NJW4170U2-B datasheet(11/24 Pages) NJRC

Part #	NJW4170U2-B

Description	Current Mode Control High Speed Frequency Internal 1A MOSFET Switching Regulator IC for Buck Converter

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Manufacturer	NJRC [New Japan Radio]

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

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11 / 24 page

NJW4170

- 11 -

Ver.2016-01-25

TYPICAL CHARACTERISTICS (B version)

1.8

1.9

2

2.1

2.2

2.3

2.4

0

10

20

30

40

Supply Voltage :V+ (V)

Oscillating Frequency vs. Supply Voltage

(B ver., VIN-=0.7V, Ta=25ºC)

1.8

1.9

2

2.1

2.2

2.3

2.4

-50

-25

0

25

50

75

100 125 150

Temperature : (ºC)

Oscillating Frequency vs Temperature

(B ver., V+=12V, VIN-=0.7V)

40

50

60

70

80

90

100

110

120

-50

-25

0

25

50

75

100 125 150

Temperature : (ºC)

Minimum ON Time1 vs. Temperature

(B ver., V+=12V)

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NJW4170U2-B Datasheet(PDF) 11 Page - New Japan Radio

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