Rochester Electronics, LLC8-SMD, Gull WingRoHS
FSQ321L
IC OFFLINE SWITCH FLYBACK 8LSOP
Category
Subcategory
Pmic Ac Dc Converters Offline Switchers
Package
8-SMD, Gull Wing
Series
FPS™
Status
Active
Datasheet
$0.51 / unit (market reference)
MOQ: 589 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 | FSQ321L |
| Package / Case | 8-SMD, Gull Wing |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Flyback |
| Frequency - Switching | 55kHz ~ 67kHz |
| Supplier Device Package | 8-LSOP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
FSQ321L 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 8-SMD, Gull Wing 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 |
| Power (Watts) | 12 W |
| Control Features | Sync |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Start Up | 12 V |
| Voltage - Breakdown | 650V |
| Frequency - Switching | 55kHz ~ 67kHz |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 20V |
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