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PDF NJW4150 Data sheet ( Hoja de datos )
| Número de pieza | NJW4150 | |
| Descripción | Internal 34V MOSFET Switching Regulator IC | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW4150 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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NJW4150
Internal 34V MOSFET Switching Regulator IC for Buck Converter
GENERAL DESCRIPTION
The NJW4150 is a switching regulator IC for buck converter with
34V, 450mA MOSFET. It corresponds to high frequency oscillating,
wide input voltage and Low ESR Output Capacitor (MLCC).
Therefore, the NJW4150 can realize downsizing of applications
with a few external parts.
Also, it has a soft start function, over current protection and
thermal shutdown circuit.
It is suitable for power supply circuit of Car Accessory, Office
Automation Equipment, Industrial Instrument and so on.
■ PACKAGE OUTLINE
NJW4150RB1
FEATURES
Absolute Maximum Rating
42V
Operating Voltage Range
6V to 34V
Switching Current
450mA min.
PWM switching control
Applicable for Ceramic Capacitor (MLCC)
Oscillation Frequency
1MHz typ. (A ver.)
Soft Start Function
4ms typ.
Over Current and Thermal Shutdown Protection
Standby Function
Package Outline
NJW4150RB1 : TVSP8
http://www.DataSheet4U.net/
■PIN CONFIGURATION
1
2
3
4
NJW4150RB1
PIN FUNCTION
8 1. SW
7
2. N.C.
3. V+
6 4. ON/OFF
5. FB
5 6. IN-
7. N.C.
8. GND
Ver.2011-02-25
-1-
datasheet pdf - http://www.DataSheet4U.net/
1 page  
NJW4150
■TYPICAL CHARACTERISTICS
Oscillation Frequency vs. Operating Voltage
1100
(Ta=25oC)
1050
1000
950
900
0
10 20 30
Operating Voltage V+ (V)
40
Switching Current Limit vs. Operating Voltage
750 (Ta=25oC)
700
650
600
550
500
450
0
10 20 30
Operating Voltage V+ (V)
40
Soft Start Time vs. Operating Voltage
8 (VB=0.95V, Ta=25oC)
7
6
5
4
3
2
0 10 20 30 40
Operating Voltahe V+ (V)
Quiescent Current vs. Operating Voltage
4 (RL=No Load, VIN-=0.5V, Ta=25oC)
3
http://www.DataSheet4U.net/
2
1
0
0 10 20 30 40
Operating Voltage V+ (V)
Ver.2011-02-25
Error Amplifier Block
Voltage Gain, Phase vs. Frequency
60 (V+=24V, Gain=40dB, Ta=25 oC) 180
45
Gain
30
Phase
135
90
15 45
00
0.1 1 10 100 1000 10000
Frequency f (kHz)
-5-
datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJW4150.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| NJW4150 | Internal 34V MOSFET Switching Regulator IC | New Japan Radio |
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