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NJU7678MLK

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

Japan Radio Corporation  

NJU7678

ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

PARAMETER

Supply Voltage

Drain to Source Voltage

Drain to Source Current

Power Dissipation

Operating Temperature Range

Storage Temperature Range

SYMBOL

V+

VDS

IDS

PD

TOPR

TSTG

MAXIMUM RATINGS

+8

66

3

660 (*2)

1,400 (*3)

-40 ~ +85

-40 ~ +125

UNIT

V

V

A

mW

°C

°C

(*2): Mounted on glass epoxy board based on EIA/JEDEC. (101.5 × 114.5 × 1.6mm: 2 Layers FR-4)

(*3): Mounted on glass epoxy board. (101.5 × 114.5 × 1.6mm: 4 Layers FR-4, copper area 99.5 × 99.5mm)

RECOMMENDED OPERATING CONDITIONS

PARAMETER

Operating Voltage

Drain to Source Voltage

Oscillator Timing Resistor

Oscillation Frequency

SYMBOL

V+

VDS

RT

fOSC

MIN.

2.5

–

30

300

TYP.

MAX.

UNIT

–

7

V

–

60

V

47

120

kΩ

700

1,000

kHz

PACKAGE THERMAL RESISTANCE

PARAMETER

SYMBOL THERMAL RESISTANCE UNIT

Junction-to-

Ambient Temperature

Junction-to-Case

θja

152 (*2)

71 (*3)

°C/W

ψjt

15.1 (*2)

9.7 (*3)

°C/W

(*2): Mounted on glass epoxy board based on EIA/JEDEC. (101.5 × 114.5 × 1.6mm: 2 Layers FR-4)

(*3): Mounted on glass epoxy board. (101.5 × 114.5 × 1.6mm: 4 Layers FR-4, copper area 99.5 × 99.5mm)

Ver.2010-10-26

-3-

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