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PDF NJU7620 Data sheet ( Hoja de datos )
| Número de pieza | NJU7620 | |
| Descripción | Switching Regulator IC / TVSP8 | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJU7620 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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NJU7620
Step-Up/Flyback Switching Regulator IC with Constant Current Control
■GENERAL DESCRIPTION
NJU7620 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 and other CCCV applications for up
to 10W range.
■PACKAGE OUTLINE
NJU7620RB1
■FEATURES
● PWM switching control
● Constant Current Control
● Operating Voltage
2.2V to 8V
● Wide Oscillator Range 300kHz to 1MHz
● Maximum Duty Cycle 90% typ.
● Quiescent Current
800µA typ.
● Soft-Start Function
Internal : 16ms typ. or adjustable
● Dead Time Control
● C-MOS Technology
● Package Outline
NJU7620RB1 : TVSP8
■PRODUCT VARIATION
NJU7620
Constant Current Control
NJU7610
Over Current Protection
NJU7600
PWM Control
■PIN CONFIGURATION
1
2
3
4
NJU7620RB1
8
7
6
5
PIN FUNCTION
1. V+
2. FB
3. IN-1
4. IN-2
5. DTC
6. RT
7. GND
8. OUT
Ver.2006-05-09
-1-
1 page  
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■ TYPICALAPPLICATIONS
Step-Up Converter
V+
C
CCNF
RCNF
CNF
RNF
L SBD
CIN
NJU7620
1 V+
OUT 8
2 FB
3 IN-1
GND 7
RT 6
RT
4 IN-2 DTC 5
RDTC
FET
CS
RCIN
COUT
Flyback Converter
V+
C
CCNF
RCNF
CNF
RNF
T
CIN
NJU7620
1 V+
OUT 8
2 FB
GND 7
3 IN-1
RT 6
4 IN-2 DTC 5
RDTC
RCIN
FET
RT
CS
SBD
COUT
NJU7620
VOUT
R2
GNDOUT
R1 RSC
VOUT
R2
GNDOUT
R1 RSC
Ver.2006-05-09
-5-
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NJU7620.PDF ] | |
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