Power Integrations LNK3792D-H004-TL

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Product attributes Property Value
Manufacturer Power Integrations
Product Series
Packaging Bulk |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 900V
Topology Flyback, Secondary Side SR
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 85V ~ 265V
Duty Cycle -
Frequency - Switching 66kHz
Power (Watts) 12 W
Fault Protection Over Temperature, Over Voltage
Control Features -
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154", 3.90mm Width), 14 Leads
Supplier Device Package 16-SO B
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Power Integrations LNK3792D-H004-TL is an isolated flyback switcher with an integrated 900V power switch and secondary-side synchronous rectification. It delivers up to 12W at 66kHz switching frequency, operating from an 85V to 265V Vcc supply. Over temperature and over voltage protection are included in a 14-lead SOIC package rated for -40°C to 105°C ambient temperature.

  • Integrated 900V switch reduces external component count and simplifies design.
  • Isolated flyback topology with secondary-side SR supports efficient low-power conversion.
  • 12W output capability suits compact offline supplies.
  • 66kHz switching frequency balances magnetics size and efficiency.
  • -40°C to 105°C ambient range supports industrial environments.

Compact Offline Power Supplies

The LNK3792D-H004-TL integrates a 900V switch in an isolated flyback topology, simplifying offline designs up to 12W. The 66kHz switching frequency and integrated switch reduce external component count.

Industrial Auxiliary Supplies

Rated for -40°C to 105°C ambient temperature, this device suits industrial environments. Over temperature and over voltage protection support reliable operation.

Appliance and Metering Power

Isolated flyback with secondary-side synchronous rectification supports efficient low-power rails. The 900V breakdown rating provides margin for high-voltage offline conditions.

Housekeeping and Bias Rails

With 12W output capability and integrated switch, this device simplifies isolated bias supply design across a 85V to 265V Vcc range.

Q: What topology does the LNK3792D-H004-TL use?
A: It is an isolated flyback switcher with secondary-side synchronous rectification.
Q: Does it have an integrated switch?
A: Yes, the power switch is integrated on-chip.
Q: What is the breakdown voltage?
A: 900V.
Q: What is the switching frequency and power rating?
A: 66kHz switching frequency with 12W output power.
Q: What protections are included?
A: Over temperature and over voltage protection.
Base Product Number : LNK3792D-H004-TL
12W 14-SOIC 66kHz 900V Flyback Converter Integrated Switch Isolated Offline Switcher Over Voltage Protection Power Integrations Secondary Side SR
Q: What topology does the LNK3792D-H004-TL use?
A: It is an isolated flyback switcher with secondary-side synchronous rectification.
Q: Does it have an integrated switch?
A: Yes, the power switch is integrated on-chip.
Q: What is the breakdown voltage?
A: 900V.
Q: What is the switching frequency and power rating?
A: 66kHz switching frequency with 12W output power.
Q: What protections are included?
A: Over temperature and over voltage protection.