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UNISONIC TECHNOLOGIES CO., LTD
TL5001
LINEAR INTEGRATED CIRCUIT
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
DESCRIPTION
The UTC TL5001 incorporates on a single monolithic chip all the functions required for a pulse width modulation (PWM) control circuit. Designed primarily for power-supply control, It contains an error amplifier, a regulator, an oscillator, a PWM comparator with a dead-time-control input, undervoltage lockout (UVLO), short-circuit protection (SCP) and an open-collector output transistor.
The error-amplifier common-mode voltage ranges from 0V to 1.5V. The noninverting input of the error amplifier is connected to a 1-V reference. Dead-time control (DTC) can be set to provide 0% to 100% dead time by connecting an external resistor between DTC and GND.