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Número de pieza | NJW4158 | |
Descripción | Switching Regulator IC | |
Fabricantes | New Japan Radio | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de NJW4158 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
No Preview Available ! NJW4158
Switching Regulator IC for Buck Converter
Current Mode Control w/ 40V/8A MOSFET
GENERAL DESCRIPTION
The NJW4158 is a current mode controlled buck converter with
40V/8A MOSFET that operates wide input range from 6V to 35V.
The NJW4158 can realize a buck converter with minimal external
components that it includes compensation circuit.
The NJW4158 is able to stable startup by soft start function.
Also, it has over current protection and thermal shutdown circuit.
It is suitable for supplying power to an Office Automation
Equipment, Industrial Instrument, Amusement, Wireless Base
Station Applications and so on.
FEATURES
Current Mode Control
Wide Input Range:
Switching Current
PWM Control
Built-in Compensation Circuit
Oscillating Frequency:
Soft Start Function
UVLO (Under Voltage Lockout)
Over Current Protection
Thermal Shutdown Function
Package Outline
6V to 40V
10.5A min.
150kHz typ.
10ms typ.
TO-220F-4pin
http://www.DataSheet4U.net/
■ PACKAGE OUTLINE
1234
NJW4158F
NJW4158FL
PIN CONFIGURATION
1. V+
2. SW
3. GND
4. IN-
BLOCK DIAGRAM
V+
TSD
SLOPE
COMP.
CURRENT
SENSE
OCP
UVLO
Low Frequency
Control
OSC
IN-
Soft Start
Vref
0.8V
ER⋅AMP
SQ
R
Buf f er
PWM
Source
Drain
SW
GND
Ver.2012-08-06
-1-
datasheet pdf - http://www.DataSheet4U.net/
1 page NJW4158
TYPICAL CHARACTERISTICS
Oscillation Frequency vs. Supply Voltage
(VIN-=0.7V, Ta=25°C)
165
160
155
150
145
140
135
0
10 20 30
Supply Voltage V+ (V)
40
Quiescent Current vs. Supply Voltage
(RL=no load, VIN-=0.7V, Ta=25°C)
10
9
8
7
6
5
4
3
2
1
0
0 10 20 30 40
Supply Voltage V+ (V)
Reference Voltage vs. Supply Voltage
(Ta=25°C)
0.81
0.805
0.8
0.795
0.79
0
10 20 30
Supply Voltage V+ (V)
40
http://www.DataSheet4U.net/
Ver.2012-08-06
-5-
datasheet pdf - http://www.DataSheet4U.net/
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet NJW4158.PDF ] |
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