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INN3977CQ-TL is a CV/CC QR flyback switch IC that integrates a 750V switch and FluxLink™ feedback. The switch IC integrates the primary controller, secondary controller, and safety rating feedback into a single IC. The InnoSwitch3-AQ switch provides protection against line overvoltage and undervoltage, output overvoltage and overcurrent limits, and overtemperature shut-off.

specification

Output quarantine: Quarantine

Internal switch: Yes

Voltage - breakdown: 750V

Topology: flyback

Voltage - power supply (Vcc/Vdd) : 30V ~ 550V

Duty cycle: -

Frequency - Switch: 25kHz

Power (W) : 30 W

Fault protection: current limiting, overtemperature, overvoltage, short circuit, UVLO

Control characteristics: EN, soft start

Operating temperature: -40°C ~ 125°C (TA)

Package/Housing: 24-PowerSMD module (0.425", 10.80mm) 17 leads

Supplier component package: InSOP-24D

Mounting type: Surface mount type

Basic product number: INN3977

Typical applications include traction inverter emergency power supply, high voltage to low voltage DC to DC converters, battery management systems, and on-board chargers.

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