STMicroelectronics L7924CV -24V 1A Negative Voltage Regulator TO-220
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Prices updated: 13 Oct 2026
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About this product
The L7924CV is a three-terminal fixed negative voltage regulator with a -24 V output and up to 1 A output current when adequately heat-sunk. It is available in TO-220, TO-220FP and D2PAK packages. It includes thermal overload, short-circuit and safe operating area protection and is commonly used for the negative rail in split supplies.
Specifications
- Output voltage
- -24 V
- Output current
- 1 A (with adequate heatsinking)
- Type
- Three-terminal fixed negative regulator
- Packages
- TO-220, TO-220FP, D2PAK
- Protection
- Thermal overload, short circuit, SOA
Frequently asked questions
How should the L7924CV be wired?
It has three terminals: unregulated negative input, common ground, and regulated -24 V output. Confirm the pin order for your package in the datasheet, and make sure the input is more negative than -24 V by the regulator's required margin.
Does the L7924CV need a heatsink?
At currents approaching 1 A, a heatsink is needed. The regulator can deliver its full output current only when adequate heat sinking is provided, so size the heatsink for your power dissipation.
