LTC3251_15 Datasheet, PDF (7/16 Pages) Linear Technology – 500mA High Efficiency, Low Noise, Inductorless Step-Down DC/DC Converter

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