TEA1533AP
SMPS ICs for low-power systems
The GreenChipTM(1)II is the second generation of green Switched Mode Power Supply (SMPS) control ICs operating directly from the rectified universal mains. A high level of integration leads to a cost effective power supply with a very low number of external components. The special built-in green functions allow the efficiency to be optimum at all power levels. This holds for quasi-resonant operation at high power levels, as well as fixed frequency operation with valley switching at medium power levels. At low power (standby) levels, the system operates at a reduced frequency and with valley detection.

Features and benefits
Universal mains supply operation (70 VAC to 276 VAC)
High level of integration, giving a very low external component count.
Valley or zero voltage switching for minimum switching losses
Efficient quasi-resonant operation at high power levels
Frequency reduction at low power standby for improved system efficiency (<3 W)
Cycle skipping mode at very low loads
On-chip start-up current source.
Safe restart mode for system fault conditions
Continuous mode protection by means of demagnetization detection
Short winding protection
Undervoltage protection (foldback during overload)
Low and adjustable overcurrent protection trip level
Mains voltage-dependent operation enabling level
Accurate and adjustable overvoltage protection (safe restart)
Overtemperature protection (safe restart)

应用
DVD / VCR SMPS
Intelligent washing machine
LCD TV flyback power supply
Mid-range integrated DTV
Notebook / LCD SMPS
PC supply (silverbox)
Set-top box SMPS
TV SMPS

其他型号
TEA1533AP
TEA1533AT
TEA1552T
TEA1703T
TEA1750T
TEA1751LT
TEA1751T
TEA1752LT
TEA1752T
TEA1753LT
TEA1753T
TEA1761T
TEA1762T
TEA1791T
TEA1792T
TEA1792TS