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NJW4154 датащи(PDF) 21 Page - New Japan Radio

номер детали NJW4154
подробное описание детали  Switching Regulator IC for Buck Converter
PDF  22 Pages
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производитель  NJRC [New Japan Radio]
домашняя страница  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJW4154 датащи(HTML) 21 Page - New Japan Radio

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NJW4154
- 21 -
Ver.2013-03-29
Application Design Examples
Buck Converter Application Circuit
IC
Input Voltage
: NJW4154GM1-A
: VIN=12V
Output Voltage
: VOUT=5V
Output Current
: IOUT=3A
Oscillation frequency
: fosc=300kHz
SW
PG
GND
IN-
SBD
NJW4154
V+
EN/SYNC
EN/SYNC
High: ON
Low: OFF
(Standby)
Pow er Good
(NJW4154GM1 only)
C
FB
15pF
R2
160kΩ
C
OUT
100µF/6.3V
L
4.7µH/5.6A
V
IN=12V
C
IN1
10µF/50V
R1
30kΩ
R
FB
0Ω
(Short)
V
OUT=5V
C
IN2
0.47µF/50V
Reference
Qty.
Part Number
Description
Manufacturer
IC
1
NJW4154
Internal 3A MOSFET SW.REG. IC
New JRC
L
1
CDRH127NP-4R7N
Inductor 4.7
µH, 5.6A
Sumida
SBD
1
MBRS540T3G
Schottky Diode 40V, 5A
ON
Semiconductor
CIN1
1
UMK325BJ106MM
Ceramic Capacitor 3225 10
µF, 50V, X5R
Taiyo Yuden
CIN2
1
0.47
µF
Ceramic Capacitor 2012 0.47
µF, 50V, B
Std.
COUT
1
GRM32EB30J107ME16L
Ceramic Capacitor 3225 100
µF, 6.3V, B
Murata
CFB
1
15pF
Ceramic Capacitor 1608 15pF, 50V, CH
Std.
RFB
1
0
Ω (Short)
Optional
⎯
R1
1
30k
Ω
Resistor 1608 30k
Ω, ±1%, 0.1W
Std.
R2
1
160k
Ω
Resistor 1608 160k
Ω, ±1%, 0.1W
Std.
Technical Information
NJW4154 Application Manual



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