آیسی محدود کننده فرکانس و کنترل PWM UCC28070A Extended Frequency Range (10 kHz to 300 kHz), Interleaving Continuous Conduction Mode PFC Controller TEXAS INSTRUMENTS TSSOP (20)
ویژگی ها:
تهویه مطبوع و کالاهای سفید
• برنامه های PFC با کلیدهای IGBT
• سرور با بازده بالا و منابع تغذیه رومیزی
• یکسو کننده های مخابراتی
• تجهیزات صنعتی
1 Features
1• Interleaved Average Current-Mode PWM Control
With Inherent Current Matching
• Advanced Current Synthesizer Current Sensing
for Superior Efficiency
• Highly-Linear Multiplier Output With Internal
Quantized Voltage Feed-Forward Correction for
Near-Unity PF
• Extended Range Programmable Frequency
(10 kHz to 300 kHz)
• Programmable Maximum Duty-Cycle Clamp
• Programmable Frequency Dithering Rate and
Magnitude for Enhanced EMI Reduction
– Magnitude: 3 kHz to 30 kHz
– Rate: Up to 30 kHz
• External Clock Synchronization Capability
• Enhanced Load and Line Transient Response
through Voltage Amplifier Output Slew-Rate
Correction
• Programmable Peak Current Limiting
• Bias-Supply UVLO, Overvoltage Protection,
Open‑Loop Detection, and PFC-Enable Monitoring
• External PFC-Disable Interface
• Open-Circuit Protection on VSENSE and
VINAC pins
• Programmable Soft Start
2 Applications
• Air Conditioners and White Goods
• PFC Applications With IGBT Power Switches
• High-Efficiency Server and Desktop Power
Supplies
• Telecom Rectifiers
• Industrial Equipment
3 Description
The UCC28070A device is an extended frequency
range derivative of the UCC28070 device, capable of
operating at low switching frequencies desired for
IGBT power-switch based PFC converters in highpower
applications
ماسفت قدرت N کانال 200 ولت 65 آمپر / RDS(on) = 21mΩ/ N-MOSFET; unipolar; 200V; 65A; 330W; TO247AC
میکروکنترلر 32 بیتی با فلش 128K و رم 16K با فرکانس 48مگاهرتز ARM®-based 32-bit MCU, up to 128 KB Flash, USB FS 2.0, 11 timers, ADC, communication interfaces, 2.4 - 3.6 V
رگلاتور خطی 3.3 ولت ثابت 1 آمپر اس ام دیSOT-223 3.3V,1A LOW DROPOUT VOLTAGE REGULATOR
ترانزیستور NPN ولتاژ100 ولت 15 آمپر Bipolar (BJT) Single Transistor, NPN, 100 V, 15 A, 90 W, TO-220
