NJU7678
Internal 60V, 3A MOSFET Step-Up / Flyback Switching Regulator IC
GENERAL DESCRIPTION
NJU7678 is Step-up/Fly ba...
NJU7678
Internal 60V, 3A MOSFET Step-Up / Flyback Switching
Regulator IC
GENERAL DESCRIPTION
NJU7678 is Step-up/Fly back type switching
regulator IC with PWM control. Internal soft-start function, dead time control and timer latch function are included, requiring no external components.
All parameters can be optimized by additional external components for design flexibility.
FEATURES
Drain to Source Voltage
60V max.
Drain to Source Current
3A max.
PWM switching control
Operating Voltage Range
2.5V to 7.0V
Oscillating Frequency Range
300kHz to 1MHz
Maximum Duty Cycle
90% typ.
Soft-Start Function
Internal fixed value: 4ms typ.
or adjustable by external part
Dead Time Control
Timer Latch for Short Circuit Protection
Package Outline
NJU7678MLK: EQFN24
■ PACKAGE OUTLINE
Bottom View
NJU7678MLK
■PIN CONFIGURATION
18 17 16 15 14 13
19 12 20 11 21 10 22 9 23 8 24 7
13 14 15 16 17 18
12
11
10 PAD (*1)
9
8
7
19 20 21 22 23 24
1 2 3 45
6
654 321
(Top View)
NJU76...
