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ADP3806 Datasheet(PDF) 2 Page - Analog Devices |
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ADP3806 Datasheet(HTML) 2 Page - Analog Devices |
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2 / 16 page  REV. B –2– ADP3806–SPECIFICATIONS1 (@ 0 C £ T A £ 100 C, VCC = 16 V, unless otherwise noted.) Parameter Conditions Symbol Min Typ Max Unit BATTERY SENSE INPUT ADP3806-12.6 V and 16.8 V ADP3806-12.525 V and 16.7 V TA = 25 ∞C, 13 V £ VCC £ 20 V VBAT –0.4 +0.4 % 5 ∞C £ TA £ 55∞CVBAT –0.6 +0.6 % 0 ∞C £ TA £ 85∞CVBAT –0.7 +0.7 % Input Resistance Part in Operation RBAT 250 350 k W Input Current Part in Shutdown IBAT(SD) 0.2 1.0 mA BATTERY SENSE INPUT ADP3806 VBAT = 2.5 V TA = 25 ∞C, 13 V £ VCC £ 20 V VBAT –0.5 +0.5 % 0 ∞C £ TA £ 85∞CVBAT –0.7 +0.7 % Input Current Operating BATSEL = Open, Part in Operation 0.2 1.0 mA Input Current Shutdown BATSEL = 100 k W to GND, Part in Shutdown 0.2 1.0 mA OSCILLATOR Maximum Frequency 2 fCT 1000 kHz Frequency Variation 3 CT = 180 pF fCT 210 250 290 kHz CT Charge Current ICT 125 150 175 mA 0% Duty Cycle Threshold @ COMP Pin 1.0 V Maximum Duty Cycle Threshold @ COMP Pin 2.5 V SYNC Input High SYNCH 2.2 V SYNC Input Low SYNCL 0.8 V SYNC Input Current ISYNC 0.2 1.0 mA GATE DRIVE On Resistance IL = 10 mA RON 610 W Rise, Fall Time CL = 1 nF, DRVL and DRVH tr, tf 35 ns Overlap Protection Delay DRVL Falling to DRVH Rising, tOP 50 ns DRVH Falling to DRVL Rising SW Bias Current Part in Shutdown, VSW = 12.6 V 0.2 1.0 mA BST Cap Refresh Threshold VBST – VSW 3.7 V CURRENT SENSE AMPLIFIER Input Common-Mode Range VCS+ and VCS– VCS(CM) 0.0 VCC + 0.3 V Input Differential Mode Range VCS 4 VCS(DM) 0.0 160 mV Input Offset Voltage 5 0 V £ VCS(CM) £ VCC VCS(VOS) 1.0 mV Gain 5 25 V/V Input Bias Current 0 V £ VCS(CM) £ VCC, Part in Operation VCS(IB) 50 100 mA Input Offset Current 0 V £ VCS(CM) £ VCC VCS(IOS) 1.0 2.0 mA Input Bias Current Part in Shutdown 0.2 1.0 mA DRVL Shutdown Threshold Measured between VCS+ and VCS– VCS(SD)48 mV SYSTEM CURRENT SENSE 6 Input Common-Mode Range SYS+ and SYS–, IL = 0 mA, VISYS = 3 V VSYS(CM) 4.0 VCC + 0.3 V Input Differential Range (VSYS+) – (VSYS–)VSYS(DM) 0 100 mV Input Offset Voltage 0.5 mV Input Bias Current, SYS+ VSYS(DM) = 0 V, VSYS(CM) = 16 V IB(SYS+) 200 300 mA Input Bias Current, SYS– VSYS(DM) = 0 V, VSYS(CM) = 16 V IB(SYS–) 70 125 mA Voltage Gain 10 V £ VSYS(CM) £ VCC + 0.3 V, IL = 100 mA 48.5 50 51.5 V/V Output Range IL = 1 mA 7, V SYS(CM) > 6 V VISYS 0 5.0 V Limit Output Threshold VLIMIT £ 0.2 V, 50 kW Pull-up to 5 V VTH(LIMIT) 2.3 2.5 2.7 V Limit Output Voltage VISYS > 2.65 V, ISINK = 700 mAVO(LIMIT) 0.1 0.2 V ISET INPUT Charge Current Programming Function 0.0 V < VISET £ 4.0 V VISET/VCS 25 V/V Programming Function Accuracy VISET = 4.0 V, 1 V £ VCS(CM) £ 16 V –5 ±1.0 +5 % VISET = 0.50 V, 1 V £ VCS(CM) £ 10 V –30 ±10 +30 % 5 ∞C £ TA £ 55∞C, VISET = 206 mV, –46.7 +33 % VCS(CM) = 5 V and 10 V ISET Bias Current 0.0 V £ VISET £ 4.0 V IB 0.2 1.0 mA |
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