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參數(shù)資料
| 型號(hào)： | MAX893L |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown |
| 中文描述： | 1.2A、限流型、高邊P溝道開關(guān)，帶有熱關(guān)斷 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 115K |
| 代理商： | MAX893L |
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
USB Ports
USB Hubs
PCMCIA Slots
Access Bus Slots
Portable Equipment
____________________________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
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
MAX893L
SO
TOP VIEW
3
4
6
5
Pin Configuration
MAX893L
1
μ
F
*
USB SPECIFICATIONS REQUIRE HIGHER CAPACITANCE.
0.1
μ
F
*
100k
IN
OUTPUT
OUT
INPUT
IN
OUT
FAULT
ON
ON/OFF
R
SET
GND
SET
Typical Operating Circuit
PART
TEMP. RANGE
-40°C to +85°C
PIN-PACKAGE
8 SO
Ordering Information
MAX893LESA
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.
19-1450; Rev 0; 7/99
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX893LESA | 1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown |
| MAX9003 | Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs |
| MAX9000 | Circular Connector; No. of Contacts:5; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:22-34 RoHS Compliant: No |
| MAX9000ESA | Circular Connector; No. of Contacts:6; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:22-5 RoHS Compliant: No |
| MAX9000EUA | Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX893LESA | 功能描述:電源開關(guān) IC - USB 1.2A Current-Limited High-Side PCh Switch RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX893LESA+ | 功能描述:電源開關(guān) IC - USB 1.2A Current-Limited High-Side PCh Switch RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX893LESA+T | 功能描述:電源開關(guān) IC - USB 1.2A Current-Limited High-Side PCh Switch RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX893LESA-T | 功能描述:電源開關(guān) IC - USB 1.2A Current-Limited High-Side PCh Switch RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX893LESA-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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