M62213FP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M62213FP

GENERAL PURPOSE HIGH SPEED PWM CONTROL IC

MITSUBISHI ELECTRIC  

MITSUBISHI SEMICONDUCTOR < STANDARD LINEAR IC >

M62213P/FP

GENERAL PURPOSE HIGH SPEED PWM CONTROL IC

(4) CLM TERMINAL

This terminal is for pulse-by-pulse current limiting.

Current limiting circuit is almost the same as that of M51995.

The voltage detected by the current detecting resistor can be directly input as shown in Fig.7-1, if the

detected voltage is about the threshold voltage(200mV(typ.)), but if the voltage is larger than the

threshold, the voltage has to be input divided by resistors as shown in Fig.7-2.

CLM OUT

RNF

CNF

RCS

CLM OUT

RNF1

CNF

RNF2 RCS

Fig.7-1 peripheral circuit of CLM

Fig. 7-2 peripheral circuit of CLM when the

detected voltage is high.

1000pF to 22000pF is recommended for CNF. Be sure to use 100Ω or less for RNF and

RNF1// RNF2 (*)so that the detection sensitivity is not influenced by the current flown out from CLM

terminal.

Non-inductive resistor is recommended for current detecting resistor.

* RNF1//RNF2 = (RNF1 * RNF2)/(RNF1 + RNF2)

(7/9)

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