NJW4140 Series
MOSFET Drive Switching Regulator IC for Boost / Fly-back Converter

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ECAD Model: Learn more
  • Standard
  • For Automotive
  • AEC-Q100
  • Product Longevity Program
  • RoHS
Package1
Package2
Package1
Package2

Description

The NJW4140 is a MOSFET Drive switching regulator IC for Boost / Fly-back Converter that operates wide input range from 3V to 40V. It can provide large current application because of built-in highly effective Nch MOSFET drive circuit. Built-in pulse-by-pulse current detecting type over current protection limits the output current at over load. It is suitable for boost/fly-back application such as Car Accessory, Office Automation Equipment, Industrial Instrument and so on.

Applications

  • Automotive ECU
  • Industrial control equipment

Spec

Standard Automotive
Input Voltage Range 3 V to 40 V (45 V)
Operating Temperature Range -40°C to 85°C -40°C to 125°C
Supply Current Typ. 1400 µA Max. 2000 µA
Standby Current 2.5 µA 12 (max.) µA
Output Voltage Range 3 V to - V
Output Voltage Accuracy ± 1 % ± 2 %
Oscillator Frequency 40kHz to 1MHz
Package DMP8
MSOP8(VSP8)
MSOP8(VSP8)
Control PWM Control
Function Standby Function
Over Current Protection
Note UVLO (Under Voltage Lockout)
AEC-Q100 AEC-Q100 Grade 1

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Protections / Functions

TSD ILX OCP OVP UVLO OVLO Reverse Shutdown Soft Start SSCG PGOOD Auto Discharge Anti-ringing Sequencing Max Duty Ext. Phase LED Adjust

Functional Description

TSD Thermal Shutdown Function
ILX LX Current Limit Function
OCP Overcurrent Protection
OVP Overvoltage Protection
UVLO Undervoltage Lockout Protection
OVLO Overvoltage Lockout Protection
Reverse Reverse Current Protection Circuit
Shutdown Shutdown Function
Soft Start Soft Start Function
SSCG Spread Spectrum Clock Generator Function
PGOOD Power Good Output
Auto Discharge Auto Discharge Function
Anti-ringing Anti-ringing Switch Function
Sequencing Start-up Sequencing Control
Max Duty Maximum Duty Cycle
Ext. Phase Externally Adjustable Phase Compensation
LED Adjust LED High-speed Dimming Control

Functional Description

TSD Thermal Shutdown Function
ILX LX Current Limit Function
OCP Overcurrent Protection
OVP Overvoltage Protection
UVLO Undervoltage Lockout Protection
OVLO Overvoltage Lockout Protection
Reverse Reverse Current Protection Circuit
Shutdown Shutdown Function
Soft Start Soft Start Function
SSCG Spread Spectrum Clock Generator Function
PGOOD Power Good Output
Auto Discharge Auto Discharge Function
Anti-ringing Anti-ringing Switch Function
Sequencing Start-up Sequencing Control
Max Duty Maximum Duty Cycle
Ext. Phase Externally Adjustable Phase Compensation
LED Adjust LED High-speed Dimming Control

Search for similar products under conditions below.

Category:DC/DC Switching Regulators

Topology Boost,Fly-Back
VIN
min (V)
3
VIN
max (V)
40
VOUT
min (V)
3
ISS
(µA)
1400

Technical Documents

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Quality & Packages

  • Refer to the datasheets for the details on the product.
  • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

FAQ

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