LTC3251-1.5
10
LTC3251-1.2/
LTC3251-1.5
ONLY
OVERTEMP
