NJU7630_12 datasheet(7/9 Pages) NJRC

Part #	NJU7630

Description	PWM control Step-Down switching regulator IC

PDF	9 Pages

Scroll/Zoom	100%

Manufacturer	NJRC [New Japan Radio]

Direct Link	http://www.jrc.co.jp/eng/index.html

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7 / 9 page

NJU7630

- 7 -

Ver.2012-08-03

■ TYPICAL CHARACTERISTICS

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

135

180

0.1

100

1000 10000

Error Amplifier Block

Voltage Gain, Phase vs. Frequency

Frequency f (kHz)

Phase

Gain

-50

-25

100 125

Ambient Temperature Ta (

oC)

Output Block

Output High Level ON Resistance

vs. Temperature (Io=-20mA)

V+=3.3V

V+=1.95V

V+=8V

-50

-25

100 125

Ambient Temperature Ta (

oC)

Output Block

Output Low Level ON Resistance

vs. Temperature (Io=+20mA)

V+=3.3V

V+=1.95V

V+=8V

100

1000

-50

-25

100 125

Ambient Temperature Ta (

oC)

Error Amplifier Block

Output Source Current vs. Temperature

=1V, V

IN-

=0.9V)

V+=3.3V

V+=1.95V

V+=8V

0.05

0.1

0.15

0.2

-50

-25

100 125

Ambient Temperature Ta (

oC)

Error Amplifier Block

Output Sink Current vs. Temperature

FB=1V, VIN-=1.1V)

V+=1.95V, 3.3V, 8V

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