AIC2304中文资料1A Synchronous PWM Step-Down DC/DC Converter数据手册AIC规格书

描述 Description

The AIC2304 is a low-noise, pulse-widthmodulated (PWM), DC-DC step-down converter.

The device is available in an adjustable version and fixed output voltages of 1.0V, 1.2V, 1.8V, and 3.3V. The device features an internal synchronous rectifier for high efficiency; it requires no external Schottky diode. Shutdown mode places the device in standby, reducing supply current to under 1uA. Other features of the AIC2304 include high efficiency, low dropout voltage, short circuit protection, over temperature protection, and over voltage protection. It is available in a small SOT23-5 and DFN-6 (2x2) package.

特性 Features

• 2.5V to 5.5V Input Voltage Range
• 1.0A Guaranteed Output Current
• Up to 95% Efficiency
• Low RDS(ON) Internal Switche: 280mOhm
• No Schottky Diode Required
• 100% Duty Cycle in Low Dropout Operation
• Operating Frequency: 1.5MHz
• Accurate Reference 0.6V Provides Low Output Voltages

应用 Application

• LCD TV
• Multi-function Peripheral
• Cellular Phones
• CPU I/O Supplies
• Cordless Phones
• PDAs and Handy-Terminals
• Battery-Operated Devices (1 Li-Ion or 3 NiMH/ NiCd)