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UCC28220-Q1
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Category:ACDC- and -DCDC-power supply
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Product Name:Automotive dual interleaved PWM controller with programmable maximum duty cycle
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Manufacturers:TI
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Production Batch Number:10+
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Encapsulation:16SOIC, 16TSSOP
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Stock Status:There is stock
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Stock Quantity:6000
- Minimum order quantity: 1
- Details:
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The UCC28220 is a BiCMOSinterleaved's dual-channel PWM controller. 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 for each channel. The UCC28220 has a UVLO door opening threshold of 10 V and a 12 V power supply. It has a shutdown threshold of 800 - V.
Other features include having special circuitry to ensure that identical ramps are added to each channel with programmable internal slope compensation. The UCC28220 is available in a 16-pin small outline 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 sensing is used to improve anti-interference discharge transistors
- Accurate line undervoltage and overvoltage sensing and programmable hysteresis
- Optocoupler interface
- Operates from a 12-V power supply
- Programmable soft-start
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apply
- High output current (50 A to 100 A) converter
- Maximum power density design
- High efficiency 48 V input and low output ripple converter
- High power off-line, telecom and datacom power supplies
parameter
| |
UCC28220 - Season 1 |
| topology |
Reverse, forward |
| Control method |
Current mode |
| Duty cycle (max.) (%) |
90 |
| Frequency (max) (khertz) |
In 2000 |
| On/Off of Undervoltage Lockout Threshold (5) |
10.5/8.4 |
| Pins/Packets |
16SOIC，16TSSOP |
| (#) Regulated output |
2 |
| Operating temperature range(°C) |
-40 to 125 |
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