NJW4141 Series
2-phase Boost Converter Switching Regulator IC
Description
The NJW4141 is a 2-phase boost converter switching regulator IC that operates wide input range from 3V to 40V. It can optimize applications by external phase compensation and voltage mode control. The digital phase shifter adds 180 degree phase shift signal to the PWM signal and controls boost circuit by 2-phase operation. The 2-phase operation reduces an input ripple current and realizes large output current applications. It has a pulse-by-pulse over current protection circuit that limits an output current at over load. When recovering from abnormal load condition, switching operation restarts automatically. The NJW4141 suitable for large output current application such as a boost power supply of audio amplifier and a boost application from battery unit.
Spec
| Automotive | |
|---|---|
| Input Voltage Range | 3 V to 40 V (45 V) |
| Operating Temperature Range | -40°C to 125°C |
| Supply Current | Max. 4700 µA |
| Standby Current | 8 (max.) µA |
| Output Voltage Range | 3 V to - V |
| Output Voltage Accuracy | ± 2 % |
| Oscillator Frequency | 50kHz to 500kHz |
| Package | SSOP20-C3 |
| Control | PWM Control |
| Function | Standby Function Adjustable Soft Start Function Dead Time Control Over Current Protection |
| Note | If you need datasheets of this product, please contact us. |
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 |
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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 |
Technical Documents
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Related Links
Quality & Packages
| Product Name | Compatibility | Package | Marking | Reliability |
|---|---|---|---|---|
| NJW4141VC3-T1 |
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SSOP20-C3 | - | NJW-2a-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
Buy / Contact
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Purchase, Request for samples and documentsSales are made through distributors. Please contact your local distributors for any sales-related inquiry such as price.
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Available from 1 piece!Our electronic device products are available through our authorized online distributors.
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Technical Support