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UCD3138A64 Folha de dados(PDF) 1 Page - Texas Instruments |
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UCD3138A64 Folha de dados(HTML) 1 Page - Texas Instruments |
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1 / 80 page  UCD3138A64 UCD3138128 Best in Class Firmware Development Tools Advanced Configuration & Debug Tools Advanced Topology Control + Forward, Flyback, Half-bridge, etc... Q1 Q3 Q2 Q4 VIN n1 LM n2 n2 SR2 SR1 L0 C0 Q1 CR LM LK Q2 VIN Transformer CO Q4 Q3 LR esr Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UCD3138128, UCD3138A64 SLUSBZ8A – JUNE 2014 – REVISED SEPTEMBER 2014 UCD3138x Highly-Integrated Digital Controller For Isolated Power 1 Features – Low IC Standby Power • Primary Side Voltage Sensing 1 • 64 kB and 128 kB Program Flash Derivative of UCD3138 Family • Current Share (Average & Master/Slave) – 2-32 kB or 4-32 kB Program Flash Memory • Feature Rich Fault Protection Options Banks – 7 Analog / 4 Digital Comparators, – Supports Execution From 1 Bank, While – Cycle-by-Cycle Current Limiting Programming Another – Programmable Blanking Time and Fault – Capability to Update Firmware Without Counting Shutting Down the Power Supply – External Fault Inputs – Additional Communication Ports Compared to • Synchronization of DPWM Waveforms Between the UCD3138 (+1 SPI, +1 I2C) Multiple UCD3138x Devices – Boot Flash Based Dual Memory Image • 15 channel, 12 bit, 267 ksps General Purpose Support for ‘On the Fly’ Firmware Updates ADC • Digital Control of up to 3 Independent Feedback • Internal Temperature Sensor Loops • Fully Programmable High-Performance 31.25 – Dedicated PID Based Hardware MHz, 32-bit ARM7TDMI-S Processor – 2-pole/2-zero Configurable, Non-Linear Control – 64 kB Program Flash (2-32 kB Banks) • Up to 16 MSPS Error A/D Converter (EADC) – 2 kB Data Flash with ECC – Configurable Resolution (min: 1mV/LSB) – 8 kB Data RAM – Up to 8x Oversampling and Adaptive Sample – 4 kB Boot ROM Enables Firmware Boot-Load Positioning • Communication Peripherals, – Hardware Based Averaging (up to 8x) – 2 - I2C/PMBus interfaces – 14 bit Effective Reference DAC – 2 - UARTs, 1 - SPI • Up to 8 High Resolution Digital Pulse Width • Timer Capture with Selectable Input Pins Modulated (DPWM) Outputs • 80-pin QFP Package – 250 ps Pulse Width Resolution • Operating Temperature: –40°C to 125°C – 4 ns Frequency and Phase Resolution – Adjustable Phase Shift and Dead-bands 2 Applications – Cycle-by-Cycle Duty Cycle Matching • Power Supplies and Telecom Rectifiers – Up to 2 MHz Switching Frequency • Power Factor Correction • Configurable Trailing/Leading/Triangular • Isolated DC-DC Modules Modulation • Phase Shifted Full Bridge with Peak Current Mode • RTC support Control, LLC, HSFB, Forward, etc. • Configurable Feedback Control Typical Applications and Tools – Voltage, Average Current and Peak Current Mode Control – Constant Current, Constant Power • Configurable FM, Phase Shift Modulation and PWM • Fast, Automatic and Smooth Mode Switching – Frequency Modulation and PWM – Phase Shift Modulation and PWM • High Efficiency and Light Load Management – Burst Mode & Ideal Diode Emulation – Synchronous Rectifier Soft On/Off 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Nº de peça semelhante - UCD3138A64 |
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Descrição semelhante - UCD3138A64 |
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