Features
n Wide 5V to 18V Input Voltage Range
n Positive or Negative Output Voltage
Programming with a Single Feedback Pin
n Current Mode Control Provides Excellent
Transient Response
n 1.25V reference adjustable version
n Fixed 400KHz Switching Frequency
n Maximum 2A Switching Current
n SW PIN Built in Over Voltage Protection
n Excellent line and load regulation
n EN PIN TTL shutdown capability
n Internal Optimize Power MOSFET
n High efficiency up to 90%
n Built in Frequency Compensation
n Built in Soft-Start Function
n Built in Thermal Shutdown Function

n Built in Current Limit Function
n Available in SOIC-8 package

粤嘉鸿电子是一家从事的电子元器件销售的一般纳税人企业，有多年的MOS管、电源IC、三极管的供应经验和渠道，是UTC（台湾友顺）的一线授权代理商。我们经营的产品广泛应用于开关电源、LED灯电源、适配器、车载逆变电源、液晶电视电源、DVD和DVB电源板、通信逆变电源、电动工具电源、应急灯电源、手机充电器等诸多领域。 公司理念：“诚信经营，创造价值，高效服务”。 经营方针：只卖优质产品、常备现货、贴近客户、服务。 选择我们的理由：1、产品优质渠道有保证；2、常备现货交货期短；3、有ERP 信息系统管理更规范；4、有香港公司和货仓合作方式灵活；5、团队稳定。 产品分类：　 Amplifier / Comparator： Audio Amplifiers、 Operational Amplifier Voltage Comparator Power Management： Combo IC、DDR Termination Regulators FET Bias Controllers Inverting DC-DC Converter Li-Battery Protection or Charger IC Linear Regulators、PWM Controller Low Dropout Linear Regulators Power Factor Control、White LED Driver Shunt Reference Regulators Step Down Switching Regulators Step-Up DC-DC Converter and Controller Supervisory Circuit、USB Power Switch Voltage Detection and System Reset ICHall ICs Darlington Transistors Dual Chip Transistors： Complex Bipolar Transistors Complex Digital Transistors Analog Switches： Analog Multiplexers, Demultiplexer ICs Video Signal Switch Special Application ICs： A-D or D-A Converters Alarm /Sound Generator IC Automotive IC、Motor Controller IC Christmas Lamp Controller Interface and Driver Circuit Leakage Current Detector Melody IC、Miscellaneous Radio and Cassette Recorder Circuit Remote Controller IC Telecommunication Circuit Television Circuit、Timer Logic MOSFETs： JFET Power Mosfet TRIACs and SCRs Built-In Bias Resistor Transistors