STMicroelectronics L4978 DC DC Switching Regulators
IC REG BUCK ADJUSTABLE 2A 8DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4978
Detailed Description
IC REG BUCK ADJUSTABLE 2A 8DIP
Package
8-DIP (0.300", 7.62mm)
Key Features
Package / Case: 8-DIP (0.300", 7.62mm); Mounting Type: Through Hole
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
L4978 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4978 DC DC Switching Regulators technical specifications.
General
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 150°C (TJ)
Output Type
Adjustable
Max Input Voltage
55V
Output Current
2A
Switching Frequency
100kHz ~ 300kHz
Number of Outputs
1
Topology
Buck
Output Configuration
Positive
Alternate Parts Comparison (L4978 vs MC34063EBN vs ST662ABN vs ST763ACN)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-DIP | 8-DIP | 8-DIP | 8-DIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TJ) |
| Switching Frequency | 100kHz ~ 300kHz | 33kHz | 400kHz | 200kHz |
| Max Input Voltage | 55V | 40V | 5.5V | 11V |
| Min Input Voltage | 8V | 3V | 4.5V | 3.3V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive or Negative | Positive | Positive |
| Output Current | 2A | 1.5A (Switch) | 30mA | 500mA |
| Output Type | Adjustable | Adjustable | Fixed | Fixed |
| Output Voltage | 3.3V | 1.25V | 12V | 3.3V |
| Synchronous Rectifier | No | No | No | No |
| Action |
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