US203 Datasheet (HIGH-SIDE POWER SWITCHES)

Part: US203
Manufacturer: Unisonic Technologies (official site)
Size: 300.64 KB

US203 Key Features

Input Voltage Varies From 3.5V to 5.5V
Built-in N-MOSFET
Output Can Be Forced Higher Than Input (Off-State)
Typical Low Supply Current
Switch On: 25μA (TYP)
Switch Off: 0.1μA (TYP)
Open-Drain Fault Flag Output To Indicate Fault Conditions
Protection Circuits
Soft-start( Hot plug-in application)
UVLO 1.7V (TYP.)

Related Unisonic Technologies Datasheets

Part Number	Description
US2005	FIXED CURRENT LIMIT POWER DISTRIBUTION SWITCH
US201	HIGH-SIDE POWER SWITCHES
US201A	HIGH-SIDE POWER SWITCHES
US201B	HIGH-SIDE POWER SWITCHES
US201C	HIGH-SIDE POWER SWITCHES

US203 Description

The UTC US203 are low voltage cost-effective high-side power switches with flag function. These devices are particularly suitable for self-powered and bus-powered USB applications. The build-in N-MOSFET’s RDS(ON) which meets the requirements of USB voltage drop is as low as 80mΩ.