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ZY7007HG-T3 Datasheet(PDF) 3 Page - Power-One |
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ZY7007HG-T3 Datasheet(HTML) 3 Page - Power-One |
3 / 35 page ZY7007 7A DC-DC Intelligent POL Data Sheet 3V to 14V Input • 0.5V to 5.5V Output 4. Electrical Specifications Specifications apply at the input voltage from 3V to 14V, output load from 0 to 7A, ambient temperature from -40°C to 85°C, 100 μF output capacitance, and default performance parameters settings unless otherwise noted. 4.1 Input Specifications Parameter Conditions/Description Min Nom Max Units Input voltage (VIN) At VIN<4.75V, VLDO pin needs to be connected to an external voltage source higher than 4.75V 3 14 VDC Input Current (at no load) VIN≥4.75V, VLDO pin connected to VIN 50 mADC Undervoltage Lockout (VLDO connected to VIN) Ramping Up Ramping Down 4.2 3.75 VDC VDC Undervoltage Lockout (VLDO connected to VAUX=5V) Ramping Up Ramping Down 3.0 2.5 VDC VDC External Low Voltage Supply Connect to VLDO pin when VIN<4.75V 4.75 14 VDC VLDO Input Current Current drawn from the external low voltage supply at VLDO=5V 50 mADC 4.2 Output Specifications Parameter Conditions/Description Min Nom Max Units Output Voltage Range (VOUT) Programmable 1 Default (no programming) 0.5 0.5 5.5 VDC VDC Output Voltage Setpoint Accuracy VIN=12V, IOUT=0.5*IOUT MAX, FSW=500kHz, room temperature (See Ordering Information) Output Current (IOUT) VIN MIN to VIN MAX -7 2 7 ADC Line Regulation VIN MIN to VIN MAX ±0.3 %VOUT Load Regulation 0 to IOUT MAX ±0.3 %VOUT Dynamic Regulation Peak Deviation Settling Time Slew rate 2.5A/ μs, 50 - 100% load step COUT=220μF, FSW=1MHz to 10% of peak deviation 50 50 mV μs Output Voltage Peak-to-Peak Ripple and Noise BW=20MHz Full Load VIN=5.0V, VOUT=0.5V, FSW=500kHz VIN=5.0V, VOUT=2.5V, FSW=500kHz VIN=13.2V, VOUT=0.5V, FSW=500kHz VIN=13.2V, VOUT=2.5V, FSW=500kHz VIN=13.2V, VOUT=5.0V, FSW=500kHz VIN=13.2V, VOUT=5.0V, FSW=1MHz 15 15 20 25 40 20 mV mV mV mV mV mV Temperature Coefficient VIN=12V, IOUT=0.5*IOUT MAX 20 ppm/°C Switching Frequency Default Programmable, 250kHz steps 500 500 1,000 kHz kHz Duty Cycle Limit Default Programmable, 1.56% steps 0 90.5 95 % % 1 ZY7007 is a step-down converter, thus the output voltage is always lower than the input voltage as show in Figure 1. 2 At the negative output current (bus terminator mode) efficiency of the ZY7007 degrades resulting in increased internal power dissipation. Therefore maximum allowable negative current under specific conditions is 20% lower than the current determined from the derating curves shown in paragraph 5.5. ZD-00245 REV. 2.5 www.power-one.com Page 3 of 35 |
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