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Key Specifications
The UM1540DB series is a set of high input voltage low quiescent current regulator implemented in CMOS technology. They can deliver 300mA output current and allow an input voltage as high as 6V. They are available with several fixed output voltages ranging from 1.2V to 5.0V. CMOS technology ensures low voltage drop and low quiescent current.
The UM1540DB is available in DFN4 1.0×1.0 package.
Features - Input Voltage Range: 1.8V to 6V
- 300mA Guaranteed Output Current
- Low Dropout Voltage:
250mV (Typical) at 200mA
- Low Quiescent Current:
1µA@VIN=5V (Typical)
- Low Noise: 500µVRMS (10Hz to 100kHz)
- Available Fixed Output Voltage from 1.2V to 5.0V with 0.1V Step
-With Shutdown Control - Output Current Limit
- Low Profile DFN4 1.0×1.0 package
Typical Application Circuit
.jpg) Applications
- Communication Equipments
- Audio/Video Equipments
- Portable Games
- Portable AV Equipments
- Battery-Powered Equipments
Pin Configurations
 UM1540DB Ordering Information
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Application Notes
Product Selection Guide
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