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Key Specifications
Product Description
The UM153xx/UM154xx series are ultra low quiescent current low dropout linear regulators designed for low power portable applications. The range of output voltage is from 1.3V to 5.0V while operated from 2.2V to 5.5V input. The EN function of UM154xx can disable the entire circuit by inputting low level signal.
The UM153xx/UM154xx series offer high output voltage accuracy, excellent transient response, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM153xx is available in a low profile SOT23-3 or SOT89-3 package. The UM154xx is available in a low profile SOT23-5, SOT89-5 or DFN6L 2.0×2.0 package.
Features
- Maximum Input Voltage: 5.5V
- ±2.0% Voltage Accuracy at 30mA
- Fast Transient Response
- Output Current Limit
- Stable with 1μF Output Capacitor
- Thermal Overload Protection
- Low Profile SOT23-3 or SOT89-3 Package (UM153xx)
Low Profile SOT23-5, SOT89-5 or DFN6L 2.0×2.0 Package (UM154xx) Typical Application Circuit
 Applications
- Battery-Powered Systems
- Reference Voltage Sources
- Portable AV Systems
- Portable Games
- Cellular Phones
- Utility Meters - Toys Pin Configurations
.jpg) UM153xxS Ordering Information
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Application Notes
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