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NJU7630 Datasheet(PDF) 1 Page - New Japan Radio

Part # NJU7630
Description  PWM control Step-Down switching regulator IC
Download  9 Pages
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJU7630 Datasheet(HTML) 1 Page - New Japan Radio

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NJU7630
- 1 -
Ver.2012-08-03
PWM control Step-Down switching regulator IC
■ GENERAL DESCRIPTION
■ PACKAGE OUTLINE
■ FEATURES
■ PRODUCT VARIATION
● PWM switching control
● Operating Voltage
2.2V to 8V
● Wide Oscillator Range
300kHz to 1MHz
● Maximum Duty Cycle
100%
● Quiescent Current
800
µA typ.
● Soft-Start Function
Internal : 16ms typ. or adjustable
● Dead Time Control
● Timer Latch for Short Circuit Protection
● C-MOS Technology
● Package Outline
NJU7630M
: DMP8
NJU7630RB1 : MSOP8 (TVSP8)*
*MEET JEDEC MO-187-DA / THIN TYPE
■ PIN CONFIGURATION
The NJU7630 is a low voltage operation high-speed switching
regulator control IC for step-down converter, with PWM control.
It incorporates a totem pole output, which can drive an external
MOS-FET easily. The NJU7630 also has a soft-start function,
dead time control and timer latch for short circuit protection and
their times are all adjustable with external parts. It is available in
8-lead DMP and MSOP (TVSP) packages. It is suitable for
battery powered applications.
PIN FUNCTION
1. OUT
2. V+
3. FB
4. IN-
5. SCP
6. DTC
7. RT
8. GND
NJU7630M
NJU7630RB1
1
8
2
7
3
6
4
5
Standby Function
NJU7632
NJU7631
NJU7630
NJU7640
Over Current Protection
PWM Control
PWM/PFM
Light Load to
Efficiency
Constant Current Control
NJU7650
NJU7630RB1
(MSOP8 (TVSP8))
NJU7630M
(DMP8)


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