NJM2391 Series
Low Dropout Voltage Regulator
NJM2391 Series
Low Dropout Voltage Regulator
Download Datasheet
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Description
The NJM2391 is a low dropout voltage regulators featuring high precision voltage. It is suitable for Notebook PCs，PC cards and hard disks where 3.3V need to be generated from 5V supply. A small TO-252 package is adopted for the space saving.
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Spec
Consumer Input Voltage Range (10 V) Operating Temperature Range -40°C to 85°C Supply Current Typ. 2300 µA Output Voltage Range 2.5V,2.6V,2.85V,3.0V,3.3V,3.5V,5.0V Output Voltage Accuracy Typ. ±1 % Dropout Voltage Typ. ΔVI-O =1.1V at Io=1A Output Current Io(max.)=1 A Ripple Rejection Typ. 62 dB Package TO-252-3-L1 Note Internal Thermal Shutdown Crcuit
Internal Short Circuit Current Limit
Internal Excessive Voltage Protection CircuitProtections / Functions
TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver PGOOD 
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Technical
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Quality &
PackagesProduct Name Compatibility Package Marking Reliability NJM2391DL1 TO-252-3-L1 - 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 |