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概述
The LP6470 contains an independent 500KHzconstant frequency, current mode, PWM step-down converters. The converter integrates a main switch anda synchronous rectifier for high efficiency without an external Schottky diode. The LP6470 is ideal for powering portable equipment that runs from a 2cell Lithium-Ion (Li+) battery. The converter can supply 2000mA of load current from a 4.5V to 16V input voltage. The output voltage can be regulated as low as 0.8V.The LP6470 is available in a SOT23-6 package and is rated over the -40°C to 85°C temperature range.
应用
◆ Portable Media Players
◆ Cellular and Smart mobile phone
◆ PDA/DSC
◆ GPS Applications
数据参数
数据参数
输入电压(V)
4.5~16
输出电压(V)
0.8~12
FB电压(V)
0.8
电压精度
±2%
工作频率(Hz)
500K
最大输出电流(A)
2
输出通道数量
1
工作模式
Syn.
EN控制
Y
轻负载模式
PFM/PWM
产品特征/功能
Internal Soft Start,OCP,SCP,OTP
封装
SOT23-6
特征
特征
◆ Input Voltage Range: 4.5V to 16V
◆ Output Voltage Range: 0.8V to 12V
◆ 2000mA Load Current on Channel
◆ Up to 96% Efficiency
◆ <10uAShutdown Current
◆ 500KHz Switching Frequency
◆ Short Circuit Protection
◆ Thermal Fault Protection
◆ SOT23-6 Package
◆ RoHS Compliant and 100% Lead (Pb)-Free
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