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5V, 300mA Isolated Step-Down Voltage Regulator D24Z3F5
This step-down voltage regulator consists of an input step-down (buck) regulator in front of an isolated DC-to-DC power module. This enables up to 300 mA at 5 V (default) or 5.5 V (selectable) out from a wide 5.5 V to 36 V input.
| Input voltage | Output voltages | Max continuous output current | Size |
|---|---|---|---|
| 5.5 V to 36 V | 5 V (default) or 5.5 V (selectable) | 300 mA | 0.4″ × 1.0″ |
Compare all products in Isolated DC-DC Power Modules or Step-Down (Buck) Voltage Regulators.
| Description | Specs (12) | Pictures (11) | Resources (4) | FAQs (0) | On the blog (0) | Distributors (0) |
|---|
Dimensions
| Size: | 0.4″ × 1.0″ × 0.15″ |
|---|---|
| Weight: | 0.8 g |
General specifications
| Minimum operating voltage: | 5.5 V1 |
|---|---|
| Maximum operating voltage: | 36 V |
| Maximum output current: | 300 mA |
| Output voltage: | 5 V2 |
| Reverse voltage protection?: | N |
| Isolated power transfer?: | Y |
| Working isolation voltage: | 820 VRMS3 |
| Maximum quiescent current: | 6 mA4 |
Identifying markings
| PCB dev codes: | reg40a |
|---|---|
| Other PCB markings: | 0J16168 |
Notes:
- 1
- Can operate down to around 4.6 V with reduced output current.
- 2
- Default; can be set to 5.5 V through a selection input.
- 3
- Manufacturer rating of the isolation IC. The overall assembled PCB is not certified to any particular safety standard.
- 4
- While enabled with no load. See the quiescent current graph under the description tab for more information. Can be reduced to approximately 10 µA per volt on VIN using the EN pin.
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D24Z3F5INTRO: Get up to 3 of #5756 5V, 300mA Isolated Step-Down Voltage Regulator D24Z3F5 at $5.25 each. This offer is valid through 30 Jun 2026.
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