Low-Resistance P-Channel Switches with Adjustable, Accurate Current Limit Protects Systems and USB
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 protection limits power dissipation and junction temperatures. The MAX890L's maximum current limit is 1.2A. The current limit through the switch is programmed with a resistor from SET to ground. The quiescent supply current 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.
title | Download file |
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MAX890-MAX890L Data Sheet | MAX890-MAX890L.pdf |
Part Number | Power Switches | Current Limit (mA) | Current Limit (mA) | Fault Indicator | Current Limit Accuracy (%) | Current Limit Set By | Lowest Adj. Setting (A) | RON (Ω) | VSUPPLY (V) | VSUPPLY (V) | Oper. Temp. (°C) | Package/Pins | Budgetary Price |
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min | max | typ | min | max | See Notes | ||||||||
MAX890L | 1 | 1200 | 1200 | Yes | 15 | Resistor | 0.32 | 0.075 | 2.7 | 5.5 | -40 to +85 | SOIC(N)/8 | $1.27 @1k |
Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
---|---|---|---|---|---|
MAX890LC/D | No Longer Available | DICE SALES,;NA pin;DICE; | 0°C to +70°C | See data sheet | |
MAX890LESA | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | No | |
MAX890LESA+ | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
MAX890LESA+T | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
MAX890LESA-T | No Longer Available | MAX890LESA+T | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | No |
MAX890LESA/V+ | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | Lead Free | |
MAX890LESA/V+T | Active | SOIC(N),;8 pin;30.9 mm² | -40°C to +85°C | Lead Free |