NR1640 Series
200mA Ultra-low Noise Voltage Regulator
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Provides at-a-glance product features, functions, and concepts.
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Description
The NR1640 is a CMOS-based ultra-low noise, high PSRR voltage regulator featuring 200 mA output current and 5.5 V maximum input voltage. With noise characteristics of 6 μVrms and high ripple rejection of 80 dB or more @100 kHz, high quality power can be supplied, ideal for high precision sensing systems where noise is an issue. The slope of output voltage at startup can be selected from 4 types. These options will meet the demand of suppression of inrush current and start-up slope requirement. In addition, the auto discharge function option will contribute to make the output shutdown fast to discharge output capacitance with internal discharge FET.
Spec
| Industrial | Automotive | |
|---|---|---|
| Input Voltage Range | 2.7 V to 5.5 V (6.5 V) | |
| Operating Temperature Range | -40°C to 125°C (150°C) | |
| Supply Current | Typ. 350 µA | |
| Standby Current | Typ. 0.1 µA | |
| Output Voltage Range | 2.5 V to 4.8 V | |
| Output Voltage Accuracy | ±1.0% (Ta = 25°C) | |
| Dropout Voltage | Typ. 130 mV (IOUT = 200 mA, VSET = 3.3 V) |
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| Ripple Rejection | Typ. 80 dB (f = 1 kHz) Typ. 80 dB (f = 100 kHz) |
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| Package | SOT-23-5-DC | |
| AEC-Q100 | AEC-Q100 grade 1 | |
Protections / Functions
| TSD | Reverse | Current Limit | ISC | Inrush | ECO mode | Auto Discharge | External Driver | PGOOD | Soft Start |
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Functional Description
| TSD | Thermal Shutdown Function |
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| 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 |
Technical Documents
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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
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PSRR Typical Characteristics
VIN = 5V, VSET = 3.3V
Quality & Packages
| Product Name | Compatibility | Package | Marking | Reliability |
|---|---|---|---|---|
| NR1640DCxxxxE1D |
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SOT-23-5-DC | See datasheet | NR1640DCD |
| NR1640DCxxxxE1P |
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SOT-23-5-DC | See datasheet | NR1640DCP |
| NR1640DCxxxxE1Q |
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SOT-23-5-DC | See datasheet | NR1640DCQ |
- 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.
Qualification Test Plan (QTP) Sheets
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FAQ
Buy / Contact
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Purchase, Request for samples and documentsSales are made through distributors. Please contact your local distributors for any sales-related inquiry such as price.
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Available from 1 piece!Our electronic device products are available through our authorized online distributors.
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Technical Support