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500mA uCap Ultra-Low Dropout, High PSRR LDO Regulator
Overview
- VIN Min (V) V (volt):2.5
- VIN Max V (volt):5.5
- VOUT V (volt):1.3, 1.8, 1.85, 2.5, 2.6, 2.7, 2.8, 2.85, 2.9, 3.0, 3.3
- IOUT #1 Max mA (milliampere):500
- Rated IOUT Max mA (milliampere):500
- Quiescent Current µA (microampere):90
- Voltage Drop Typ (mV):200
- Accuracy (+/-) %:2
- Adjustable VOUT:Yes
- Reverse Battery:No
- Bypass Pin:Yes
- Current Limit:Yes
- Shutdown EN:Yes
- Power Good Signal:No
- Thermal Shutdown:Yes
- Ultra-low dropout voltage 200mV @ 500mA
- Input voltage range: 2.5 to 5.5V
- Stable with ceramic output capacitor
- Low output noise 30µVrms
- Low quiescent current of 90µA total
- High PSRR, up to 70dB @1kHz
- Fast turn-on-time 40µs typical
- ±1.0% initial accuracy
- ±2.0% over temperature
- Thermal shutdown protection
- Current-limit protection
- Logic-controlled Enable
- Thin SOT-23-5 package, 500mA peak
The MIC5319 is a high-performance, 500mA LDO regulator, offering extremely high PSRR and very low noise while consuming low ground current.
Ideal for battery-operated applications, the MIC5319 features 1% accuracy, extremely low-dropout voltage (200mV @ 500mA), and low ground current at light load (typically 90µA). Equipped with a logic-compatible enable pin, the MIC5319 can be put into a zero-off-mode current state, drawing no current when disabled.
The MIC5319 is a µCap design operating with very small ceramic output capacitors for stability, thereby reducing required board space and component cost.
The MIC5319 is available in fixed-output voltages and adjustable output voltages in thin SOT-23-5 package.
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