STMicroelectronics L4945 Linear Controllers
Linear Voltage Regulator IC Positive Fixed 1 Output 500mA TO-220
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4945
Detailed Description
IC REG LINEAR 5V 500MA TO220AB
Package
TO-220-3
Key Features
Package / Case: TO-220-3; Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
L4945 Datasheet
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Technical Specifications
STMicroelectronics L4945 Linear Controllers technical specifications.
General
Package / Case
TO-220-3
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
Output Configuration
Positive
Alternate Parts Comparison (L4945 vs L78M12CV vs L78S15CV vs L7885CV)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 150°C | 0°C ~ 125°C |
| Max Input Voltage | 26V | 35V | 35V | 35V |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 500mA | 500mA | 2A | 1.5A |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Output Voltage | 5V | 12V | 15V | 8.5V |
| Protection Features | Over Temperature, Over Voltage, Reverse Polarity, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| PSRR | 60dB (120Hz) | 55dB (120Hz) | 46dB (120Hz) | 56dB (120Hz) |
| Quiescent Current | 13 mA | 6 mA | 8 mA | 8 mA |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Action |
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