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TEA5170 - SWITCH-MODE POWER-SUPPLY

General Description

The TEA5170 is designed to work in the secondary part of an off-line SMPS, sending pulses to the slaved TEA2260/61 which are located on the primary side of the main transformer.

An accurate regulated voltage is obtained by duty cycle control.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TEA5170 SWITCH MODE POWER SUPPLY SECONDARY CIRCUIT . . . . . . . . . . . INTERNAL PWM SIGNAL GENERATOR POWER SUPPLY WIDE RANGE 4.5V – 14.5V SOFT START REFERENCE VOLTAGE 2V ± 5% WIDE FREQUENCY RANGE 250kHz MINIMUM OUTPUT PULSE WIDTH 500nS MAXIMUM PRESET DUTY CYCLE SYNCHRONIZATION WINDOW OUTPUT SWITCH UNDERVOLTAGE LOCKOUT FREQUENCY RANGE WITH SYNCHRONIZATION 64kHz DIP8 (Plastic Package) ORDER CODE : TEA5170 DESCRIPTION The TEA5170 is designed to work in the secondary part of an off-line SMPS, sending pulses to the slaved TEA2260/61 which are located on the primary side of the main transformer. An accurate regulated voltage is obtained by duty cycle control.