HV9921N8-G
IC LED DRIVER OFFL DIM SOT89-3

Pmic Led Drivers
TO-243AA
Active
$0.82 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Microchip Technology |
| Model | HV9921N8-G |
| Package / Case | TO-243AA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Step-Down (Buck) |
| Number of Outputs | 1 |
| Supplier Device Package | SOT-89-3 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
HV9921N8-G by Microchip Technology is a Step-Down (Buck) IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output -. The TO-243AA package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Type | AC DC Offline Switcher |
| Dimming | Triac |
| Topology | Step-Down (Buck) |
| Applications | Lighting |
| Number of Outputs | 1 |
| Internal Switch(s) | Yes |
| Voltage - Supply (Max) | 400V |
| Voltage - Supply (Min) | 20V |
| Current - Output / Channel | 20mA |
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