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PDF NJU7601 Data sheet ( Hoja de datos )
| Número de pieza | NJU7601 | |
| Descripción | Switching Regulator IC / DMP8 / TVSP8 | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJU7601 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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NJU7601
Step-Up/Flyback Switching Regulator IC with Power Saving PWM/PFM control
■GENERAL DESCRIPTION
NJU7601 is a high speed low voltage operation switching
regulator control IC with power saving PWM/PFM control.
Automatic PWM/PFM control improves power efficiency at light
load. It features a totem pole driver that can directly drive an
external MOS-FET.
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.
■PACKAGE OUTLINE
NJU7601M
NJU7601RB1
■FEATURES
● Automatic PWM/PFM 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
● Timer Latch for Short Circuit Protection
● C-MOS Technology
● Package Outline
NJU7600M : DMP8
NJU7600RB1 : TVSP8
■PRODUCT VARIATION
NJU760x**
Standby Function
PWM/PFM
NJU7601
PWM/PFM
Light Load to Efficiency
NJU7600
PWM Control
** Planning
■PIN CONFIGURATION
1
2
3
4
NJU7601M
NJU7601RB1
8
7
6
5
PIN FUNCTION
1. V+
2. FB
3. IN-
4. SCP
5. DTC
6. RT
7. GND
8. OUT
Ver.2006-01-04
-1-
1 page  
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■ TYPICALAPPLICATIONS
Step-Up Converter
V+
L
CIN
C
CNF
RNF
NJU7601
1 V+
OUT 8
2 FB
3 IN-
GND 7
RT 6
RT
4 SCP DTC 5
CSCP
RDTC
FET
CS
SBD
COUT
NJU7601
VOUT
R2
R1
Flyback Converter
V+
T
CIN
C
CNF
RNF
NJU7601
1 V+
OUT 8
2 FB
GND 7
3 IN-
RT 6
4 SCP DTC 5
CSCP
RDTC
FET
RT
CS
SBD
COUT
VOUT
R2
R1
Ver.2006-01-04
-5-
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NJU7601.PDF ] | |
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