STMicroelectronics L4947PD Linear Controllers
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA PowerSO-20
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4947PD
Detailed Description
IC REG LINEAR 5V 500MA POWERSO20
Package
20-SOIC (0.433, 11.00mm Width) Exposed Pad
Key Features
Package / Case: 20-SOIC (0.433, 11.00mm Width) Exposed Pad
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
L4947PD Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4947PD Linear Controllers technical specifications.
General
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Obsolete
PSRR
60dB (120Hz)
Output Type
Fixed
Quiescent Current
13 mA
Current Supply Max
180 mA
Control Features
Reset
Output Current
500mA
Alternate Parts Comparison (L4947PD vs L7805CV-DG vs L78M05CDT-TR vs L7812CV)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Operating Temperature | -40°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 150°C | 0°C ~ 125°C |
| Max Input Voltage | 26V | 18 V | 25 V | 25 V |
| Output Current | 500mA | 1.5 A | 500 mA | 1.5 A |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Output Voltage | 5V | 5 V | 5 V | 12 V |
| PSRR | 60dB (120Hz) | 62 dB | 62 dB | 55 dB |
| Quiescent Current | 13 mA | 8 mA | 6 mA | 8 mA |
| Voltage Dropout | 0.75V @ 500mA | 2 V | 2 V | 2 V |
| Package / Case | 20-SOIC | TO-220-3 | TO-252-3, DPak | TO-220-3 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit | Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Through Hole |
| Action |
More Parts in Voltage Regulators - Linear
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
L78L05ABUTRSTMicroelectronicsLinear Voltage Regulator, Fixed, Positive Output, 30 V, 5 V, 100 mA, 3 Pins, SOT-89
L78M05CDT-TRSTMicroelectronicsLinear Voltage Regulator, Fixed, Positive Output, 35 V, 5 V, 500 mA, 3 Pins, TO-252 (DPAK)
L7805CV-DGSTMicroelectronicsLinear Voltage Regulator, Fixed, 10V to 35V Input, 5V/1.5A Out, TO-220-3
L7812CVSTMicroelectronicsLinear Voltage Regulator, Fixed, Positive Output, 35 V, 12 V, 1.5 A, 3 Pins, TO-220