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AP7387 Series: Low Drop-out Voltage Regulators with High PSRR designed for Power Tools and Household Appliances

Low Drop-out Voltage Regulators with High PSRR
Low Drop-out Voltage Regulators with High PSRR

Diodes Incorporated has expanded its portfolio of power management products with the new AP7387 series of low drop-out (LDO) voltage regulators that features an input voltage range spanning from 5V to 60V, which gives them the flexibility to be connected to 5V, 9V, 12V, 24V, and 48V rails and can be used in applications such as cordless vacuum cleaners, smoke detectors, power tools, and various other household appliances. With a quiescent current of just 2µA, which is significantly below that of competing devices, these LDOs present a minimal draw on the battery resources. Also, these devices meet 4kV human body model (HBM) electrostatic discharge (ESD) requirements.

 

This series has a high-power supply rejection ratio (PSRR) of 70dB at 1kHz, plus a fast line/load transient response which helps mitigate sudden input voltage and load current changes. These devices are rated at 150mA output current and are available in 3.0V, 3.3V, 3.6V, and 5V fixed output voltage versions with ±2% output tolerance. Moreover, current limit, short-circuit, and thermal shutdown protection mechanisms have all been incorporated to improve device and system robustness.

 

Features

  • Wide Input Voltage Range: 5V to 60V

  • Maximum Output Current: 150mA

  • Low Quiescent Current: 2μA (Typ.)

  • High Output Voltage Accuracy: ±2%

  • High PSRR: 70dB@1kHz

  • Excellent Line/Load Regulation

  • Thermal Shutdown Function\

  • Short Current Protection Function

  • Output Current Limit

  • Totally Lead-Free & Fully RoHS Compliant

  • Halogen and Antimony Free. “Green” Device

 

Applications

  • Battery-powered equipment

  • Smoke detectors and sensors

  • EV and HEV battery management systems

  • Microcontroller applications

  • Home appliances

 

Availability and Pricing

The AP7387 series is supplied in SOT23, SOT25, SOT89, and U-DFN2020-6 packages, and is now available at $0.26 in 1000-piece quantities.

 

Component Datasheet

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