SP6830 Datasheet, PDF (3/16 Pages) Sipex Corporation – Low Power Voltage Inverters With Shutdown

PINOUT
VOUT 1
VIN 2
C1- 3
SP6830
SP6831
6 _C1+
5 SHDN
4 GND
PIN ASSIGNMENTS
Pin 1— V_OUT — Inverting charge pump output.
Pin 2 — V — Input to the positive power
IN
supply.
Pin 3 — C1- — Negative terminal to the charge
pump capacitor.
Pin 4 — GND — Ground reference.
Pin 5 — SHDN — Active LOW Shutdown
input.
Pin 6 — C1+ — Positive terminal to the charge
pump capacitor.
V_IN
C3
2 V_IN
4-Phase
Clock
SD
ON
OFF
5 SHDN _Shutdown
SP6830
SP6831
C1+ 6
4 GND
V_OUT
Comparator ^VEE*
SD
Pump
Switches
C1
C1- 3
V_OUT 1
*V_EE = the lower voltage of V_OUT and GND
C2
V_OUT
R_L
DEVICE C1 C2 C3
SP6830 3.3µF 3.3µF 3.3µF
SP6831 1µF 1µF 1µF
fOSC
35kHz
120kHz
Figure 1. Voltage Inverter Circuit for the SP6830/6831
Rev. 9-22-00
SP6830/6831 Low Power Voltage Inverters With Shutdown
3
© Copyright 2000 Sipex Corporation