TL5001, TL5001Y PULSE-WIDTH-MODULATION CONTROL CIRCUITS

SLVS084C - APRIL 1994 - REVISED SEPTEMBER 1995

features

Complete PWM Power Control
3.6-V to 40-V Operation
Internal Undervoltage-Lockout Circuit
Internal Short-Circuit Protection
Oscillator Frequency . . . 40 kHz to 400 kHz
Variable Dead Time Provides Control Over Total Range

description

The 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, the TL5001 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 0 V to 1.5 V. 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. The oscillator frequency is set by terminating RT with an external resistor to GND. During low V_CC conditions, the UVLO circuit turns the output off until V_CC recovers to its normal operating range.

The TL5001C is characterized for operation from -20°C to 85°C. The TL5001I is characterized for operation from -40°C to 85°C.

Title: PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Product Family: PWM CONTROLLERS AND DC - DC CONVERTERS
Device Functionality: PWM CONTROLLERS
Orderable Devices: TL5001CD, TL5001CDR, TL5001CP, TL5001CPSLE, TL5001ID, TL5001IDR

View the complete PDF datasheet: slvs084c.pdf (261 K Bytes) (Requires Acrobat Reader 3.x)

View more information about generic part numbers:TL5001

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