STMicroelectronics L4947 Linear Controllers
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 5-PENTAWATT
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4947
Detailed Description
IC REG LIN 5V 500MA 5PENTAWATT
Package
Pentawatt-5 (Vertical, Bent and Staggered Leads)
Key Features
Package / Case: Pentawatt-5 (Vertical, Bent and Staggered Leads); Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
L4947 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4947 Linear Controllers technical specifications.
General
Package / Case
Pentawatt-5
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Obsolete
Output Type
Fixed
Max Input Voltage
26V
Current Supply Max
180 mA
Output Current
500mA
Quiescent Current
13 mA
Control Features
Reset
Alternate Parts Comparison (L4947 vs L149V vs L7805CV-DG vs L78M05CDT-TR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Max Input Voltage | 26V | 20V | 18 V | 25 V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Current | 500mA | 4A | 1.5 A | 500 mA |
| Quiescent Current | 13 mA | 400 µA | 8 mA | 6 mA |
| Package / Case | Pentawatt-5 | Pentawatt-5 | TO-220-3 | TO-252-3, DPak |
| Operating Temperature | -40°C ~ 125°C | -- | 0°C ~ 125°C | 0°C ~ 150°C |
| Output Type | Fixed | -- | Fixed | Fixed |
| Output Voltage | 5V | -- | 5 V | 5 V |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit |
| PSRR | 60dB (120Hz) | -- | 62 dB | 62 dB |
| Voltage Dropout | 0.75V @ 500mA | -- | 2 V | 2 V |
| Action |
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