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NJU7650 Datasheet Preview

NJU7650 Datasheet

Switching Regulator IC / TVSP8

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NJU7650 pdf
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NJU7650
Step-Down switching regulator IC with Constant Current Control
GENERAL DESCRIPTION
NJU7650 is a high speed low voltage operation switching
regulator control IC with constant current control. It features a totem
pole driver that can directly drive an external MOS-FET.
Internal error amplifier and current sense amplifier provide
Constant Voltage/Constant Current control.
It is applicable for LED driver, battery charger and other CCCV
applications.
PACKAGE OUTLINE
NJU7650RB1
FEATURES
PWM switching control
Constant Current Control
Operating Voltage
2.2V to 8V
Wide Oscillator Range 300kHz to 1MHz
Maximum Duty Cycle 100%
Quiescent Current
800µA typ.
Soft-Start Function
Internal : 16ms typ. or adjustable
Dead Time Control
C-MOS Technology
Package Outline
NJU7650RB1 : TVSP8
PRODUCT VARIATION
NJU7650
Constant Current Control
NJU7640
Over Current Protection
NJU7630
PWM Control
PIN CONFIGURATION
1
2
3
4
NJU7650RB1
8
7
6
5
PIN FUNCTION
1. OUT
2. V+
3. FB
4. IN-1
5. IN-2
6. DTC
7. RT
8. GND
Ver.2006-07-11
-1-



JRC
JRC

NJU7650 Datasheet Preview

NJU7650 Datasheet

Switching Regulator IC / TVSP8

No Preview Available !

NJU7650 pdf
NJU7650
www.DataSheet4U.com
BLOCK DIAGRAM
V+
FB
IN-1
1V
Error AMP
1
IN-2
0.2V
1
Current
Sense AMP
Soft Start
UVLO
0.5
RT
A
OSC
0.5V
0.8V
0.2V
PW M
Buffer
OUT
DTC
RT
RT
GND
-2-
Ver.2006-07-11


Part Number NJU7650
Description Switching Regulator IC / TVSP8
Maker JRC
Total Page 9 Pages
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