STMicroelectronics, L4974AStep-Down Switching Regulator, 1-Channel 3.5A Adjustable 20-Pin, PDIP
- RS Stock No.:
- 168-5780
- Mfr. Part No.:
- L4974A
- Brand:
- STMicroelectronics
Discontinued product
- RS Stock No.:
- 168-5780
- Mfr. Part No.:
- L4974A
- Brand:
- STMicroelectronics
Technical Reference
Legislation and Compliance
Product Details
DC-DC Switching Converters, Step-Down Regulators, STMicroelectronics
ST’s monolithic switching regulators offer high input-voltage capability, and deliver output currents up to 4A, with high switching frequency.
Switching Voltage Regulators, STMicroelectronics
Specifications
Attribute | Value |
|---|---|
| Maximum Output Current | 3.5A |
| Maximum Output Voltage | 40 V |
| Regulator Function | Buck Controller |
| Minimum Output Voltage | 5.1 V |
| Minimum Input Voltage | 15 V |
| Maximum Input Voltage | 50 V |
| Output Type | Adjustable |
| Mounting Type | Through Hole |
| Number of Outputs | 1 |
| Pin Count | 20 |
| Maximum Switching Frequency | 200 kHz |
| Package Type | PDIP |
| Switching Regulator | Yes |
| Line Regulation | 30 mV |
| Load Regulation | 25 mV |
| Maximum Operating Temperature | +150 °C |
| Minimum Operating Temperature | -40 °C |
| Efficiency | 90% |
| Dimensions | 24.8 x 7.1 x 4.59mm |
| Height | 4.59mm |
| Length | 24.8mm |
| Width | 7.1mm |