Power Integrations TOP243YN Microcontrollers
DC/DC Controller, Flyback, 1.44A, 132kHz, TO-220
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TOP243YN
Series
Detailed Description
DC/DC Controller, Flyback, 1.44A, 132kHz, TO-220
Package
TO-220-7 Formed Leads, 6 Leads
Lifecycle Status
Not For New Designs
Datasheet
TOP243YN Datasheet
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Technical Specifications
Power Integrations TOP243YN Microcontrollers technical specifications.
General
Package / Case
TO-220-7 Formed Leads, 6 Leads
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 150°C (TJ)
Lifecycle Status
Not For New Designs
Voltage Breakdown
700V
Power Watts
45 W
Internal Switch S
Yes
Switching Frequency
66kHz ~ 132kHz
Output Isolation
Isolated
Topology
Flyback
Related Parts Comparison (TOP243YN vs TOP254PN vs TOP259EG vs TOP257GN)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | TO-220-7 Formed Leads, 6 Leads | 8-DIP | 7-SSIP, 6 Leads, Exposed Pad, Formed Leads | 8-SMD |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Switching Frequency | 66kHz ~ 132kHz | 66kHz | 66kHz, 132kHz | 66kHz |
| Lifecycle Status | Not For New Designs | Active | Active | Obsolete |
| Control Features | Frequency Control | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control |
| Duty Cycle | 66.5% | 78% | 78% | 78% |
| Fault Protection | Current Limiting, Over Temperature, Over | Current Limiting, Over Temperature, Over | Current Limiting, Over Temperature, Over | Current Limiting, Over Temperature, Over |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Output Isolation | Isolated | Isolated | Isolated | Isolated |
| Power Watts | 45 W | 28 W | 238 W | 41 W |
| Topology | Flyback | Flyback | Flyback | Flyback |
| Action |
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