TL5001 - 宽输入范围 PWM 控制器

TL5001是TI德州仪器公司的一款控制器（外部开关）产品，TL5001是宽输入范围 PWM 控制器，本站介绍了TL5001的封装应用图解、特点和优点、功能等，并给出了与TL5001相关的TI元器件型号供参考。

TL5001 - 宽输入范围 PWM 控制器 - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TL5001 and TL5001A incorporate 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/A 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 TL5001A has a typical reference voltage tolerance of ±3% compared to ±5% for the TL5001.

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 VCC conditions, the UVLO circuit turns the output off until VCC recovers to its normal operating range.

The TL5001C and TL5001AC are characterized for operation from –20°C to 85°C. The TL5001I and TL5001AI are characterized for operation from –40°C to 85°C. The TL5001Q and TL5001AQ are characterized for operation from –40°C to 125°C. The TL5001M and TL5001AM are characterized for operation from –55°C to 125°C.

产品特性

Complete PWM Power Control
3.6-V to 40-V Operation
Internal Undervoltage-Lockout Circuit
Internal Short-Circuit Protection
Oscillator Frequency . . . 20 kHz to 500 kHz
Variable Dead Time Provides Control Over Total Range
±3% Tolerance on Reference Voltage (TL5001A)
Available in Q-Temp Automotive HighRel Automotive Applications Configuration Control / Print Support Qualification to Automotive Standards

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