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TEA1501
Information as of 2000-08-19
TEA1501; Greeny; GreenChip
The TEA1501 (Greeny) is the low power member of the GreenChipTM family and is especially designed for standby switched mode power
supply applications. Greeny incorporates all the necessary functions for an efficient and low cost power supply for 90 to 276 V AC universal
input. Greeny is a monolithic integrated circuit and is available in a DIP8 package. The design is made in the BCD_PowerLogic750 process
and includes the high voltage switching device. Using only 7 functional pins, Greeny contains extensive control functions to form a flexible
and a reliable power supply with a minimum of external components. Greeny operates in a flyback topology with a fixed switching
frequency, constant primary peak current control and regulates the output voltage in burst mode. Applications include low power supplies
and standby power supplies as used in television, monitor, lighting electronics and domestic appliances with an output power from 0.1 to 3
W.
l
Direct off-line operation (90 to 276 V AC)
l
Low external component count
l
Integrated high voltage startup current source for a fast startup within 0.25 s
l
Integrated power switch: 650 V40
0.25 A
l
Programmable primary peak current
l
Data transfer from isolated secondary side to non-isolated primary side via the transformer
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On/Off function replaces expensive mains switch by a functional switch.
Green features
l
Low current consumption in Off mode, typical 40 A
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Efficient burst mode operation, for 0.1 to 3 W output power.
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