NJU7781 Series
Low Dropout Voltage Regulator
NJU7781 Series
Low Dropout Voltage Regulator
Download Datasheet
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Description
The NJU7781 is a low dropout voltage regulator with ON/OFF Control. Advanced CMOS technology achieves low quiescent current.It is suitable for cellular phone and other portable items. The NJU7781 features shunt switch which improves turn off response of output voltage when ON/OFF control is used.
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Spec
Consumer Input Voltage Range 2.3 V to 9 V (10 V) Operating Temperature Range -40°C to 85°C Supply Current Typ. 20 µA Standby Current 1 (max.) µA Output Voltage Range 1.5V,1.8V,2.1V,2.5V,2.8V,2.9V,3.0V,3.3V,4.0V,5.0V Output Voltage Accuracy Typ. ±1 % Dropout Voltage Typ. 0.15V (Io=150mA，Vo=3.0V) Output Current Io(max)=300 mA Ripple Rejection Typ. 65 dB Package SOT-89-5-1 Ceramic Capacitor Output capacitor with 1.0µF ceramic capacitor Note Internal Thermal Overload Protection
Internal Short Circuit Current Limit
Shunt Switch
ON/OFF Control (Active High)Protections / 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 NJU7781U1 SOT-89-5-1 - NJU-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 |