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Low Dropout Linear Regulator
The OT1105t180 is a 150mA CMOS low dropout regulator designed for use in a wide variety of mixed signal device applications. It is designed for use with an external vdd/capacitor pin. (See OT1104 for internal capacitor version.)
Designed for TSMC 0.18µ processes.
Designed for TSMC 0.18µ processes.
Features
- Input voltage range 3.0V – 5.5V.
- Output voltage 1.8V ±5%.
- Output fold back short circuit protection.
- Over-temperature protection.
- Works with straight-through IO pads.
- External 4.7µF decoupling capacitor.
- Power down/enable input.
- Fast response to current steps.
- <1% line and load regulation.
- Can be back powered.
- PSRR 70dB @ 1MHz.
- -40°C to 120°C temperature operation.
- Base cell area 0.03mm2 in 0.18µ CMOS.
Deliverables
- Flat GDS.
- LEF.
- LVS netlist.
- Integration notes.
- Production test notes.
Applications
- LiFe Battery to 1.8V core voltage regulator.
- 3.3V or 5V power to 1.8V core voltage regulator.
Block Diagram of the Low Dropout Linear Regulator IP Core
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