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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ADP1876ACPZ-R7 Datenblatt(PDF) 5 Page - Analog Devices |
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ADP1876ACPZ-R7 Datenblatt(HTML) 5 Page - Analog Devices |
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5 / 24 page  Data Sheet ADP1876 Rev. A | Page 5 of 24 Parameter Symbol Test Conditions/Comments Min Typ Max Unit DHx or DLx Driver RON, Sourcing Current1 RON_SOURCE Sourcing 2 A with a 100 ns pulse 2 Ω Sourcing 1 A with a 100 ns pulse, VIN = 3 V 2.3 Ω DHx or DLx Driver RON, Tempco TCRON VIN = 3 V or 12 V 0.3 %/°C DHx or DLx Driver RON, Sinking Current1 RON_SINK Sinking 2 A with a 100 ns pulse 1.5 Ω Sinking 1 A with a 100 ns pulse, VIN = 3 V 2 Ω DHx Maximum Duty Cycle fOSC = 600 kHz 76 % Minimum DHx On Time 130 ns Minimum DHx Off Time 340 ns Minimum DLx On Time 290 ns COMP VOLTAGE RANGE VCOMP 0.85 2.3 V THERMAL SHUTDOWN Thermal Shutdown Threshold TTMSD 155 °C Thermal Shutdown Hysteresis 20 °C OVERVOLTAGE AND POWER-GOOD THRESHOLDS (FBx PINS) FBx Overvoltage Threshold VOV VFB rising 0.67 0.7 0.73 V FBx Overvoltage Hysteresis 40 mV FBx Undervoltage Threshold VUV VFB rising 0.51 0.54 0.57 V FBx Undervoltage Hysteresis 30 mV FB1 TO TRK1 OFFSET VOLTAGE TRK1 = 0.3 V to 0.55 V, offset = VFB − VTRK −120 +50 mV SOFT START (SSx Pins) SSx Output Current ISS During start-up 4.6 6.5 8.4 μA SSx Pull-Down Resistor During a fault condition 1 kΩ POWER GOOD (PGOODx Pins) PGOODx Pull-up Resistor RPGOOD Internal pull-up resistor to VCCO 12.5 kΩ PGOODx Delay 12 μs Overvoltage or Undervoltage Minimum Duration This is the minimum duration required to trip the PGOODx signal 12 μs ILIM1, ILIM2 Threshold Voltage1 Relative to PGNDx −5 0 +5 mV ILIM1, ILIM2 Output Current ILIMx = PGNDx 40 50 60 μA Current Sense Blanking Period After DLx goes high, current limit is not sensed during this period 100 ns INTEGRATED RECTIFIER (BOOST DIODE) RESISTANCE At 20 mA forward current 16 Ω INDEPENDENT LOW DROPOUT LINEAR REGULATOR VINLDO Voltage Range VINLDO Input range 2.7 5.5 V VOUTLDO Voltage VOUTLDO VINLDO = 2.7 V to 5.5 V, IOUTLDO = 1 mA to 150 mA 1.47 1.5 1.53 V VOUTLDO Maximum Load VOUTLDO VINLDO = 2.7 V to 5.5 V 150 mA Quiescent Current IINLDO VINLDO = 2.7 V to 5.5 V, no load at output 30 60 μA Line Regulation ΔVOUTLDO IOUTLDO = 150 mA, VINLDO = 2.7 V to 5.5 V 0.3 % Load Regulation ΔVOUTLDO VINLDO = 2.7 V to 5.5 V, IOUTLDO = 1 mA to 150 mA 0.4 % Power Supply Rejection Ratio PSRR 1 kHz, VINDLO = 2.7 V to 5.5 V, 10 mA load 70 dB |
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