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UCC28510
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Category:ACDC- and -DCDC-power supply
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Product Name:Advanced PFC/PWM combo controller
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Manufacturers:TI
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Production Batch Number:08+
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Encapsulation:20PDIP, 20SOIC
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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 UCC28510 series of combined PFC/PWM controllers provides complete control functions for any offline power required with IEC1000-3-2 harmonic reduction systems. By combining the control and drive signals of PFC and PWM stages into a single device, significant performance and cost advantages are beneficial. The ripple current in the boost capacitor is minimized by managing the two-stage mechanism of modulation (for PFC-leading modulation and PWM modulation with trailing edge).
Based on an average current mode control architecture, the input voltage is fed forward by the PFC/PWM combo controller, which provides performance benefits to these devices. Two new key features are programmable PWM maximum duty cycle and the option base PFC frequency of 2 PWM frequencies.
characteristic
- The PFC and PWM power stages are controlled in one device
- Leading edge PFC, trailing edge PWM modulation reduces ripple
- Built-in PFC and PWM sequencing turned up
- 2, Source and 3 Sink are suitable for PFC and PWM gate drive in both stages
- A typical rise time of 16 - ns and a fall time of 7 ns are 1 - NF load
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Features of PFC
- Continuous conduction mode operation for average current mode control
- High linear multiplier has a power factor of nearly 1
- Input voltage feed-forward implementation
- Improved load transient response
- Precise power limiting
- Zero power detection
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Features of PWM
- Peak current mode control operation
- 1:1 or 1:2 PFC:PWM frequency options
- Programmable maximum duty cycle
- Programmable soft-start
- Two different hold-time requirement hysteresis options
parameter
| |
UCC28510 |
| On/Off of Undervoltage Lockout Threshold (5) |
16/10 |
| Operating power supply (max) (5) |
18 |
| Starting current (mA) |
0.1 |
| Operating Supply Current (mA) |
4 |
| Actual operating frequency (max) (MHz) |
0.5 |
| Pins/Packets |
20PDIP，20SOIC |
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