UCC28C41 - BiCMOS 低功耗电流模式 PWM 控制器

UCC28C41是TI德州仪器公司的一款PWM与谐振控制器产品，UCC28C41是BiCMOS 低功耗电流模式 PWM 控制器，本站介绍了UCC28C41的封装应用图解、特点和优点、功能等，并给出了与UCC28C41相关的TI元器件型号供参考。

UCC28C41 - BiCMOS 低功耗电流模式 PWM 控制器 - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品描述

UCC38C4x family is a high-performance current-mode PWM controller. It is an enhanced BiCMOS version with pin-for-pin compatibility to the industry standard UC384xA family and UC384x family of PWM controllers. In addition, lower startup voltage versions of 7 V are offered as UCC38C40 and UCC38C41.

Providing necessary features to control fixed frequency, peak current-mode power supplies, this family offers the following performance advantages. The device offers high-frequency operation up to 1 MHz with low start-up and operating currents, thus minimizing start-up loss and low operating power consumption for improved efficiency. The device also features a very fast current-sense-to-output delay time of 35 ns and a ±1 A peak output current capability with improved rise and fall times for driving large external MOSFETs directly.

The UCC38C4x family is offered in 8-pin packages, MSOP (DGK), SOIC (D) and PDIP (P).

产品特性

Enhanced Replacement for UC3842A Family With Pin-to-Pin Compatibility
1-MHz Operation
50-µA Start-Up Current, 100-µA Maximum
Low Operating Current of 2.3 mA at 52 kHz
Fast 35-ns Cycle-by-Cycle Overcurrent Limiting
±1-A Peak Output Current
Rail-to-Rail Output Swings with 25-ns Rise and 20-ns Fall Times
±1% Initial Trimmed 2.5-V Error Amplifier Reference
Trimmed Oscillator Discharge Current
New Under Voltage Lockout Versions
MSOP-8 Package Minimizes Board Space
APPLICATIONS
- Switch-Mode Power Supplies
- dc-to-dc Converters
- Board Mount Power Modules

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