NJU7600 Просмотр технического описания (PDF) - Japan Radio Corporation

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NJU7600

PWM control Step-Up / Flyback switching regulator IC

Japan Radio Corporation  

NJU7600

■TYPICAL CHARACTERISTICS

24

22

20

18

16

14

12

10

8

-50

Soft Start Time vs. Temperature

(V+=3.3V)

-25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Oscillator Frequency vs. Temperature

760

(V+=3.3V, RT=47kΩ)

740

720

700

680

660

640

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Under Voltage Lockout Block

vs. Temperature

2.06

2.02

1.98

VT_ON

1.94

1.9

V

T_OFF

1.86

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

-8-

Reference Voltage vs. Temperature

1.01

(V+=3.3V)

1.005

1

0.995

0.99

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Muximum Duty Cycle vs. Temperature

100

(V+=3.3V)

90

80

MAXDUTY_1

70

60

MAXDUTY_2

50

40

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

1000

Quiescent Current vs. Temperature

(V+=3.3V, RT=47kΩ)

800

600

400

200

0

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Ver.2005-03-01

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