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R1122 Series
Low Noise 150mA Voltage Regulator
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.
Specs & Datasheets
| 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 |
|---|---|---|---|---|---|---|---|---|
 |
|
Technical Documents
R1122N301B Dropout Voltage vs. Output Current
Quality & Packages
| Product Name | Compatibility | Package | Marking | Reliability |
|---|---|---|---|---|
| R1122Nxx1x-TR-FE |
|
SOT-23-5 | R1122N | R1122N-FE |
C
Refer to the datasheets for the details on the product.
The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
Please contact us or our distributors for unpublished reliability information.
Sample / Buy
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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.
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 |