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NJW4162A 데이터시트 PDF




New Japan Radio에서 제조한 전자 부품 NJW4162A은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 NJW4162A 기능
기능 2channel MOSFET Drive Switching Regulator IC
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NJW4162A 데이터시트, 핀배열, 회로
NJW4162A
2channel MOSFET Drive Switching Regulator IC for Buck Converter
GENERAL DESCRIPTION
The NJW4162A is a 2 channel MOSFET Drive switching
regulator IC for buck converter that operates wide input voltage
range from 4.3V to 40V. The oscillating frequency range can set
within 100kHz to 1MHz by external resistor. It also has an external
synchronous function.
It has individual Standby functions, Soft Start functions and
Power Good functions for each channel, therefore a start-up
control and/or operating condition monitoring are available with a
microcomputer.
The NJW4162A is suitable for a logic voltage generating circuit
from high input voltage such as Automotive. Office Automation
and Industrial applications.
PACKAGE OUTLINE
NJW4162AVC3
FEATURES
Pch MOSFET Driving
Driving Voltage V+-10V(typ.)
Maximum Rating Input Voltage 45V
Wide Operating Voltage Range 4.3V to 40V
PWM Control
Maximum Duty Cycle 100%
Wide Oscillating Frequency Range 100kHz to 1MHz
External Synchronization Function 1,500kHz (max.)
Anti-Phase switching
Adjustable Soft Start Function
UVLO (Under Voltage Lockout)
Over Current Protection (Hiccup type)
Thermal Shutdown Protection
Standby Function
Power Good Function
Package Outline
NJW4162AVC3 : SSOP20-C3
Ver.2015-08-31
-1-




NJW4162A pdf, 반도체, 판매, 대치품
NJW4162A
BLOCK DIAGRAM
V+ HSREG
EN1
EN2
RT
SYNC
500kW
500kW
500kW
IN-1
SS1
FB1
PG1
IN-2
SS2
FB2
PG2
TSD
Enable
Control 1
Enable
Control 2
UVLO
Logic
3V
Regulator
10V
Regulator
V+
VIPK1
Anti Phase
OCP1
Pulse by
Pulse Hiccup
V+
SYNC
VREF
VB=0.8V
Soft Start1
OSC
ER AMP1
Logic
PWM1
Driver1
V+
VIPK2
Power Good
Control Logic2
Soft Start2
ER AMP2
OCP2
Pulse by
Pulse Hiccup
Logic
PWM2
Driver2
V+
Power Good
Control Logic2
GND
SI1
OUT1
SI2
OUT2
-4-
Ver.2015-08-31

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NJW4162A 전자부품, 판매, 대치품
NJW4162A
ELECTRICAL CHARACTERISTICS
(Unless otherwise noted, V+=VEN=12V, RT=10k , Common to CH1 and CH2, Ta=25 C)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Power Good Block
High Level Detection Voltage
Low Level Detection Voltage
Hysteresis Region
Power Good ON Resistance
Leak Current at OFF State
VTHH_PG
VTHL_PG
VHYS_PG
RON_PG
ILEAK_PG
IPG=10mA
VPG=6V
External Synchronization Block
High Threshold Voltage
Low Threshold Voltage
Pull-down Resistance
VTHH_SYNC
VTHL_SYNC
RPD_SYNC
General Characteristics
Quiescent Current
Standby Current
IDD
IDD_STB
RL=no load, VIN-=0.75V, VFB=0.7V
VEN1,2=0V
107 110 115
85 90 93
–2–
– 100 –
– – 0.1
%
%
%
A
1.6 – 5.5 V
0 – 0.5 V
– 500 – k
– 4 6 mA
– – 10 A
THERMAL CHARACTERISTICS
PARAMETER
SYMBOL VALUE
UNIT
Junction-to-ambient
thermal resistance
ja
125 (*4)
83 (*5)
C/W
Junction-to-Top of package
characterization parameter
jt
13 (*4)
9 (*5)
C/W
(*4): Mounted on glass epoxy board. (76.2×114.3×1.6mm:based on EIA/JDEC standard, 2Layers)
(*5): Mounted on glass epoxy board. (76.2×114.3×1.6mm:based on EIA/JDEC standard, 4Layers),
internal Cu area: 74.2×74.2mm
POWER DISSIPATION vs. AMBIENT TEMPERATURE
1800
NJW4162AVC3
Power Dissipation vs. Ambient Temperature
(Tj=~150°C)
1600 At on 4 layer PC Board
1400
1200
1000
800
600 At on 2 layer PC Board
400
200
0
-50 -25
0
25 50 75 100 125 150
Ambient Temperature Ta (°C)
Ver.2015-08-31
-7-

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관련 데이터시트

부품번호상세설명 및 기능제조사
NJW4162A

2channel MOSFET Drive Switching Regulator IC

New Japan Radio
New Japan Radio

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