凌力尔特大电流电源解决方案_凌力尔特冲击电流-优快云博客

本文链接：https://blog.youkuaiyun.com/forch/article/details/7052395

本文详细介绍了LTC3443、LTC3444、LTC3531等高性能同步Buck-Boost DC/DC转换器的特点，包括输入电压范围、输出电压范围、电流效率等关键参数，并特别强调了它们在无线通信RF放大器偏置、WCDMA应用中的优化设计。

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LTC3443 1.2A IOUT, 600kHz, Synchronous Buck-Boost DC/DC Converter VIN: 2.4V to 5.5V, VOUT: 2.4V to 5.25V, IQ = 28μA, ISD < 1μA,
MS Package

LTC3444 500mA IOUT, 1.5MHz Synchronous Buck-Boost DC/DC Converter VIN: 2.7V to 5.5V, VOUT: 0.5V to 5.25V, Optimized for WCDMA RF
Amplifi er Bias

LTC3531/LTC3531-3/LTC3531-3.3 200mA IOUT, Synchronous Buck-Boost DC/DC Converter VIN: 1.8V to 5.5V, VOUT: 2V to 5V, IQ = 35μA, ISD < 1μA,
MS, DFN Packages

LTC3532 500mA IOUT, 2MHz, Synchronous Buck-Boost DC/DC Converter VIN: 2.4V to 5.5V, VOUT: 2.4V to 5.25V, IQ = 35μA, ISD < 1μA,
MS, DFN Packages

LTC3533 2A Wide Input Voltage Synchronous Buck-Boost DC/DC Converter VIN: 1.8V to 5.5V, VOUT: 1.8V to 5.25V, IQ = 40μA, ISD < 1μA,
DFN Package

LTC3780 High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller VIN: 4V to 36V, VOUT: 0.8V to 30V, IQ = 1.5mA, ISD < 55μA,
SSOP-24, QFN-32 Packages

LTC3785 10V, High Effi ciency, Synchronous, No RSENSE, Buck-Boost
Controller
VIN: 2.7V to 10V, VOUT: 2.7V to 10V, IQ = 86mA, ISD < 15μA,
QFN-24 Package

LTM4605 5A to 12A Buck-Boost μModule 4.5V ≤ VIN ≤ 20V, 0.8V ≤ VOUT ≤ 16V, 15mm × 15mm × 2.8mm
LGA Package

LTM4607 5A to 12A Buck-Boost μModule 4.5V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 24V, 15mm × 15mm × 2.8mm
LGA Package

以下经过产品验证：

LTC3785 9V/2A => 3.3V/3A