- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：交流/直流和隔离式直流/直流开关稳压器 - PWM 控制器
- 功能描述：具有 12.5V/8.3V UVLO、可编程占空比、温度范围为 –40°C 至 85°C 的经济型低功耗 BICMOS 1MHz 电流模式 PWM
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The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and dc-to-dc fixed frequency current mode switching power supplies with minimal external parts count.
These devices are similar to the UCC3800 family, but with the added feature of a user programmable maximum duty cycle. Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The UCC3807 family also features internal full cycle soft start and internal leading edge blanking of the current sense input.
The UCC3807 family offers a variety of package options, temperature range options, and choice of critical voltage levels. The family has UVLO thresholds and hysteresis levels for off-line and battery powered systems. Thresholds are shown in the table below.
- User Programmable Maximum PWM Duty Cycle
- 100-A Startup Current
- Operation to 1 MHz
- Internal Full Cycle Soft Start
- Internal Leading Edge Blanking of Current Sense Signal
- 1-A Totem Pole Output
- Topology
- Boost, Flyback, Forward
- Duty cycle (Max) (%)
- 78
- Supply voltage (Max) (V)
- 13.5
- UVLO thresholds on/off (V)
- 12.5/8.3
- Features
- Adjustable Switching Frequency, Error Amplifier, Leading Edge Blanking, Multi-topology, Programmable Max Duty Cycle, Soft Start
- Operating temperature range (C)
- -40 to 85
- Rating
- Catalog
- Frequency (Max) (kHz)
- 1000
- Gate drive (Typ) (A)
- 1
UCC2807-2的完整型号有：UCC2807D-2、UCC2807DTR-2，以下是这些产品的关键参数及官网采购报价：
UCC2807D-2，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCC2807D-2的批量USD价格：2.254（1000+）
UCC2807DTR-2，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCC2807DTR-2的批量USD价格：1.907（1000+）
UCC2807D-2，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCC2807D-2的批量USD价格：2.254（1000+）
UCC2807DTR-2，工作温度：-40 to 85，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCC2807DTR-2的批量USD价格：1.907（1000+）
