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NJM2379 Series
PWM Switching Regulator Control IC for Slave Type

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Description

The NJM2379 is a high speed switching regulator control IC，and directly drive an external power MOS-FET to use internal totempole output circuit. The NJM2379 operate slave mode which synchronous external oscillation frequency，and the slave mode reduce the total noise. The NJM2379 is suitable for flyback type switching regulation up to 10W and several output power supply for LCD panel.

Spec

Standard
Input Voltage Range 3.6 V to 32 V (36 V)
Operating Temperature Range -40°C to 85°C
Supply Current Typ. 5200 µA
Output Voltage Range 3.6 V to - V
Output Voltage Accuracy ± 2 %
Oscillator Frequency 5 to 350 kHz
Package DMP8
SSOP8
Note Under Voltage Lockouts Circuit

Download Datasheet

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)		 3.6
VIN
max (V)		 32
VOUT
min (V)		 3.6
ISS
(µA)		 5200

Technical Documents

  • Related Links

    • Prime Designer

      Online Design Tool

      Registration to myNISD is required to use some of the functions, such as simulations.

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Quality & Packages

Product Name Compatibility Package Marking Reliability
NJM2379M
  • gradeConsumer
 DMP8 - NJM-1-s-fr
NJM2379V
  • gradeConsumer
 SSOP8 - NJM-1-s-fr
  • 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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    Sales are made through distributors. Please contact your local distributors for any sales-related inquiry such as price.
  • Available from 1 piece!
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  • Technical Support
NJM2379 Series