MICROCHIP Fixed LDO Voltage Regulator, 2V to 28V, 150mA Out, SOT-23-5 - 1.3V 3.3V
MICROCHIP Fixed LDO Voltage Regulator delivering 150mA output. Features low quiescent current, shutdown function & SOT-23-5 surface mount package.
The MICROCHIP Fixed LDO Voltage Regulator is a high-performance CMOS low dropout linear regulator featuring a convenient shutdown function. Designed to deliver up to 150mA of output current, this regulator consumes a mere 50µA of typical quiescent current, making it highly efficient for power-sensitive applications. When disabled via the shutdown pin, the device draws an ultra-low 0.01µA of current, preserving battery life in portable systems.
Operating across a wide input voltage range of 2V to 28V, this LDO offers excellent output voltage accuracy of ±2% at 25°C, alongside a typical line regulation of ±0.15%. It remains stable with just 0.1µF of input and output capacitance, granting designers the flexibility to use ceramic, tantalum, or aluminium electrolytic capacitors. For robust operation, the device incorporates over-current limiting with current foldback to 40mA, providing reliable short-circuit protection. Furthermore, it boasts a high Power Supply Rejection Ratio (PSRR) of 50dB typical at 1kHz, ensuring clean and stable voltage delivery.
Key Features and Benefits
- Low Quiescent Current: 50µA typical, ideal for battery-operated devices
- Ultra-Low Shutdown Current: 0.01µA typical when the output is disabled
- High Output Accuracy: ±2% output voltage tolerance at 25°C
- Capacitor Flexibility: Stable with ceramic capacitors down to 0.1µF
- Robust Protection: Current limit protection with foldback for short-circuit conditions
- High PSRR: 50dB typical at 1kHz for noise-sensitive applications
- Wide Input Range: Supports input voltages from 2V to 28V
Please note: This is an ESD sensitive device; appropriate precautions must be taken while handling.
Variant Details
- Size: 1.3V 3.3V
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