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ZL6105ALAF Datasheet(PDF) 1 Page - Intersil Corporation |
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ZL6105ALAF Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 35 page 1 Digital DC/DC Controller with Drivers and Auto Compensation ZL6105 The ZL6105 is a digital power controller with integrated MOSFET drivers. Auto compensation eliminates the need for manual compensation design work. Adaptive performance optimization algorithms improve power conversion efficiency. Zilker Labs Digital-DC™ technology enables a blend of power conversion performance and power management features. The ZL6105 is designed to be a flexible building block for DC power and can be easily adapted to designs ranging from a single-phase power supply operating from a 3.3V to a multiphase current sharing supply operating from a 12V input. The ZL6105 eliminates the need for complicated power supply managers as well as numerous external discrete components. The ZL6105 uses the I2C/SMBus™ with PMBus™ protocol for communication with a host controller and the Digital-DC bus for communication between Zilker Labs devices. The ZL6105 is pin for pin compatible with the ZL2008. The POLA VOUT table and compensation table have been removed. A new single resistor VOUT table and the Auto Compensation feature have been added. Related Literature • AN2032, “NLR Configuration for DDC Products” • AN2033, “Zilker Labs PMBus Command Set - DDC Products” • AN2034, “Configuring Current Sharing on the ZL2004 and ZL2006” • AN2035, “Compensation Using CompZL™” Features Power Conversion • Efficient Synchronous Buck Controller • Auto Compensating PID Filter • Adaptive Light Load Efficiency Optimization • 3V to 14V Input Range • 0.54V to 5.5V Output Range (with margin) • ±1% Output Voltage Accuracy • Internal 3A MOSFET Drivers • Fast Load Transient Response • Current Sharing and Phase Interleaving • Snapshot™ Parameter Capture •Pb-Free (RoHs Compliant) Power Management • Digital Soft-start/stop • Power-Good/Enable •Voltage Tracking, Sequencing and Margining • Voltage, Current and Temperature Monitoring •I2C/SMBus Interface, PMBus Compatible • Output Voltage and Current Protection • Internal Non-volatile Memory (NVM) Applications • Servers/Storage Equipment • Telecom/Datacom Equipment • Power Supply Modules CURRENT SENSE LDO TEMP SENSOR V SS VTRK MGN VR VDD BST GH SW ISENA ISENB POWER DRIVER XTEMP PWM GL I2C SCL SDA SALRT SA MANAGEMENT EN PG CFG UVLO PH_EN ILIM FC MONITOR CONTROLLER V25 SYNC VSEN+ PGND SGND DGND ADC NON- VOLATILE MEMORY DDC VSEN- FIGURE 1. BLOCK DIAGRAM Load Current (A) 65 70 80 75 85 95 90 100 2 14 0 6 4 812 10 60 55 50 16 18 20 VIN = 12V fSW = 400kHz Circuit of Figure 4 VOUT = 3.3V VOUT = 1.5V FIGURE 2. EFFICIENCY vs LOAD CURRENT 3 December 19, 2013 FN6906.5 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011-2013. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
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