Datasheet > NJM2367

NJM2367

更新时间： 2022-12-13 03:50:13

品牌	Logo	应用领域
NJRC		转换器控制器高功率电源
页数	文件大小	规格书
7页	119K
描述
5.5A HIGH POWER DC/DC CONVERTER CONTROLLER IC

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NJM2367 数据手册

NJM2367

■TYPICAL APPLICATIONS

Step-Down Converter

*SBD

Vout

Vin

Cin

NJM2367

SBD

Cout

1) 5V and higher converter, the application must be connected R1 resistor according to above figure.

2) High current converter, the application must be placed Cin capacitor next to NJM2367, which avoid the

power-line fluctuation.

3) The sharp fluctuation of output load cause reverse voltage for inductance and over the supply-voltage for

SW_OUTterminal. To avoid this problem, the application must be placed SBD between terminal 2 and 4.

■TIMING CHART

■

Oscillator

Compensation

■

Switch output

OFF

Current sense

■

OFF

Thermal shutdown

■

OFF

1) The NJM2367 generate square waves. The PWM comparator generate PWM signals to compare square

waves and compensation voltage.

2) The switching duty is maximum 95%.

3) Over the 6.5A current, the output switch will be OFF to operate current limit protection. The NJM2367

sense the switching current of power transistor.

4) Over the 180°C (Tj), the switching will be OFF to operate thermal shutdown circuit.

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