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TPS7A85 データシート - Texas Instruments

部品番号コンポーネント説明メーカー
TPS7A85 High-Current (4 A), High-Accuracy (1%), Low-Noise (4.4 µVRMS), LDO Voltage Regulator Texas-Instruments
Texas Instruments Texas-Instruments
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TPS7A85 データシート PDF : TPS7A85 pdf   
TPS7A85 image

Description
The TPS7A85 is a low-noise (4.4 µVRMS), low-dropout linear regulator (LDO) capable of sourcing 4 A with only 240 mV of maximum dropout. The device output voltage is pin-programmable from 0.8 V to 3.95 V and adjustable from 0.8 V to 5.0 V using an external resistor divider.

Features
• Low Dropout: 150 mV (typ) at 4 A
• 1% (max) Accuracy Over Line, Load, and Temperature
• Output Voltage Noise:
– 4.4 µVRMS at 0.8-V Output
– 8.4 µVRMS at 5.0-V Output
• Input Voltage Range:
– Without BIAS: 1.4 V to 6.5 V
– With BIAS: 1.1 V to 6.5 V
• ANY-OUT™ Operation:
– Output Voltage Range: 0.8 V to 3.95 V
• Adjustable Operation:
– Output Voltage Range: 0.8 V to 5.0 V
• Power-Supply Ripple Rejection:
– 40 dB at 500 kHz
• Excellent Load Transient Response
• Adjustable Soft-Start In-Rush Control
• Open-Drain Power-Good (PG) Output
• Stable with a 47-µF or Larger Ceramic Output Capacitor
• Operating Temperature Range: –40ºC to +125°C
• 3.5-mm × 3.5-mm, 20-Pin VQFN

Applications
• Digital Loads: SerDes, FPGAs, and DSPs
• Instrumentation, Medical, and Audio
• High-Speed Analog Circuits:
– VCO, ADC, DAC, and LVDS
• Imaging: CMOS Sensors and Video ASICs
• Test and Measurement

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