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AP4460 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems |
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AP4460 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems |
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6 / 18 page  [AP4460] 014012310-E-01 2015/04 - 6 - 9. Electrical Characteristics (Ta=25℃,The external Circuit is as Figure 13, unless otherwise specified.) Parameter Symbol Condition min typ max Unit Start-up Circuit Minimum input voltage to start-up operation VINSTUP Tj≧25℃ - 0.35 0.40 V Stop start-up operation (When VD is increasing) VPORH 1.8 1.9 2.0 V Restart start-up operation (When VD is decreasing) VPORL 1.7 1.8 1.9 V DC-DC Converter VVDTGT voltage VVDTGT - 4×VVDSET - V VVDTGT voltage accuracy - -5 - +5 % VVDTGT hysteresis VVDTGTHYS 0.01×VVDTGT 0.03×VVDTGT 0.05×VVDTGT V High-side on resistance RONTOP - 1.5 - Ω Low-side on resistance RONBOT - 0.6 - Ω Low-side on Time TON VVD=3.3V 2.3 4.5 6.8 μs VD pin internal consumption current IQVD VVD=3.3V (When DC-DC converter is in skip state) - 4.5 15 μA MPPT Circuit Accuracy of VVIN to activate DC-DC（Include VOSMPP） VMPPH 0.55V<set value<0.8V -5 0 +5 % VMPPH1 0.25V<set value -7 0 +7 % Accuracy of VVIN to be skip state（Include VOSMPP） VMPPL 0.40V<set value<0.7V -5 0 +5 % VMPPL1 0.25V<set value -7 0 +7 % Power Path Switch F1 switch ON resistance RF1 VD>2.5V, 20mA - 2.5 5 Ω F2 charge switch ON resistance RF2C VS1>2.5V, 2mA - 200 300 Ω F2 discharge switch ON resistance RF2D VS2>2.5V, 20mA - 2 5 Ω F3 switch ON resistance RF3 VS1>2.5V, 20mA - 2 5 Ω F1 switch ON voltage VF1ON VD pin - VVDTGTH - V F1 switch OFF voltage VF1OFF VD pin - VVDTGTH -VVDTGTHYS - V F2 charge switch ON voltage (when charging) VVS2CHG VS1 pin - 4×VVSSET ×1.03 - V F2 charge switch OFF voltage (when charging) VVS2HLD VS1 pin - 4×VVSSET ×0.97 - V F2 discharge switch ON voltage (when discharging) VVS2DCH VS1 pin - 4×VVSSET ×0.94 - V F2 discharge switch OFF voltage (when discharging) VVS2DIS VS1 pin - 4×VVLSET - V F3 switch ON voltage VVOUTEN VS1 pin - 4×VVSSET - F3 switch OFF voltage VVOUTDIS VS1 pin - 4×VVLSET ×0.97 - V F1, F2, F3 Control Voltage Accuracy - Include VVRFEF accuracy -5 0 +5 % Reference Voltage Reference Voltage Output VVREF 1.187 1.236 1.285 V Current Consumption |
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