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ADP2389-EVALZ Arkusz danych(PDF) 4 Page - Analog Devices |
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ADP2389-EVALZ Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 23 page ADP2389/ADP2390 Data Sheet SPECIFICATIONS VPVIN = VVIN = 12 V, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted. Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Units SUPPLY VOLTAGE (PVIN AND VIN) PVIN Voltage Range VPVIN 4.5 18 V VIN Voltage Range VVIN 4.5 18 V Quiescent Current IQ No switching 1.16 1.5 mA Shutdown Current ISHDN EN = GND 7.5 20 µA VIN Undervoltage Lockout Threshold UVLO VIN rising 4.2 4.4 V VIN falling 3.5 3.7 V FEEDBACK (FB) FB Regulation Voltage VFB 0°C < TJ < 85°C 0.597 0.6 0.603 V −40°C < TJ < +125°C 0.594 0.6 0.606 V FB Bias Current IFB 0.01 0.1 µA ERROR AMPLIFIER (EA) Transconductance gm 450 500 550 µS EA Source Current ISOURCE 40 50 60 µA EA Sink Current ISINK 40 50 60 µA INTERNAL REGULATOR (VREG) VREG Voltage VVREG IVREG = 10 mA 4.8 5 5.2 V Dropout Voltage IVREG = 50 mA 355 mV Regulator Current Limit 100 mA SWITCH NODE (SW) On Resistance1 High-Side RDSON_H VBOOT = 5 V 17 30 mΩ Low-Side RDSON_L VVREG = 5 V 4.5 9 mΩ SW Minimum On Time2 tMIN_ON 100 ns SW Minimum Off Time2 tMIN_OFF 150 ns CURRENT LIMIT ILIM Voltage VILIM 0.592 V ILIM Current Range IILIM 1.8 12 µA High-Side Peak Current Limit IOCP RILIM = 59 kΩ 15 16.8 18.6 A Low-Side Negative Current Limit2 4 A BST Bootstrap Voltage VBOOT 4.6 5 5.4 V OSCILLATOR (RT) Switching Frequency fSW RT = 100 kΩ 540 600 660 kHz Switching Frequency Range 200 2200 kHz FAST TRANSIENT WINDOW (FTW) Fast Transient Response Window RFTW = 100 kΩ ±2 % Minimum Fast Transient Response Window2 ±1 % SS SS Pin Pull-Up Current ISS 2.7 3.4 4.1 µA Rev. 0 | Page 4 of 23 |
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