NJU7677 Просмотр технического описания (PDF) - Japan Radio Corporation

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производитель

NJU7677

1.8V Operate PWM control Step-Up / Flyback switching regulator IC

Japan Radio Corporation  

NJU7677

■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)

Output Block

Output High Level ON Resistance

20

vs. Temperature (Io=-20mA)

15

V+=1.8V

10

V+=3.3V

5

V+=7V

0

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Output Block

Output Low Level ON Resistance

16

vs. Temperature (Io=+20mA)

14

12

V+=1.8V

10

8

V+=3.3V

6

4

2

V+=7V

0

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Ver.2009-09-08

-7-

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