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MAX895LD

产品描述Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown
文件大小356KB,共8页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX895LD概述

Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown

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19-1153; Rev 1; 2/07
Dual, Current-Limited, High-Side P-Channel
Switches with Thermal Shutdown
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 16µA. When the
switches are off, the supply current decreases to 0.1µA.
The MAX894L/MAX895L are available in an 8-pin SO
package.
____________________________Features
+2.7V to +5.5V Input Range
Programmable Current Limits
Low Supply Current:
16µA I
Q
at V
IN
= 3.3V
0.1µA with Switch Off
Thermal Shutdown
MAX894L/MAX895L
Ordering Information
PART*
MAX894LC/D
TEMP.
RANGE
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
PIN-
PACKAGE
Dice**
8 SO
Dice**
8 SO
CURRENT
LIMIT
500mA
500mA
250mA
250mA
________________________Applications
PCMCIA Slots
Access Bus Slots
Portable Equipment
MAX894LESA
MAX895LC/D
MAX895LESA
*To
order these units in tape and reel, add (-T) to the end of the
part number.
**Dice
are tested at T
A
= +25°C.
Typical Operating Circuit
Pin Configuration
TOP VIEW
OUTPUT A
0.1µF
OUT A
1
OUT B
2
SET A
3
ONA
4
R
SET A
R
SET B
ONB
IN
SET B
GND
OUT A
ONB
ON/OFF
OUTPUT B
0.1µF
OUT B
IN
INPUT
1µF
8
MAX894L
MAX895L
SET A
SET B
MAX894L
MAX895L
7
6
5
SO
ON/OFF
ONA
GND
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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