參數(shù)資料
型號(hào)： MAX890LESA-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Single Peripheral Driver
中文描述： 1.2 A SWITCHING REGULATOR, PDSO8
封裝： 0.150 INCH, SOIC-8
文件頁數(shù)： 1/8頁
文件大?。?/td> 734K
代理商： MAX890LESA-T
General Description
The MAX890L smart, low-voltage, P-channel, MOSFET
power switch is intended for high-side load-switching
applications. This switch operates with inputs from
+2.7V to +5.5V, making it ideal for both +3V and +5V
systems. Internal current-limiting circuitry protects the
input supply against overload. Thermal-overload pro-
tection limits power dissipation and junction tempera-
tures.
The MAX890L’s maximum current limit is 1.2A. The cur-
rent limit through the switch is programmed with a
resistor from SET to ground. The quiescent supply cur-
rent is a low 10μA. When the switch is off, the supply
current decreases to 0.1μA.
The MAX890L is 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 Limit
o
Low Quiescent Current
10μA (typ) at V
IN
= +3.3V
0.1μA (typ) with Switch Off
o
Thermal Shutdown
o
FAULT
Indicator Output
o
0.09
(typ) On-Resistance
M
1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
________________________________________________________________
Maxim Integrated Products
1
1
2
8
7
FAULT
OUT
OUT
SET
IN
IN
ON
GND
MAX890L
SO
TOP VIEW
3
4
6
5
Pin Configuration
MAX890L
1
μ
F
0.1
μ
F
100k
IN
OUTPUT
OUT
INPUT
IN
OUT
FAULT
ON
ON/OFF
R
SET
GND
SET
Typical Operating Circuit
19-1146; Rev 3; 3/00
PART*
MAX890LC/D
MAX890LESA
0°C to +70°C
-40°C to +85°C
TEMP.
RANGE
PIN-
PACKAGE
Dice**
8 SO
Ordering Information
*
To order this unit in tape and reel, add (-T) to the end of the part
number.
**
Dice are tested at T
A
= +25°C.
CURRENT
LIMIT
1.2A
1.2A
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.
相關(guān)PDF資料
PDF描述
MAX891LEUA Single Peripheral Driver
MAX891LEUA-T Single Peripheral Driver
MAX892LEUA Single Peripheral Driver
MAX892LEUA-T Single Peripheral Driver
MAX894LESA-T Analog IC
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