NJM2857 Series
Low Dropout Voltage Regulator
NJM2857 Series
Low Dropout Voltage Regulator
Download Datasheet
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Description
The NJM2857 is a low dropout voltage regulator.This product has Reverse Current Protection without external SBD Advanced Bipolar technology achieves low noise, high ripple rejection and high supply voltage.1.5A output current capacity, 4.7µF small decoupling capacitor,built-in noise bypass capacitor make the NJM2857 suitable for various applications.
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Spec
Consumer Input Voltage Range 2.6 V to 8 V (10 V) Operating Temperature Range -40°C to 125°C Supply Current Typ. 500 µA Standby Current 0.1 (max.) µA Output Voltage Range 1.5V,2.5V,3.0V,3.3V,5.0V Output Voltage Accuracy Typ. ±1 % Dropout Voltage Typ. 0.20V(Io=1A) Output Current Io(max.)=1.5A Ripple Rejection Typ. 80 dB Output Noise Voltage 55µVrms typ.(Vo = 3V Version) Package TO-252-5-L3 Ceramic Capacitor Output capacitor with ceramic capacitor Note Internal Thermal Overload Protection
Internal Over Current Protection
Internal Reverse Current Protection
ON/OFF ControlProtections / Functions
TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver 
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Technical
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Quality &
PackagesProduct Name Compatibility Package Marking Reliability NJM2857DL3 TO-252-5-L3 - 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.
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Sample / Buy
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Buy Online
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Buy, Request for Samples, Request for Information Materials
Authorized Distributors
Please contact your local distributors for any sales-related inquiry such as price, stock, delivery, etc.
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Download Datasheet
Functional Description
| TSD | Thermal Shutdown Function |
|---|---|
| Reverse Current Protection | Reverse Current Protection |
| Current Limit | Overcurrent Protection |
| ISC | Short Current Protection |
| Inrush Current Limit | Inrush Current Protection |
| Constant Slope | Constant Slope Function |
| ECO mode | ECO Function |
| Auto Discharge | Auto Discharge Function |
| External Driver | External Output Driver Transistor |