LM5007 - 80V 宽输入电压降压开关稳压器

LM5007是TI德州仪器公司的一款转换器（集成开关）产品，LM5007是80V 宽输入电压降压开关稳压器，本站介绍了LM5007的封装应用图解、特点和优点、功能等，并给出了与LM5007相关的TI元器件型号供参考。

LM5007 - 80V 宽输入电压降压开关稳压器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

Integrated 80-V, 0.7-A N-Channel Buck Switch
Internal HV VCC Regulator
No Control Loop Compensation Required
Ultra-Fast Transient Response
On Time Varies Inversely with Line Voltage
Operating Frequency Nearly Constant with Varying Line Voltage
Adjustable Output Voltage
Highly Efficient Operation
Precision Reference
Low Bias Current
Intelligent Current Limit Protection
Thermal Shutdown
External Shutdown Control
VSSOP-8 and WSON-8 Packages

产品应用

Non-Isolated Buck Regulator
Secondary High Voltage Post Regulator
42-V Automotive Systems

产品说明

The LM5007 Step Down Switching Regulator features all of the functions needed to implement low cost, efficient, Buck bias regulators. This high voltage regulator contains an 80-V, 0.7-A N-Channel Buck Switch. The device is easy to apply and is provided in the VSSOP-8 and the thermally enhanced WSON-8 packages. The regulator is based on a hysteretic control scheme using an on time inversely proportional to VIN. This feature allows the operating frequency to remain relatively constant with load and input voltage variations. The hysteretic control requires no control loop compensation, while providing very fast load transient response. An intelligent current limit is implemented in the LM5007 with forced off time that is inversely proportional to VOUT. This current limiting scheme reduces load current foldback. Additional protection features include: Thermal Shutdown, VCC undervoltage lockout, gate drive undervoltage lockout, and Max Duty Cycle limiter.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM5007	VSSOP (8)	3.00 mm × 3.00 mm
LM5007	WSON (8)	4.00 mm × 4.00 mm

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