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ADP5070 Arkusz danych(PDF) 4 Page - Analog Devices |
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ADP5070 Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 28 page Data Sheet ADP5071 Rev. A | Page 3 of 27 SPECIFICATIONS PVIN1 = PVIN2 = PVINSYS = 2.85 V to 15 V, VPOS = 15 V, VNEG = −15 V, fSW = 1200 kHz, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted. Table 2. Parameter Symbol Min Typ Max Unit Test Conditions/Comments INPUT SUPPLY VOLTAGE RANGE VIN 2.85 15 V PVIN1, PVIN2, PVINSYS QUIESCENT CURRENT Operating Quiescent Current PVIN1, PVIN2, PVINSYS (Total) IQ 3.5 4.0 mA No switching, EN1 = EN2 = high, PVIN1 = PVIN2 = PVINSYS = 5 V Shutdown Current ISHDN 5 10 µA No switching, EN1 = EN2 = low, PVIN1 = PVIN2 = PVINSYS = 5 V UVLO System UVLO Threshold PVINSYS Rising VUVLO_RISING 2.8 2.85 V Falling VUVLO_FALLING 2.5 2.55 V Hysteresis VHYS_1 0.25 V OSCILLATOR CIRCUIT Switching Frequency fSW 1.130 1.200 1.270 MHz SYNC/FREQ = low 2.240 2.400 2.560 MHz SYNC/FREQ = high (connect to VREG) SYNC/FREQ Input Input Clock Range fSYNC 1.000 2.600 MHz Input Clock Minimum On Pulse Width tSYNC_MIN_ON 100 ns Input Clock Minimum Off Pulse Width tSYNC_MIN_OFF 100 ns Input Clock High Logic VH (SYNC) 1.3 V Input Clock Low Logic VL (SYNC) 0.4 V PRECISION ENABLING (EN1, EN2) High Level Threshold VTH_H 1.125 1.15 1.175 V Low Level Threshold VTH_L 1.025 1.05 1.075 V Shutdown Mode VTH_S 0.4 V Internal circuitry disabled to achieve ISHDN Pull-Down Resistance REN 1.48 MΩ INTERNAL REGULATOR VREG Output Voltage VREG 4.25 V BOOST REGULATOR Feedback Voltage VFB1 0.8 V Feedback Voltage Accuracy −0.5 +0.5 % TJ = 25°C −1.5 +1.5 % TJ = −40°C to +125°C Feedback Bias Current IFB1 0.1 µA Overvoltage Protection Threshold VOV1 0.86 V At FB1 pin Load Regulation ∆VFB1/ILOAD1 0.0003 %/mA ILOAD11 = 5 mA to 150 mA Line Regulation ∆VFB1/VPVIN1 0.002 %/V VPVIN1 = 2.85 V to 14.5 V, ILOAD11 = 50 mA Error Amplifier (EA) Transconductance gM1 270 300 330 µA/V Power FET On Resistance RDS (ON) BOOST 175 mΩ Power FET Maximum Drain Source Voltage VDS (MAX) BOOST 39 V Input Disconnect Switch On Resistance RDS (ON) INBK 210 mΩ Current-Limit Threshold ILIM (BOOST) 2.0 2.2 2.4 A Minimum On Time 50 ns Minimum Off Time 25 ns |
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