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| 型号： | MAX890LESA/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC SW MOSFET PUR PCH HSIDE 8SOIC |
| 标准包装： | 2,500 |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 130 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 1.2A |
| 输入电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
19-1146; Rev 4; 4/11
1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
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
Features
? +2.7V to +5.5V Input Range
? Programmable Current Limit
? Low Quiescent Current
10 μ A (typ) at V IN = +3.3V
0.1 μ A (typ) with Switch Off
? Thermal Shutdown
? FAULT Indicator Output
? 0.09Ω (typ) On-Resistance
Ordering Information
PCMCIA Slots
Access Bus Slots
Portable Equipment
PART
MAX890LC/D
TEMP RANGE
0°C to +70°C
PIN-
PACKAGE
Dice**
CURRENT
LIMIT
1.2A
MAX890LESA+
MAX890LESA/V+
-40°C to +85°C 8 SO
-40°C to +85°C 8 SO
1.2A
1.2A
*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.
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Typical Operating Circuit
TOP VIEW
Pin Configuration
INPUT
IN
OUT
OUTPUT
IN
MAX890L
OUT
0.1 μ F
IN 1
+
8 FAULT
1 μ F
100k Ω
FAULT
GND
ON
SET
ON/OFF
IN 2
ON 3
GND 4
MAX890L
7 OUT
6 OUT
5 SET
R SET
SO
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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