R1122 Series
Low Noise 150mA Voltage Regulator
R1122 Series
Low Noise 150mA Voltage Regulator
Download Datasheet
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Description
The R1122 Series are CMOS-based LDO regulators featuring 150mA output. High ripple rejection and excellent load transient response of the series make the product ideally suited for use in power source for hand-held communication equipment. The polarity of the CE pin can be selected.
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Spec
Consumer Input Voltage Range 2.0 V to 6.0 V (7.0 V) Operating Temperature Range -40°C to 85°C (125°C) Supply Current Typ. 100 µA Standby Current Typ. 0.1 µA Output Voltage Range 1.5 V to 5.0 V (0.1 V step) Output Voltage Accuracy ±2.0% (Ta = 25°C) Output Voltage Temperature Coefficient Typ. ±100 ppm/°C Dropout Voltage Typ. 0.19 V (IOUT = 100 mA, 3.0 V output) Line Regulation Typ. 0.05%/V Output Current 150 mA Ripple Rejection Typ. 80 dB (f = 1kHz) Package SOT-23-5 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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R1122N301B Dropout Voltage vs. Output Current
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Quality &
Packages- 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 |