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Product Detailed Parameters
- Description：45 W (85-265 VAC)
- Series：PowiGaN™, InnoSwitch™3-PD
- Mfr：Power Integrations
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Isolation：Isolated
- Internal Switch(s)：Yes
- Voltage - Breakdown：750V
- Topology：Flyback
- Voltage - Start Up：5 V
- Voltage - Supply (Vcc/Vdd)：3.42V ~ 3.78V
- Duty Cycle：-
- Frequency - Switching：25kHz
- Fault Protection：Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
- Control Features：EN, Frequency Control, Soft Start
- Operating Temperature：-40°C ~ 105°C (TA)
- Package / Case：24-PowerSMD Module (0.425", 10.80mm Width), 17 Leads
- Supplier Device Package：InSOP-24D
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：65 W
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Overview
The INN3878C-H801-TL is an AC-DC converter IC from the InnoSwitch3-PD series, utilizing PowiGaN technology. It features a flyback topology with an integrated 750V GaN switch and secondary-side rectification control. The device supports universal input voltages ranging from 85 VAC to 265 VAC and delivers up to 45 W of output power. Key electrical parameters include a switching frequency of 25 kHz, a breakdown voltage of 750V, and a startup voltage of 5V. It operates within a temperature range of -40°C to +105°C and is housed in an InSOP-24D package.
Feature Summary
- Integrates a high-voltage GaN power switch with secondary-side regulation for enhanced efficiency.
- Provides comprehensive protection mechanisms including over-current, over-voltage, and thermal shutdown.
- Supports isolated output configurations with advanced control features such as frequency control and soft start.
Applications
- Universal input AC-DC adapters
- Consumer electronics power supplies
- Chargers for portable devices
Procurement Notes
Verify the specific suffix H801 against official Power Integrations documentation to confirm pinout and functional compatibility. Ensure that the InSOP-24D package dimensions align with your PCB layout requirements. Confirm RoHS compliance status and moisture sensitivity level (MSL 3) prior to assembly planning. Cross-reference the manufacturer part number with authorized distributor catalogs to avoid counterfeit components.
Selection Notes
Select this component for designs requiring high integration and reduced external component count. The integrated GaN switch eliminates the need for discrete high-voltage MOSFETs. Consider the 25 kHz switching frequency when designing transformer specifications. Evaluate thermal management needs given the 105°C maximum operating temperature rating. Compare against other InnoSwitch3-PD variants if different power levels or frequencies are required.
Part Context
This part belongs to the InnoSwitch3-PD family, which combines primary-side regulation concepts with secondary-side sensing for improved accuracy. The PowiGaN technology enables higher power density compared to traditional silicon-based solutions. It is designed for off-line applications requiring reliable performance across wide input voltage ranges.
Replacement Considerations
INN3878C-H802-TL offers similar functionality but may differ in switching frequency or specific internal configuration. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Consult the manufacturer's replacement guide for approved alternatives.
