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參數(shù)資料
| 型號： | MAX891LEUA |
| 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： | SWITCHING REGULATOR, PDSO8 |
| 封裝： | 1.11 MM HEIGHT, ULTRA SMALL, UMAX-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 734K |
| 代理商： | MAX891LEUA |
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX891LEUA+ | 功能描述:電源開關(guān) IC - 配電 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX891LEUA+T | 功能描述:電源開關(guān) IC - 配電 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX891LEUA-T | 功能描述:電源開關(guān) IC - 配電 Current-Limited High-Side PCh Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX8922ETB+T | 功能描述:電池管理 Integrated Circuits (ICs) 電池管理 - IC BATTERY CHARGER SGL 10TDFN RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX8922LETB+T | 功能描述:電池管理 Current-Limited High-Side PCh Switch RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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