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XRP7725EVB-DEMO-1-KIT Datasheet(PDF) 5 Page - Exar Corporation |
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XRP7725EVB-DEMO-1-KIT Datasheet(HTML) 5 Page - Exar Corporation |
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5 / 34 page  © 2014 Exar Corporation CURRENT AND AUX ADC (MONITORING Parameter Min. Typ. Current Sense Accuracy -3.75 ±1.25 -10 -5 ±2.5 -12.5 Current Sense ADC INL ± DNL 0.27 Current Limit Set Point Resolution and Current Sense ADC Resolution 1.25 2.5 Current Sense ADC Range -120 -280 VOUT ADC Resolution 15 30 60 VOUT ADC Accuracy -1 VCC ADC Range 4.6 UVLO WARN SET 4.4 UVLO WARN CLEAR 4.4 UVLO FAULT SET (Note 3) 4.2 VCC ADC Resolution 200 VCC ADC Accuracy -1 Die Temp ADC Resolution Die Temp ADC Range -44 Note 2: Although Range of VCC ADC is 0V to 25V, Note 3: This test ensures an UVLO FAULT flag will be given before the LDO5 hardware UVLO trips. LINEAR REGULATORS Parameter Min. LDO5 Output Voltage 4.85 LDO5 Current Limit 135 LDO5 UVLO 4.74 LDO5 PGOOD Hysteresis LDO5 Bypass Switch Resistance Bypass Switch Activation Threshold 2.5 Bypass Switch Activation Hysteresis LDO3_3 Output Voltage 3.15 LDO3_3 Current Limit 53 Maximum total LDO loading during ENABLE start-up I In ntte ell N No od de e M Ma an na ag ge er r C Co om mp pa attiib blle e P Po ow we er r M Ma an na a 5/34 ONITORING ADCS) Typ. Max. Units Conditions ±1.25 3.75 mV Low Range (≤120mV) -60mV applied 10 mV • ±2.5 5 mV High Range (≤280mV) -150mV +12.5 mV • ±0.4 LSB 0.27 1.25 mV Low Range (≤120mV) 2.5 mV High Range (≤280mV) 20 mV Low Range (≤120mV) 40 High Range (≤280mV) 15 30 60 mV Low Range Mid Range High Range 1 LSB 25 V Note 2 4.72 V UVLO WARN set point 4.6V, 4.72 V UVLO WARN set point 4.6V, 4.55 V UVLO FAULT set point 4.4V, 200 mV 1 LSB Vin <= 20V 5 °C 156 °C Output value is in Kelvin ADC is 0V to 25V, operation below 4.55 is not supported. : This test ensures an UVLO FAULT flag will be given before the LDO5 hardware UVLO trips. Typ. Max. Units Conditions 5.0 5.15 V • 5.5V ≤ VCC ≤ 25 0mA < ILDO5OUT 155 180 mA • LDO5 Fault Set V • VCC Rising 375 mV VCC Falling 1.1 1.5 2.5 % • V5EXT Rising, % of threshold setting 150 mV V5EXT Falling 3.3 3.45 V • 4.6V ≤ LDO5 ≤ 0mA < ILDO3_3OUT 85 mA • LDO3_3 Fault Set 30 mA ENABLE transition from logic low to high. Once LDO5 in regulation above limits apply. X XR RP P7 77 72 25 5 e e P Pr ro og gr ra am mm ma ab blle e a ag ge em me en ntt S Sy ys stte em m Rev. 1.0.0 Conditions UVLO WARN set point 4.6V, VCC =LDO5 UVLO WARN set point 4.6V, VCC =LDO5 UVLO FAULT set point 4.4V, VCC =LDO5 Output value is in Kelvin Conditions ≤ 25V OUT < 130mA, LDO3_3 Off LDO5 Fault Set , % of threshold setting ≤ LDO5 ≤ 5.5V LDO3_3OUT < 50mA LDO3_3 Fault Set ENABLE transition from logic low to high. Once LDO5 in regulation above |
Similar Part No. - XRP7725EVB-DEMO-1-KIT |
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Similar Description - XRP7725EVB-DEMO-1-KIT |
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