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L4978
| Manufacturer | |
| Description | Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP DC/DC Switching Regulators 3.3 to 50V Step-Down DC-DC 55V 2.0A D DIP-8 THT IC REG BUCK ADJ 2A 8DIP L4978, Switching Regulator, Buck Controller, 2A, Adjustable, 3.3 to 50V, 300kHz, 8-Pin PDIP Voltage Regulators - Switching Regulators 3.3 to 50V Step-Down IC, BUCK REG, 4978, DIP8 REGULATOR,SWITCH,STEPDOWN,2A,16PINSOIC Switching Regulator 2 A DIL-8, L4978, ST Switching Voltage Regulators 3.3 to 50V Step-Down |
| Category |
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Business
| MOQ | 50 | Unit Pack | 50 |
| Product Category | DC/DC Switching Regulators | Standard Package | Rail / Tube |
| Factory Pack Quantity | 50 | Standard Package Name | PDIP |
Compliance
| RoHS | RoHS Compliant | SVHC | :No SVHC (20-Jun-2013) |
| EU RoHS | Compliant | Tariff No | 85423990 |
| Automotive | NO | Part Status | :4978 |
| Rad Hardened | No | Leadfree Defin | RoHS-conform |
Electrical
| Accuracy | :1% | Frequency | 300000Hz |
| Efficiency | 87(Typ) % | Inductance | 2.5ms |
| Output Type | Adjustable | Regulator Type | Buck Controller |
| Voltage Rating | 3.3 to 50 V | Line Regulation | 10 mV |
| Oscillator Type | 100kHz | Current - Output | 2 A |
| Voltage - Supply | 8 to 55 V | Number of Outputs | 1 |
| Current - Output 1 | 2A | Regulator Topology | Step Down |
| Voltage - Output 4 | 0.65V | Switching Regulator | Yes |
| Frequency - Switching | 90 to 300 kHz | Synchronous Rectifier | No |
| Voltage - Input (Min) | 55V | Voltage - Output (Max) | 50 V |
| Input Logic Level - Low | 2μA | Power Dissipation (Max) | 1W |
| DC Voltage - Input (Min) | 8 V | Voltage - Output (Min/Fixed) | 3.3 V |
| Voltage - Output 1 (Adj Range) | :50V | Voltage - Output (Typ) @ Distance | 57dB |
| Voltage - Continuous Operating (Max) (MCOV) | :55V | Voltage - Output Difference (Typ) @ Distance | :3.3V |
Mechanical
| Width | 6.6mm | Height | 3.32mm |
| Length | 10.92mm | Weight | 0.00047 |
| Packaging | Tube | Lead Style | Through Hole |
| Termination | :Through Hole | Mounting Type | Through Hole |
| Mounting Style | Through Hole | Number of Pins | :8 |
| Package / Case | 8PDIP | Package Cooled | PDIP |
| Material Finish | :- | Package Quantity | PDIP |
| Primary Material | TVS | Size / Dimension | 10.92 x 6.6 x 3.32mm |
| Number of Positions | 8 | Supplier Device Package | 8-DIP |
Product Info
| Type | Step Down | Base Unit | :4978 |
| Matchcode | L4978 | Standard Leadtime | 15 weeks |
Environmental
| Operating Temperature | -40 to 150 °C | Usable Temperature Range | -40to+150°C |
| Maximum Temperature Limit | 140°C | ||
