_______________General Description

The MAX894L/MAX895L smart, dual, low-voltage,

P-channel, MOSFET power switches are intended for

high-side load-switching applications. These switches

operate with inputs from +2.7V to +5.5V, making them

ideal for both 3V and 5V systems. Internal current-

limiting circuitry protects the input supply against

overload. Thermal-overload protection limits power dis-

sipation and junction temperature.

The MAX894L/MAX895L’s maximum current limits are

500mA and 250mA, respectively. The current limit

through the switches is programmed with resistors from

SET A/SET B to ground. When the switches are on, the

quiescent supply current is a low 16

µA. When the

switches are off, the supply current decreases to 0.1

µA.

The MAX894L/MAX895L are available in an 8-pin SO

package.

________________________Applications

PCMCIA Slots

Access Bus Slots

Portable Equipment

____________________________Features

o +2.7V to +5.5V Input Range

o Programmable Current Limits

o Low Supply Current:

16

0.1

µA with Switch Off

o Thermal Shutdown

Dual, Current-Limited, High-Side P-Channel

Switches with Thermal Shutdown

________________________________________________________________

Maxim Integrated Products

1

SET B

SET A

GND

1

2

8

7

IN

OUT B

OUT A

MAX894L

MAX895L

TOP VIEW

3

4

6

5

ONA

ONB

SO

__________________Pin Configuration

MAX894L

MAX895L

IN

INPUT

GND

SET B

OUTPUT B

OUTPUT A

0.1

µF

0.1

µF1µF

ON/OFF

ON/OFF

ONB

OUT B

SET A

OUT A

ONA

__________Typical Operating Circuit

19-1153; Rev 0; 10/96

PART*

MAX894LC/D

MAX894LESA

-40°C to +85°C

0°C to +70°C

TEMP.

RANGE

PIN-

PACKAGE

Dice**

8 SO

______________Ordering Information

*

To order these units in tape and reel, add (-T) to the end of the

part number.

**

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

CURRENT

LIMIT

500mA

500mA

MAX895LESA

-40°C to +85°C

8 SO

250mA

MAX895LC/D

0°C to +70°C

Dice**

250mA