STMicroelectronics E-L4973V3.3 DC DC Switching Regulators
Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 18-DIP (0.300", 7.62mm)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
E-L4973V3.3
Detailed Description
IC REG BUCK ADJ/3.3V 3.5A 18DIP
Package
18-DIP (0.300", 7.62mm)
Key Features
Package / Case: 18-DIP (0.300", 7.62mm); Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
E-L4973V3.3 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics E-L4973V3.3 DC DC Switching Regulators technical specifications.
General
Package / Case
18-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 150°C (TJ)
Lifecycle Status
Obsolete
Output Type
Adjustable (Fixed)
Max Input Voltage
55V
Output Current
3.5A
Switching Frequency
100kHz ~ 300kHz
Number of Outputs
1
Topology
Buck
Alternate Parts Comparison (E-L4973V3.3 vs L4973V5.1 vs L4963W vs L7987TR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 18-DIP | 18-DIP | 18-DIP | 16-TSSOP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Switching Frequency | 100kHz ~ 300kHz | 100kHz ~ 300kHz | 42kHz ~ 83kHz | 250kHz ~ 1.5MHz |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Max Input Voltage | 55V | 55V | 46V | 61V |
| Min Input Voltage | 8V | 8V | 9V | 4.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 3.5A | 3.5A | 1.5A | 3A |
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) | Adjustable | Adjustable |
| Output Voltage | 0.5V (3.3V) | 5.1V (5.1V) | 5.1V | 0.8V |
| Action |
More Parts in DC DC Switching Regulators
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
L4973V5.1STMicroelectronicsBuck Switching Regulator IC Positive Adjustable (Fixed) 5.1V (5.1V) 1 Output 3.5A 18-DIP (0.300", 7.62mm)
L4963WSTMicroelectronicsBuck Switching Regulator IC Positive Adjustable 5.1V 1 Output 1.5A 18-DIP (0.300", 7.62mm)