Rochester Electronics, LLC16-SOIC (0.154", 3.90mm Width)RoHS
UCC28221D
IC OFFLINE SWITCH FLYBACK 16SOIC
Category
Subcategory
Pmic Ac Dc Converters Offline Switchers
Package
16-SOIC (0.154", 3.90mm Width)
Status
Active
Datasheet
$3.29 / unit (market reference)
MOQ: 11 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
✅ 365-Day Warranty🚚 Global Shipping
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | UCC28221D |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Topology | Flyback |
| Frequency - Switching | 2MHz |
| Supplier Device Package | 16-SOIC |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
UCC28221D by Rochester Electronics, LLC is a Flyback IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 16-SOIC (0.154", 3.90mm Width) 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
| Topology | Flyback |
| Duty Cycle | 75% |
| Control Features | Soft Start |
| Fault Protection | Current Limiting, Over Voltage |
| Output Isolation | Isolated |
| Internal Switch(s) | No |
| Voltage - Start Up | 13 V |
| Frequency - Switching | 2MHz |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 14.5V |
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