R1190 Series
16V Input 1A Voltage Regulator
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Description
The R1190 Series are CMOS-based 16V input voltage regulators featuring 1A output. These are suitable for digital home appliances, in which only bipolar types could previously operate. So R1190 contributes to save energy. R1190 has an inrush current limit circuit that limits approximately 300mA when the voltage regulator turns on. It is also possible to set the inrush current limit time by connecting a capacitor with DELAY pin. The R1190 is offered in 5-pin TO-252-5-P2 and 6-pin HSOP-6J packages with high thermal dissipation. It is also offered in a small-sized 5-pin SOT-89-5 package for consumer applications.
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Spec
Consumer Automotive Input Voltage Range 3.5 V to 16.0 V (18.0 V) Operating Temperature Range -40°C to 85°C (125°C) Supply Current Typ. 150 µA Standby Current Typ. 0.1 µA Output Voltage Range 2.0 V to 12.0 V (0.1 V step) Output Voltage Accuracy ±1.5% (Ta = 25°C) Output Voltage Temperature Coefficient Typ. ±100 ppm/°C Dropout Voltage Typ. 1.1 V (IOUT = 1 A, VOUT = 5 V) Line Regulation Typ. 0.02%/V Output Current Min. 1 A (3.3 V ≤ VOUT ≤ 12.0 V) Ripple Rejection Typ. 60 dB Package SOT-89-5, HSOP-6J, TO-252-5-P2 HSOP-6J, TO-252-5-P2 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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SPICE model download
You can download the product's SPICE model. Login/registration to myNISD is required to download.
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Typical Application
C1, C2 = 4.7 µF
*) DELAY pin is OPEN when CD pin is not used. -
R1190x050x 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, 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 |