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PDF NJM2392 Data sheet ( Hoja de datos )
| Número de pieza | NJM2392 | |
| Descripción | PWM DC/DC Converter IC | |
| Fabricantes | NJR Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2392 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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NJM2392
PWM DC/DC Converter IC
■GENERAL DESCRIPTION
The NJM2392 is a PWM DC/DC converter IC.
www.datasheet4u.com
It features fixed frequency type PWM control for better noise
handling and to avoid intermittent oscillation observed in a
simplified controller.
It is suitable for Step-Up, Step-Down and Inverting applications.
In addition, it contains a pulse-by-pulse current limit circuit
and can be set by an external resistance.
■PACKAGE OUTLINE
NJM2392D
NJM2392M
■FEATURES
● Operating Voltage
3.0V to 40V
● Wide Oscillator Frequency
1kHz to 150kHz
● Internal High Power Transistor 1.5A max.
● Internal Over Current Limit Circuit
● PWM switching control
● Bipolar Technology
● Package Outline
NJM2392D
: DIP8
NJM2392M
: DMP8
■PIN CONFIGURATION
■BLOCK DIAGRAM
1
8
PIN FUNCTION
1. CS
CS
1
2 7 2. ES
3. CT
1.5A
3 6 4. GND
5. IN-
160Ω
4
5 6. V+
ES 2
NJM2392D
7. SI
8. CD
OSC Block
MAX
NJM2392M
ON Duty
9:1
QR
PW M
Logic
S
Ipk Sense
300mV
8 CD
7 SI
CT 3
Vref
1.25V
Error AMP
6 V+
PWM COMP
GND 4
Buffer
5 IN-
Ver.2008-08-29
-1-
1 page  
■ TYPICAL APPLICATIONS
Step-Down Converter (High Current)
www.datasheet4u.com
VIN
RSC
RBE
RBC
78
12
NJM2392
64
35
CIN
CT
F
D1
NJM2392
L1
C1
R2
R1
VOUT
COUT
Step-Up Converter (High Current)
RSC
VIN
RC2
L1
RC1
78
1
2
NJM2392
64
35
CIN
RBE
CT
D1
C1
VOUT
COUT
R2
R1
D1 use to schottky diode.
Ver.2008-08-29
-5-
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NJM2392.PDF ] | |
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