L4978
Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP
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Manufacturer:STMicroelectronics
Product Category:
Power Management, Voltage Regulators, DC / DC Switching Regulators
Avnet Manufacturer Part #: L4978
Secondary Manufacturer Part#: L4978
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RoHS 10 Compliant -
Tariff Charges
The L4978 is a step-down monolithic power Switching Regulator delivering 2A at a voltage between 3.3 and 50V (selected by a simple external divider). Realized in BCD mixed technology, the device uses an internal power D-MOS transistor (with a typical Rdso
- Protection against feedback disconnection
- Inhibit for zero current consumption
- Zero load current operation
- Internal current limiting (pulse-by pulse and hiccup mode)
- Precise 3.3V (±1%) internal reference voltage
Technical Attributes
Find Similar Parts
| Description | Value | |
|---|---|---|
| 87 % | ||
| 55 V | ||
| 8 V | ||
| Matte Tin | ||
| 10 mV | ||
| 55 V | ||
| 8 V | ||
| Through Hole | ||
| 1 | ||
| 8 | ||
| 1 | ||
| 8, 55 V | ||
| -40 to 150 °C | ||
| 150 °C | ||
| -40 °C | ||
| 2 A | ||
| Adjustable | ||
| 3.3 to 50 V | ||
| 8PDIP | ||
| 8 | ||
| 10.92 x 6.6 x 3.32 mm | ||
| PDIP | ||
| 90 to 300 kHz | ||
| 100 kHz |
ECCN / UNSPSC / COO
| Description | Value |
|---|---|
| Country of Origin: | RECOVERY FEE |
| ECCN: | EAR99 |
| HTSN: | 8542330001 |
| Schedule B: | 8542330000 |
Factory Lead Time: