550mA Output LDO Regulator with WDT and Voltage Detector - BD4271HFP-C
BD4271HFP-C is automotive voltage regulator with watchdog timer and offers the output current of 550mA while limiting the quiescent current low. A logical “HIGH” at the CTL pin enables the LDO regulator and “LOW” disables the LDO regulator and keeps current consumption low. A reset signal is generated for an output voltage VO of Typ 4.65V. The reset delay time and watchdog time (WDT) can be programmed by the external capacitor.
| Part Number | Status | Package | Unit Quantity | Minimum Package Quantity | Packing Type | RoHS |
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| BD4271HFP-CTR | Active | HRP7 | 2000 | 2000 | Taping | Yes |
BD4271HFP-C Data Sheet
Specifications| Grade | Standard | | ch | 1 | | Vin(Min.)[V] | 5.5 | | Vin(Max.)[V] | 45.0 | | Vout (Typ.) [V] | 5 | | Vout Precision | ±2.0% | | Iout(Max.)[A] | 0.55 | | Circuit Current[mA] | 0.075 | | Shutdown Function | No | | Thermal Shut-down | Yes | | Over Current Protection | Yes | | Under Voltage Lock Out | Yes | | I/O Voltage Difference (Typ.)[V] | 0.2(Io=300mA) | | Ripple Rejection [dB] | 60.0 | | Load Regulation[mV] | 10 | | Operating Temperature (Min.)[°C] | -40 | | Operating Temperature (Max.)[°C] | 150 |
| Technical DocumentsFeatures- Low ESR ceramic capacitors applicable for output
- Low drop voltage: PDMOS output transistor
- Power on and under-voltage reset
- Programmable reset delay and watchdog time by external capacitor
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