R3121 Series
36V Input Voltage Detector with Release Delay Function
R3121 Series
36V Input Voltage Detector with Release Delay Function
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Description
R3121 is the 36 V Maximum Input Voltage Detector (Maximum Rating: 50 V). Selectable options of VDD Pin Detection Type (R3121NxxxA), SENSE Pin Detection Type (R3121NxxxE) and VDD Pin Detection without Hysteresis Type (R3121NxxxG), depending on the system configurations.
Key Benefits
- Highly accurate voltage detection with detector threshold accuracy ±1.5% (Ta = 25°C)
- Selectable options of VDD Pin Detection, SENSE Pin Detection and VDD Pin Detection without Hysteresis
- Adjustment of the release delay time (Power-on Reset Time) by connecting external capacitors
- Reduction of mounting area by using compact package of SOT-23-6
Spec
| Standard | Industrial | Automotive | |
|---|---|---|---|
| Operating Voltage Range | R3121NxxxA/G: 1.4 V to 36.0 V (50.0V) R3121NxxxE: 2.4 V to 6.0 V (7.0V) |
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| Operating Temperature Range | -40°C to 85°C (125°C) | -40°C to 125°C (150°C) | -40°C to 125°C (150°C) |
| Supply Current | R3121NxxxA/G: Typ. 3.8 µA R3121NxxxE: Typ. 3.5 µA |
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| Detector Threshold Range | 3.0 V to 12.0 V (0.1 V step) | ||
| Detector Threshold Accuracy | ±1.5% (Ta = 25°C) ±2.0% (-40°C ≤ Ta ≤ 85°C) |
±1.5% (Ta = 25°C) -2.2 to 2.5% (-40°C ≤ Ta ≤ 125°C) |
±1.5% (Ta = 25°C) -2.2 to 2.5% (-40°C ≤ Ta ≤ 125°C) |
| Release Delay Time Accuracy | -35% to 40% (-40°C ≤ Ta ≤ 85°C) | -40% to 80% (-40°C ≤ Ta ≤ 125°C) | -40% to 80% (-40°C ≤ Ta ≤ 125°C) |
| Output Type | Nch Open Drain | ||
| Package | SOT-23-6 | ||
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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Typical Application
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R3121NxxxA Timing Chart
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R3121NxxxE Timing Chart
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R3121NxxxG Timing Chart
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.
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
R3121 Series