- 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：具有可编程最大占空比 10V/8V UVLO 的汽车类双路交错式 2MHz PWM 控制器
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The UCC28220 is a BiCMOSinterleaved dual-channel PWM controller. Peak current mode control is used to ensure current sharing between the two channels. A precise maximum duty cycle clamp can be set to any value between 60% and 90% duty cycle per channel. UCC28220 has an UVLO turn-on threshold of 10 V for use in 12-V supplies. It has 8-V turn-off threshold.
Additional features include a programmable internal slope compensation with a special circuit that ensures exactly the same slope is added to each channel. The UCC28220 is available in a 16-pin low-profile TSSOP package.
- Qualified for Automotive Applications
- 2-MHz High-Frequency Oscillator With 1-MHz Operation Per Channel
- Matched Internal Slope Compensation Circuits
- Programmable Maximum Duty Cycle Clamp 60% to 90% Per Channel
- Peak Current Mode Control With Cycle-by-Cycle Current Limit
- Current Sense Discharge Transistor for Improved Noise Immunity
- Accurate Line Undervoltage and Overvoltage Sense With Programmable Hysteresis
- Opto-Coupler Interface
- Operates From 12-V Supply
- Programmable Soft-Start
- APPLICATIONS
- High Output Current (50 A to 100 A) Converters
- Maximum Power Density Designs
- High-Efficiency 48-V Input with Low-Output Ripple Converters
- High-Power Offline, Telecom, and Datacom Power Supplies
PowerPAD is a trademark of Texas Instruments.
- Topology
- Flyback, Forward
- Duty cycle (Max) (%)
- 90
- Supply voltage (Max) (V)
- 14.5
- UVLO thresholds on/off (V)
- 10.5/8.4
- Features
- Adjustable Switching Frequency, Current Limiting, Input Line Monitor, Multi-topology, Programmable Max Duty Cycle, Programmable Slope Compensation, Soft Start
- Operating temperature range (C)
- -40 to 125
- Rating
- Automotive
- Frequency (Max) (kHz)
- 2000
- Gate drive (Typ) (A)
- 0.01
UCC28220-Q1的完整型号有：UCC28220QDRQ1、UCC28220QPWRQ1，以下是这些产品的关键参数及官网采购报价：
UCC28220QDRQ1，工作温度：-40 to 125，封装：SOIC (D)-16，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网UCC28220QDRQ1的批量USD价格：2.072（1000+）
UCC28220QPWRQ1，工作温度：-40 to 125，封装：TSSOP (PW)-16，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网UCC28220QPWRQ1的批量USD价格：2.072（1000+）
UCC28220QDRQ1，工作温度：-40 to 125，封装：SOIC (D)-16，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网UCC28220QDRQ1的批量USD价格：2.072（1000+）
UCC28220QPWRQ1，工作温度：-40 to 125，封装：TSSOP (PW)-16，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网UCC28220QPWRQ1的批量USD价格：2.072（1000+）
