LM4510 - 具有完全关断隔离的同步降压 DC/DC 转换器

LM4510是TI德州仪器公司的一款转换器（集成开关）产品，LM4510是具有完全关断隔离的同步降压 DC/DC 转换器，本站介绍了LM4510的封装应用图解、特点和优点、功能等，并给出了与LM4510相关的TI元器件型号供参考。

LM4510 - 具有完全关断隔离的同步降压 DC/DC 转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

18 V@ 80 mA from 3.2 V Input
5 V @ 280 mA from 3.2 V Input
No External Schottky Diode Required
85% Peak Efficiency
Soft Start
True Shutdown Isolation
Stable with Small Ceramic or Tantalum Output Capacitors
Output Short-Circuit Protection
Feedback Fault Protection
Input Undervoltage Lock Out
Thermal Shutdown
0.002-µA Shutdown Current
Wide Input Voltage Range: 2.7 V to 5.5 V
1-MHz Fixed Frequency Operation
Low-profile 10-pin WSON Package (3 mm x 3 mm x 0.8 mm)

产品应用

Organic LED Panel Power Supply
Charging Holster
White LED Backlight
USB Power Supply
Class D Audio Amplifier
Camera Flash LED Driver

产品说明

The LM4510 is a current mode step-up DC/DC converter with a 1.2-A internal NMOS switch designed to deliver up to 120 mA at 16 V from a Li-Ion battery.

The device's synchronous switching operation (no external Schottky diode) at heavy-load, and non-synchronous switching operation at light-load, maximizes power efficiency.

True shutdown function by synchronous FET and related circuitry ensures input and output isolation.

A programmable soft-start circuit allows the user to limit the amount of inrush current during start-up. The output voltage can be adjusted by external resistors.

The LM4510 features advanced short-circuit protection to maximize safety during output to ground short condition. During shutdown the feedback resistors and the load are disconnected from the input to prevent leakage current paths to ground.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM4510	WSON (10)	3.00 mm x 3.00 mm

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