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UCC28220-Q1
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所属类别：ACDC-和-DCDC-电源
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产品名称：具有可编程的最大占空比的汽车类双路交错 PWM 控制器
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厂商：TI
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生产批号：10+
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封装：16SOIC, 16TSSOP
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库存状态：有库存
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库存量：6000
- 最低订购量：1
- 详细资料：
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UCC28220 is a dual-channel PWM controller from BiCMOSinterleaved. Peak current mode control is used to ensure current sharing between two channels. The precise maximum duty cycle clamp can be set to any 60% and 90% duty cycle value per channel. UCC28220 has a UVLO door opening threshold of 10 V and 12 V power supply. It boasts a shutdown threshold of 800 - V.
Other features include special circuitry to ensure that the exact same slope is added to each channel with programmable internal slope compensation. The UCC28220 is available in a small 16-pin TSSOP package.
characteristic
- Qualified automotive applications
- 2 MHz high-frequency oscillator, 1 MHz per channel operation
- Internal slope compensation circuit matching
- Programmable maximum duty cycle clamping 60% to 90% per channel
- Peak cycle-by-cycle current mode controls current limit
- Current detection is used to improve anti-interference discharge transistors
- Accurate line undervoltage and overvoltage sense with programmable hysteresis
- Optocoupler interface
- Operates on a 12-V power supply
- Programmable soft start
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apply
- High output current (50 A to 100 A) converters
- Maximum power density design
- High-efficiency 48 V input and low-output ripple converter
- High power offline, telecom and datacom power supplies
parameter
| |
UCC28220 - 1 season |
| topology |
Reverse, positive |
| Control method |
Current mode |
| Duty Cycle (Max) (%) |
90 |
| Frequency (max) (kHz) |
In 2000 |
| On/off of undervoltage lockout threshold (5) |
10.5/8.4 |
| Pin/Pack |
16SOIC，16TSSOP |
| (#) Regulated output |
2 |
| Operating Temperature Range (°C) |
-40 to 125 |
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