HTC KOREA 芯片：非同步DC/DC转换器（工关稳压器）推介

.Non-Synchronous DC/DC 

.非同步DC/DC转换器

型号                    输出电压V         最（大）输入电压V        输出电流A       开关频率KHz                 封装

LM2576        ADJ/3.3/5.0/12        40                      3.0                 52                SOP-8PP/TO263/220

LM2576HV   ADJ/3.3/5.0/12         60                      3.0                 52                SOP-8PP/TO263/220

LM2596       ADJ/3.3/5.0/12         40                      3.0                150               SOP-8PP/TO263/220

LM1501A     ADJ/3.3/5.0/12         40                      3.0                150               TO263/220

LM1501B      ADJ/3.3/5.0/12         40                      3.0                150              TO263/220

应用：

电脑、消费类电子、通讯、车载、移动终端等产品

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Linear Technology 

LTC3789 - High Efficiency, Synchronous, 4-Switch Buck-Boost Controller

Features

.Single Inductor Architecture Allows VIN Above, Below or Equal to the Regulated VOUT

.Programmable Input or Output Current

.Wide VIN Range: 4V to 38V

.1% Output Voltage Accuracy: 0.8V < VOUT < 38V

.Synchronous Rectification: Up to 98% Efficiency

.Current Mode Control

.Phase-Lockable Fixed Frequency: 200kHz to 600kHz

.No Reverse Current During Start-Up

.Power Good Output Voltage Monitor

.Internal 5.5V LDO

.Quad N-Channel MOSFET Synchronous Drive

.VOUT Disconnected from VIN During Shutdown

.True Soft-Start and VOUT Short Protection, Even in Boost Mode

.Available in 28-Lead QFN (4mm × 5mm) and 28-Lead SSOP Packages

Designed for Automotive and Transportation Applications

AEC-Q100 data available for specific packages

Typical Application

HTC KOREA 系列产品：CMOS ULDO、VLDO、LDO稳压器推介

.CMOS ULDO (Ultra Low Drop Out) Voltage Regulator（重点推介）

LM1108   SOT-23-3L/SOT-89        300mA CMOS LDO Regu