Voltage Detector with Adjustable Delay Time - BU4348GROHM's low voltage CMOS reset ICs utilize CMOS processes for high precision and low current consumption. In addition, a delay circuit is built in, enabling arbitrary setting of the delay time via external capacitor. The extensive lineup includes both Nch Open Drain and CMOS output types in a wide range of detection voltages (from 0.9V to 4.8V, in 0.1V steps), enabling selection of the ideal solution based on customer requirements. Tthe entire series is of course both lead-free and RoHS-compliant.
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| * This product is a STANDARD grade product and not recommend for on-vehicle devices. | ||||
| Voltage Detection[V] | 4.8 |
| VDET Precision [%] | ±1 |
| Reset Active Voltage Range [V] | 0.7 to 7 |
| Output Types | CMOS |
| Reset Delay Timer | Adjustable Delay |
| Reset Active State | Low |
| Manual Reset | No |
| Watchdog Timer | No |
| Auto Motive | No |
| Circuit Current (ON) [µA] | 0.40(VDET=4.8V) |
| Circuit Current (OFF) [µA] | 0.55(VDET=4.8V) |
| Hysteresis Voltage [V] | VDET x 0.05 |
| "L" Output Current (LowVol) [mA] | 3.3 |
| "L" Output Current (HighVol) [mA] | 6.5 |
| Delay Circuit Resistance [MΩ] | 10.0 |
| Operating Temperature (Min.)[°C] | -40 |
| Operating Temperature (Max.)[°C] | 125 |
- ・Broad lineup available in different detection voltages : 0.9V to 4.8V (0.1V increments)
・High detection voltage accuracy : ±1%
・Ultra-low current consumption
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| PART NUMBER | Product Name | Package | Datasheet | Distribution Inventory |
|---|---|---|---|---|
| BU4209F | Voltage Detector with Adjustable Delay Time | SOP4 | Buy Sample | |
| BU4210F | Voltage Detector with Adjustable Delay Time | SOP4 | Buy Sample | |
| BU4211F | Voltage Detector with Adjustable Delay Time | SOP4 | Buy Sample | |
| BU4212F | Voltage Detector with Adjustable Delay Time | SOP4 | Buy Sample | |
| BU4216F | Voltage Detector with Adjustable Delay Time | SOP4 | Buy Sample | |
| BU4217F | Voltage Detector with Adjustable Delay Time | SOP4 | Buy Sample |
SPICE is a general-purpose circuit-simulation program for nonlinear DC, nonlinear transient, and linear AC analysis. It solves network equations for node voltages and was designed to solve both linear and nonlinear electrical circuits…
Circuit Applications
The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.
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