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UCC2805-Q1
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UCC2805-Q1

  • 所属类别:ACDC-和-DCDC-电源
  • 产品名称:汽车类低功耗 BiCMOS 电流模式 PWM
  • 厂商:TI
  • 生产批号:10+
  • 封装:8SOIC
  • 库存状态:有库存
  • 库存量:6000
  • 最低订购量:1
  • 详细资料:点击查找UCC2805-Q1的pdf资料
  • 点击询价
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  • Product Introduction

The high-speed, low-power integrated circuit contains all the control and driver components needed for off-line and DC-to-DC fixed-frequency current-mode switching power supplies for UCC2800/1/2/3/4/5 homes with minimal parts.

These devices feature the same pinout configuration as the UC2842/3/4/5 series, but also offer internal full-cycle soft-start and internally leading current-sense input blanking value-added capabilities.

This UCC2800/1/2/3/4/5 home offers a choice of maximum duty cycle and voltage level is essential. For example UCC2803 with UCC2805 reference parts are best used in battery-powered systems, while higher reference and UCC2802 with higher UVLO hysteresis UCC2804 are ideal for use in offline power supplies.

characteristic
 
  • Qualified automotive applications
  • Electrostatic protection over 200 V using machine models (C=200 pF, R=0)
  • 100μA typical supply current start-up
  • Typical operating current of 500μA
  • Operates up to 1MHz
  • Internal soft start
  • Internal soft start failure
  • Built-in current sense signal with cutting-edge blanking
  • 1 amp totem pole output
  • Typical gate drive output response from 70 ns current-sensed
  • 1.5% tolerance voltage reference
  • The same pin is the sum UC3842A of UC3842
parameter
  UCC2805 - 1 season
Control method Current mode
Duty Cycle (Max) (%) 50
Frequency (max) (kHz) 1000
On/off of undervoltage lockout threshold (5) 4.1/3.6
Pin/Pack 8SOIC
(#) Regulated output One
Operating Temperature Range (°C) -40 to 125

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