LTC3261_15 Datasheet, PDF (10/14 Pages) Linear Technology – High Voltage, Low Quiescent Current Inverting Charge Pump

LTC3261
Typical Applications
High Input Divide by 2 Voltage Divider
C2
1µF
50V
9V TO 32V
C1
4.7µF
50V
C⁺
V_IN
C^–
V_OUT
EN _LTC3261
MODE
RT
GND
3261 TA04
V_IN/2
C3
4.7µF
25V
NOTE: MINIMUM LOAD OF
120µA IS REQUIRED TO
ASSURE START-UP
Inverting Charge Pump with Bipolar Doubler
4.5V TO 32V
C1
4.7µF
50V
D1
1N4148
V_IN
C⁺
EN
C^–
LTC3261
D2
1N4148
C2
1µF
50V
C3
1µF
50V
C4
1µF
D4
50V ^1N4148
MODE
D3
1N4148
RT
V_OUT
GND
3261 TA06
NOTE: I_2VIN • 2 + I_–2VIN • 2 + I_OUT < = 100mA
C7
4.7µF
50V
~ 2V_IN
C5
4.7µF
100V
~ –2V_IN
C6
4.7µF
100V
–V_IN
10
For more information www.linear.com/3261
3261fb