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Home » NEWEST Products » New by Manufacturer » Texas Instruments » TI LP5907 Ultra-Low Noise LDO Regulator
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TI LP5907 Ultra-Low Noise Low-Dropout Regulator

TI LP5907 Ultra-Low Noise Low-Dropout Regulator

Texas Instruments LP5907 Ultra-Low Noise Low-Dropout Regulator is a linear regulator capable of supplying 250mA output current. Designed to meet the requirements of RF and analog circuits, LP5907 provides low noise, high PSRR, low quiescent current, and low line or load transient response figures. Using new innovative design techniques, TI LP5907 offers class-leading noise performance without a noise bypass capacitor and the ability for remote output capacitor placement. This LDO is designed to work with a 1µF input and a 1-µF output ceramic capacitor (no bypass capacitor is required). This device is available between 1.2 V and 4.5 V in 25mV steps.

Features
  • Stable with 1-µF Ceramic Input and Output Capacitors
  • No Noise Bypass Capacitor Required
  • Remote Output Capacitor Placement
  • Thermal-overload and Short-circuit Protection
  • –40°C to +125°C Junction Temperature Range for Operation

Key Specifications
  • Input Voltage Range: 2.2 V to 5.5 V
  • Output Voltage Range: 1.2 V to 4.5 V
  • Output Current: 250mA
  • Low Output Voltage Noise: <10 μVRMS
  • PSRR: 82 dB at 1 kHz
  • Output Voltage Tolerance: ±2%
  • Virtually Zero IQ (Disabled): <1μA
  • Very Low IQ (Enabled): 12μA
  • Startup Time: 80μs
  • Low Dropout: 120mV Typical
Applications
  • Cellular Phones
  • PDA Handsets
  • Wireless LAN Devices
Block Diagram
Block Diagram
Typical Application Circuit
Typical Application Circuit
  • Texas Instruments
  • Semiconductors|Integrated Circuits|IC-Power Management