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Low-Dropout Voltage Regulators

Features
- Guaranteed 80mA output
- Low quiescent current
- Low dropout voltage
- Tight load and line regulation
- Low temperature coefficient
- Current and thermal limiting
- Reversed input polarity protection
- Zero off-mode current
- Logic-controlled shutdown
- Stability with low-ESR ceramic capacitors

Electrical Characteristics
(VIN = VOUT + 1V; IL = 1mA; CL = 0.47uF; VEN ≥ 2.0V; TJ = 25°C,):
Output Voltage Accuracy: -3.0% min. ; 3.0% max.
Line Regulation (VIN = VOUT + 1V to 16V): 0.008% typ.
Load Regulation (IL = 0.1mA to 80mA): 0.08% typ.
Dropout Voltage (IL = 20mA): 200mV typ.
Quiescent Current (VEN ≤ 0.4V (shutdown)): 0.01uA typ.
Current Limit (VOUT = 0V): 180mA typ.

Enable Output
Enable Input Voltage Level
- Logic Low (off): 0.6uA max.
- Logic High (on): 2.0uA min.
Enable Input Current
- VIL ≤ 0.6V: 0.01uA typ.
- VIH ≤ 2.0V: 15uA typ.

Applications:
- Cellular telephones
- Laptop, notebook, and palmtop computers
- Battery-powered equipment
- Bar code scanners
- SMPS post-regulator/dc-to-dc modules
- High-efficiency linear power supplies

Manufactured by: Micrel
Part Number: MIC5203-5.0BM4