NJU7630 Series
PWM control Step-Down switching regulator IC

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  • Description

    The NJU7630 is a low voltage operation high-speed switching regulator control IC for step-down converter, with PWM control.It incorporates a totem pole output, which can drive an external MOS-FET easily. The NJU7630 also has a soft-start function,dead time control and timer latch for short circuit protection and their times are all adjustable with external parts. It is available in 8-lead DMP and MSOP (TVSP) packages. It is suitable for battery powered applications.

  • Spec
    Consumer
    Input Voltage Range 2.2 V to 8 V (9 V)
    Operating Temperature Range -40°C to 85°C
    Supply Current Typ. 800 µA
    Output Voltage Range 1 V to 7.5 V
    Output Voltage Accuracy ± 1 %
    Oscillator Frequency 300kHz to 1MHz
    Maximum Duty Cycle 100%
    Package DMP8
    MSOP8(TVSP8)
    Control PWM switching control
    Function Soft-Start Function (Internal:16ms typ. or adjustable)
    Timer Latch for Short Circuit Protection
    Dead Time Control

    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
  • Technical
    Documents
  • Quality &
    Packages
    • Refer to the datasheets for the details on the product.
    • The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
    • Please contact us or our distributors for unpublished reliability information.

Download Datasheet

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 Buck
VIN
min (V)
2.2
VIN
max (V)
8
VOUT
min (V)
1
VOUT
max (V)
7.5
ISS
(µA)
800