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| 型号： | MAX893LESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC SW P-CH HS 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 高端 |
| 输入类型： | 非反相 |
| 输出数： | 1 |
| 导通状态电阻： | 70 毫欧 |
| 电流 - 输出 / 通道： | 1.2A |
| 电流 - 峰值输出： | 1.8A |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
19-1450; Rev 0; 7/99
1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
General Description
The MAX893L 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-
ture.
The MAX893L’s maximum programmed current limit is
1.2A. The typical short-circuit current is 1.5 times the
programmed current; therefore, a 1.2A programmed
limit will result in a 1.8A short-circuit current limit. The
current limit through the switch is programmed with a
resistor from SET to ground. The quiescent supply cur-
rent is a low 13μA. When the switch is off, the supply
current decreases to 0.1μA.
The MAX893L is available in an 8-pin SO package.
________________________Applications
____________________________Features
o +2.7V to +5.5V Input Range
o Programmable Current Limit
0.2A to 1.2A Range
±20% Accuracy
o 1.2A Continuous Load Current
o 1.8A Short-Circuit Current
o Low Quiescent Current
13μA at V IN = 3.3V
0.1μA with Switch Off
o Thermal Shutdown
o FAULT Indicator Output
o 0.07 ? On-Resistance
Ordering Information
USB Ports
USB Hubs
PART
MAX893LESA
TEMP. RANGE
-40°C to +85°C
PIN-PACKAGE
8 SO
PCMCIA Slots
Access Bus Slots
Portable Equipment
Typical Operating Circuit
TOP VIEW
Pin Configuration
INPUT
IN
OUT
OUTPUT
0.1 μ F *
IN
MAX893L
OUT
IN 1
8 FAULT
1 μ F
100k
FAULT
GND
ON
SET
ON/OFF
IN 2
ON 3
MAX893L
7 OUT
6 OUT
* USB SPECIFICATIONS REQUIRE HIGHER CAPACITANCE.
R SET
GND 4
SO
5 SET
________________________________________________________________ Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX893LESA+ | 功能描述:电源开关 IC - USB 1.2A Current-Limited High-Side PCh Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MAX893LESA+T | 功能描述:电源开关 IC - USB 1.2A Current-Limited High-Side PCh Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MAX893LESA-T | 功能描述:电源开关 IC - USB 1.2A Current-Limited High-Side PCh Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MAX893LESA-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX893LESA-TG075 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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