MAX8815AETB+T

1A, 97% Efficiency, 30μA Quiescent Current  Step-Up Converter with True Shutdown

开关稳压器 Step-Up DC/DC Converter

Features MAX8815AETB+T

♦ Up to 97% Efficiency with Internal Synchronous Rectifier

♦ Low 30μA Quiescent Current

♦ Guaranteed 500mA Output Current at VOUT = 5V from 1.8V Input

♦ Guaranteed 1A Output Current at 5V from 2.5V Input

♦ Low-Noise Constant Frequency Operation (FPWM Mode)

♦ 2MHz PWM Switching Frequency

♦ Preset (5V) or Adjustable Output

♦ Controlled Current in Soft-Start Limits Inrush Current

♦ True Shutdown

♦ Internal Compensation

♦ Overload/Short-Circuit Protection

♦ 0.1μA Shutdown Current

♦ Thermal Shutdown

♦ Compact 10-Pin, 3mm x 3mm TDFN Package

General Description

The MAX8815AETB+T MAX8815A DC-DC step-up converter is a high-efficiency, low quiescent current, synchronous step-up converter with True Shutdown™ and inrush-current limiting. The MAX8815A generates any output voltage from 3.3V to 5V from a 2-cell NiMH/NiCd or a single-cell Li+/Li polymer battery.

Applications MAX8815AETB+T

DSC and DVC

Microprocessor/DSP Core Power

Cell Phones, PDAs, MP3 Players

Portable Handheld Devices

PCMCIA Cards

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