MFG:STMicroelectronics Category:Integrated Circuits (ICs) Package Cooled:TO220-5 D/C:05+
L4947A, L4947L, L4947PD Datasheet download
Category: Integrated Circuits (ICs)
MFG: STMicroelectronics
Package Cooled: TO220-5
D/C: 05+
Description: IC REG LDO W/RESET 20 PSOIC
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PDF/DataSheet Download
Datasheet: L4901
File Size: 137029 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L4901
File Size: 137029 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L4947PD
File Size: 54787 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
| Technical/Catalog Information | L4947L |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Regulator Type | Single Output |
| Package / Case | Pentawatt-5 (Vertical, Bent and Staggered Leads) |
| Packaging | Tube |
| Regulator Topology | Positive Fixed |
| Current - Output | 500mA |
| Voltage - Output | 5V |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input | 6 ~ 26 V |
| Number of Regulators | 1 |
| Current - Limit (Min) | - |
| Current Short Circuit (Isc) | 500mA |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L4947L L4947L |
| Technical/Catalog Information | L4947PD |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Regulator Type | Single Output |
| Package / Case | PowerSO-20 Exposed Bottom Pad |
| Packaging | Tube |
| Regulator Topology | Positive Fixed |
| Current - Output | 500mA |
| Voltage - Output | 5V |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input | 6 ~ 26 V |
| Number of Regulators | 1 |
| Current - Limit (Min) | - |
| Current Short Circuit (Isc) | 500mA |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | L4947PD L4947PD 497 1405 5 ND 49714055ND 497-1405-5 |
The L4947PD is a monolithic integrated circuit in HiPSO package specially designed to provide a stabilized supply voltage for automotive and industrial electronic systems. Thanks to its very low voltage drop, in automotive applications the L4947PD can work correctly even during the cranking phase, when the battery voltage could fall as low as 6V. Furthermore, it incorporates a complete range of protection circuits against the dangerous overvoltages always present on the battery rail of the car. The reset function makes the device particularly suited to supply microprocessor based systems : a signal is available (after an externally programmable delay) to reset the microprocessor at power-on phase ; at power-off, this signal becomes low inhibiting the microprocessor.
| Symbol | Parameter | Value | Unit |
| V1 | DC Input Voltage DC Reverse Input Voltage Transient Input Overvoltages : Load Dump : 5ms 3 trise 3 10ms tf Fall Time Constant = 100ms RSOURCE . 0.5W Field Decay : 5ms 3 tfall 3 10ms, RSOURCE . 10W tr Rise Time Constant = 33ms Low Energy Spike : trise = 1ms, tfall = 500ms, RSOURCE . 10W fr Repetition Frequency = 5Hz |
35
80
± 100 |
V
|
| VR | Reset Output Voltage | 35 | V |
| TJ,TSTG | Junction and Storage Temperature Range | 55 to 150 | °C |
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