3

Rev. 9-22-00

SP6830/6831 Low Power Voltage Inverters With Shutdown

© Copyright 2000 Sipex Corporation

PIN ASSIGNMENTS

Pin 1— V

Pin 2 — V

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.

PINOUT

C1-

C1+

GND

SP6830

SP6831

6

3

2

1

4

SHDN

5

Figure 1. Voltage Inverter Circuit for the SP6830/6831

Comparator

2

V

IN

5 SHDN

4 GND

V

OUT

1

C1-

3

C1+

6

Pump

Switches

Shutdown

4-Phase

Clock

V

OUT

SD

SD

V

OUT

V

IN

C3

C1

C2

R

L

OFF

ON

DEVICE

C1

C2

C3

SP6830

3.3

µF 3.3µF 3.3µF

35kHz

SP6831

1

µF

1

µF

1

µF

120kHz

SP6830

SP6831

V

*V