ST890 Series

1.2 A current limited high side power switch with thermal shutdown

Catalog

1.2 A current limited high side power switch with thermal shutdown

Part	Rds On (Typ)	Voltage - Load [Max]	Voltage - Load [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Ratio - Input:Output [custom]	Switch Type	Current - Output (Max) [Max]	Supplier Device Package	Voltage - Supply (Vcc/Vdd)	Package / Case	Package / Case [y]	Package / Case [x]	Number of Outputs	Output Type	Interface	Output Configuration	Mounting Type	Input Type	Fault Protection
STMicroelectronics ST890BDR	75 mOhm	5.5 V	2.7 V	85 °C	-40 °C	1:1	General Purpose	1.2 A	8-SOIC		8-SOIC	3.9 mm	0.154 in	1	P-Channel	On/Off	High Side	Surface Mount	Non-Inverting	Current Limiting (Adjustable) Over Temperature
STMicroelectronics ST890BD	75 mOhm	5.5 V	2.7 V	85 °C	-40 °C	1:1	General Purpose	1.2 A	8-SOIC		8-SOIC	3.9 mm	0.154 in	1	P-Channel	On/Off	High Side	Surface Mount	Non-Inverting	Current Limiting (Adjustable) Over Temperature

Catalog

1.2 A current limited high side power switch with thermal shutdown

Description

The ST890 device is a low voltage, P-channel MOSFET power switch intended for high-side load switching applications. The switch operates with inputs from 2.7 V to 5.5 V, making it ideal for both 3 V and 5 V systems. The internal current limiting circuitry protects the input supply against overload. The thermal overload protection limits power dissipation and junction temperatures. The maximum current limit is 1.2 A. The current limit through the switch is programmed with a resistor from SET to ground. The devices are available in SO-8 and DFN8L (3 x 3 mm) packages.