NJU7678MLK Просмотр технического описания (PDF) - Japan Radio Corporation

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NJU7678MLK

Internal 60V, 3A MOSFET Step-Up / Flyback Switching Regulator IC

Japan Radio Corporation  

NJU7678

■TYPICAL CHARACTERISTICS

Error Amplifier Block

Voltage Gain, Phase vs. Frequency

60

(V+=3.3V, Gain=40dB, Ta=25 oC) 180

45

Phase

135

Gain

30

90

15

45

0

0

0.1

1

10 100 1000 10000

Frequency f (kHz)

Drain - Source ON Resistance vs. Temperature

(Io=3A)

0.12

0.1

0.08

0.06

V+=2.5V

V+=3.3V

V+=7V

0.04

0.02

0

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Drain - Source Leak Current vs. Temperature

(V =60V, V =1.1V)

1

DS

IN-

0.8

0.6

0.4

0.2

0

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Ver.2010-10-26

-7-

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