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ADP5014ACPZ-R7 数据表(PDF) 5 Page - Analog Devices |
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ADP5014ACPZ-R7 数据表(HTML) 5 Page - Analog Devices |
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5 / 34 page  Data Sheet ADP5014 Rev. A | Page 5 of 34 Parameter Symbol Min Typ Max Unit Test Conditions/Comments THERMAL SHUTDOWN Thermal Shutdown Threshold TSHDN 150 °C Thermal Shutdown Hysteresis THYS 15 °C BUCK REGULATOR SPECIFICATIONS VIN = 5 V, fSW = 1.2 MHz for all channels, TJ = −40°C to +125°C for minimum and maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted. Table 2. Parameter Symbol Min Typ Max Unit Test Conditions/Comments CHANNEL 1 SYNC BUCK REGULATOR Load Current ILOAD1 4 A Output Characteristics VFB1 Voltage Accuracy −40°C ≤ TJ ≤ +125°C VFB1 −0.6 +0.6 % VSET1 = VREF −1.0 +1.0 % VSET1 = ½ × VREF Feedback Bias Current IFB1 0.1 µA VSET1 Bias Current IVSET1 0.1 μA SW1 Pin High-Side Power Field Effect Transistor (FET) On Resistance RDS(ON)1H 49 80 mΩ Pin to pin measurement Low-Side Power FET On Resistance RDS(ON)1L 37 60 mΩ Pin to pin measurement Current-Limit Threshold ITH(ILIM1) 5.2 6.9 8.6 A RCFG1 = 0 kΩ 2.5 3.5 4.5 A RCFG1 = 17.8 kΩ Minimum On Time tMIN_ON1 60 90 ns fSW = 500 kHz to 2.5 MHz Minimum Off Time tMIN_OFF1 50 80 ns fSW = 500 kHz to 2.5 MHz Error Amplifier, COMP1 Pin EA Transconductance gm1 700 800 900 µS Soft Start Time tSS1 2 ms Timer ×1 option 16 ms Timer ×8 option Programmable Soft Start Range 2 16 ms Hiccup Time tHICCUP1 7 × tSS1 ms COUT Discharge Switch On Resistance RDIS1 85 Ω CHANNEL 2 SYNC BUCK REGULATOR Load Current ILOAD2 4 A Output Characteristics VFB2 Voltage Accuracy −40°C ≤ TJ ≤ +125°C VFB2 −0.6 +0.6 % VSET2 = VREF −1.0 +1.0 % VSET2 = ½ × VREF Feedback Bias Current IFB2 0.1 µA VSET2 Bias Current IVSET2 0.1 µA SW2 Pin High-Side Power FET On Resistance RDS(ON)2H 49 80 mΩ Pin to pin measurement Low-Side Power FET On Resistance RDS(ON)2L 37 60 mΩ Pin to pin measurement Current-Limit Threshold ITH(ILIM2) 5.2 6.9 8.6 A RCFG1 = 0 kΩ 2.5 3.5 4.5 A RCFG1 = 17.8 kΩ Minimum On Time tMIN_ON2 60 90 ns fSW = 500 kHz to 2.5 MHz Minimum Off Time tMIN_OFF2 50 80 ns fSW = 500 kHz to 2.5 MHz Error Amplifier, COMP2 Pin Transconductance gm2 700 800 900 µS |
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