描述 Description

The TEA18361LT is a controller IC for low-cost Switched Mode Power Supplies (SMPS).It is intended for DCM / QR flyback topologies. The built-in green functions provide high-efficiency atall power levels.

特性 Features

? SMPS controller IC for low-cost applications
? Large supply voltage range (up to 30 V)
? Integrated high-voltage start-up
? Continuous VCC regulation during start-up and protection via the HV pin, allowing aminimum VCC capacitor value
? Reduced opto current in burst mode enabling low no-load power consumption
? Operating frequencies in all operating modes are outside the audible area
? Integrated X-capacitor discharge
? Adjustable soft start
? Power-down mode via the PROTECT pin
? Low supply current during normal operation (0.6 mA without load)
? Low supply current during the non-switching state in burst mode (0.2 mA)
? Valley switching for minimum switching losses
? Frequency reduction with fixed minimum peak current to maintain high efficiency atlow output power levels
? Mains voltage independent OverPower Protection (OPP)
? OverTemperature Protection (OTP)
? Integrated overpower time-out
? Continuous mode protection using demagnetization detection
? Accurate OverVoltage Protection (OVP)
? General-purpose input for latched protection; for use with system OverTemperatureProtection (OTP)

應(yīng)用 Application

要求采用高效且高性價比電源解決方案的最高75 W應(yīng)用