UCC2895-EP - 增强型产品 Bicmos 高级相移 Pwm 控制器

UCC2895-EP是TI德州仪器公司的一款PWM与谐振控制器产品，UCC2895-EP是增强型产品 Bicmos 高级相移 Pwm 控制器，本站介绍了UCC2895-EP的封装应用图解、特点和优点、功能等，并给出了与UCC2895-EP相关的TI元器件型号供参考。

UCC2895-EP - 增强型产品 Bicmos 高级相移 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

The UCC2895-EP is a phase-shift pulse-width modulation (PWM) controller that implements control of a full-bridge power stage by phase shifting the switching of one half bridge with respect to the other. It allows constant frequency PWM in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The device can be used either as a voltage-mode or current-mode controller.

While the UCC2895-EP maintains the functionality of the UC2875/6/7/8 family, it improves on that controller family with additional features, such as enhanced control logic, adaptive delay set, and shutdown capability. Since the device is built in BCDMOS, it operates with dramatically less supply current than its bipolar counterparts. The UCC2895-EP can operate with a maximum clock frequency of 1 MHz.

The M-temp UCC2895-EP device is offered in the 20-pin SOIC (DW) package.

产品特性

Programmable Output Turn-On Delay
Adaptive Delay Set
Bidirectional Oscillator Synchronization
Capability for Voltage-Mode or Current-Mode Control
Programmable Soft Start/Soft Stop and Chip Disable Via a Single Pin
0% to 100% Duty-Cycle Control
7-MHz Error Amplifier
Operation to 1 MHz
Low Active Current Consumption (5 mA Typ at 500 kHz)
Very Low Current Consumption During Undervoltage Lock Out (150 µA Typ)
SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Military (–55°C/125°C) Temperature Range(1)
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability

(1) Additional temperature ranges available - contact factory

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