5

Mar2-07 Rev O

SP6265 Dual Low-Dropout CMOS Voltage Regulator

© 2007 Sipex Corporation

Pin Description

S

P6265L, M -- DFn package without Bypass

Pin number

Pin name

Description



Regulator Input.

input also supplies the on-chip reference. Bypass with µF to GND.

2

EN

Shutdown  control input, active low.

Tie this pin to or above 2.V to enable the device.

Tie this pin to or below 0.V to turn off the device.



EN2

Shutdown 2 control input, active low.

Tie this pin to or above 2.V to enable the device.

Tie this pin to or below 0.V to turn off the device.



NC

Not Connected

5

GND

Ground. This pin also functions as heatsink.

Solder to a large pad or the circuit-board ground plane to maximize

thermal dissipation.

6

NC

Not Connected

7

Regulator 2 Output. Sources up to 50mA continuous current. Bypass

with a µF (< 0.5Ohm typical ESR) capacitor to GND.

8

Regulator  Output. Sources up to 50mA continuous current. Bypass

with a µF (< 0.5Ohm typical ESR) capacitor to GND.

Functional Block Diagram

en1

error

Amp1

gnD

en2

On/OFF

Control

VR1

each

Circuit

On/OFF

Control

VR2

each

Circuit

Voltage

Reference

error

Amp2

Current

Limit

Current

Limit

R11

R12

R21

R22