Power IntegrationsTO-220-7 Formed Leads, 6 LeadsRoHS
TOP257YN
IC OFFLINE SW FLYBACK TO220-7C
Category
Subcategory
Pmic Ac Dc Converters Offline Switchers
Package
TO-220-7 Formed Leads, 6 Leads
Series
TOPSwitch®-HX
Status
Active
$2.80 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Power Integrations |
| Model | TOP257YN |
| Package / Case | TO-220-7 Formed Leads, 6 Leads |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Topology | Flyback |
| Frequency - Switching | 66kHz, 132kHz |
| Supplier Device Package | TO-220-7C |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
TOP257YN by Power Integrations 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 TO-220-7 Formed Leads, 6 Leads 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 | 78% |
| Power (Watts) | 157 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Frequency - Switching | 66kHz, 132kHz |
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