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| Lifecycle Status | ACTIVE (Last Updated: 8 months ago) |
| Factory Lead Time | 13 Weeks |
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | 20-DIP (0.300, 7.62mm) |
| Number of Pins | 20 |
| Weight | 4.535924g |
| Operating Temperature | -40°C~150°C TJ |
| Packaging | Tube |
| JESD-609 Code | e3 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| ECCN Code | EAR99 |
| Terminal Finish | Tin (Sn) |
| Terminal Position | DUAL |
| Terminal Pitch | 2.54mm |
| Frequency | 200kHz |
| Base Part Number | L4974 |
| Function | Step-Down |
| Number of Outputs | 1 |
| Efficiency | 90 % |
| Output Voltage | 40V |
| Output Type | Adjustable |
| Max Output Current | 3.5A |
| Operating Supply Voltage | 50V |
| Voltage - Input (Min) | 15V |
| Input Voltage-Nom | 35V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Output Configuration | Positive |
| Max Output Voltage | 40V |
| Topology | Buck |
| Control Mode | VOLTAGE-MODE |
| Frequency - Switching | 100kHz~200kHz |
| Control Technique | PULSE WIDTH MODULATION |
| Synchronous Rectifier | No |
| Dropout Voltage | 450mV |
| Nominal Input Voltage | 50V |
| Min Output Voltage | 5.1V |
| Voltage - Output (Max) | 40V |
| Height | 4.59mm |
| Length | 24.8mm |
| Width | 7.1mm |
L4974A Datasheet
+8613715157867