MAX891L：Current-Limited, High-Side P-Channel Switches with Thermal Shutdown
Low-Resistance P-Channel Switches with Adjustable, Accurate Current Limit Protects Systems and USB
The MAX891L/MAX892L smart, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications. These switches operate with inputs from 2.7V to 5.5V, making them 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 MAX891L/MAX892L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switch is programmed with a resistor from SET to ground. When the switch is on, the quiescent supply current is a low 13µA. When the switch is off, the quiescent current decreases to 0.1µA. The MAX891L/MAX892L are available in 8-pin µMAX® packages.
Key Features
| MAX891L, MAX892L: Typical Operating Circuit Applications/Uses
|
DataSheet
| title | Download file |
|---|---|
| MAX891L-MAX892L Data Sheet | MAX891L-MAX892L.pdf |
Parametrics
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | typ | min | max | See Notes | ||||||||
| MAX891L | 1 | 500 | 500 | Yes | 15 | Resistor | 0.1 | 0.12 | 2.7 | 5.5 | -40 to +85 | µMAX/8 | $1.47 @1k |
| MAX892L | 250 | 250 | 0.05 | 0.25 | µMAX/8 | ||||||||
Quality and Environmental Data
Related Products
- MAX869L：2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown
- MAX894L：Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown
- MAX890L：1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown
Ordering Information
| Part Number | Status | Recommended Replacement | Package | Temp | RoHS |
|---|---|---|---|---|---|
| MAX891LC/D | No Longer Available | DICE SALES,;NA pin;DICE; | 0°C to +70°C | See data sheet | |
| MAX891LEUA | No Longer Available | MAX891LEUA+ | µMAX,;8 pin;15.6 mm² | -40°C to +85°C | No |
| MAX891LEUA+ | Active | µMAX,;8 pin;15.6 mm² | -40°C to +85°C | Lead Free | |
| MAX891LEUA+T | Active | µMAX,;8 pin;15.6 mm² | -40°C to +85°C | Lead Free | |
| MAX891LEUA-T | No Longer Available | MAX891LEUA+T | µMAX,;8 pin;15.6 mm² | -40°C to +85°C | No |
- MAX891L-MAX892L.pdf MAX892L
- MAX891L.pdf MAX891L
- MAX891L-MAX892L.pdf MAX892L
