TPS72012DRVR Power Path Management IC LDO Voltage Regulators Sgl Output LDO 350mA Fixed Bias Pin
power management integrated circuit
,microchip battery management
TPS72012DRVR Power Path Management IC LDO Voltage Regulators Sgl Output LDO 350mA Fixed Bias Pin
1 Features
- 350-mA High-Performance LDO
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Low Quiescent Current: 38 μA
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Excellent Load Transient Response: ±15mVforILOAD =0mAto350mAin1μs
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Excellent Line Transient Response:
ΔVOUT =±2mVforΔVBIAS =±600mVin1μs ΔVOUT =±200μVforΔVIN =±400mVin1μs -
Low Noise: 48 μVRMS (10 Hz to 100 kHz)
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80dBVINPSRR(10Hzto10kHz)
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70 dB VBIAS PSRR (10 Hz to 10 kHz)
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Fast Start-Up Time: 140 μs
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Built-In Soft-Start With Monotonic VOUT Rise and Start-Up Current Limited to 100 mA + ILOAD
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Overcurrent and Thermal Protection
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Low Dropout: 110 mV at ILOAD = 350 mA
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Stable with 2.2-μF Output Capacitor
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Available in 1.33 mm × 0.96 mm DSBGA-5 and 2 mm × 2 mm SON-6 Packages
2 Applications
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Digital Cameras
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Cellular Camera Phones
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Wireless LAN
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Handheld Products
3 Description
The TPS720 family of dual rail, low-dropout linear regulators (LDOs) offers outstanding ac performance (PSRR, load and line transient response), while consuming a very low quiescent current of 38 μA.
The TPS720 supports a novel feature in which the output of the LDO regulates under light loads when the IN pin is left floating. The light-load drive current is sourced from VBIAS under this condition. This feature is particularly useful in power-saving applications where the DC-DC converter connected to the IN pin is disabled but the LDO is still required to regulate the voltage to a light load.
The TPS720 is stable with ceramic capacitors and uses an advanced BICMOS fabrication process that yields a dropout of 110 mV at a 350-mA output load. The TPS720 has the unique feature of providing a monotonic VOUT rise (overshoot limited to 3%) with VIN inrush current limited to 100 mA + ILOAD with an output capacitor of 2.2 μF.
The TPS720 uses a precision voltage reference and feedback loop to achieve overall accuracy of 2% over load, line, process, and temperature extremes. An ultra-small DSBGA package makes the TPS720 ideal for handheld applications. The TPS720 is also available in a SON-8 package. This family of devices is fully specified over the temperature range of TJ = –40°C to 125°C.
Device Information
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
TPS720 | DSBGA (5) | 1.36 mm × 0.96 mm |
SON (6) | 2.00 mm × 2.00 mm |
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