PWM control Step-Down switching regulator IC
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.
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
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
- 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- Please contact us or our distributors for unpublished reliability information.
Sample / Buy
Buy, Request for Samples, Request for Information Materials
Please contact your local distributors for any sales-related inquiry such as price, stock, delivery, etc.
|TSD||Thermal Shutdown Function|
|ILX||LX Current Limit Function|
|UVLO||Undervoltage Lockout Protection|
|OVLO||Overvoltage Lockout Protection|
|Reverse||Reverse Current Protection Circuit|
|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|