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UZXYY Folha de dados(PDF) 4 Page - Advanced Analogic Technologies |
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UZXYY Folha de dados(HTML) 4 Page - Advanced Analogic Technologies |
4 / 15 page Electrical Characteristics 1 V CC = 3.0V to 5.5V, TA = -40°C to 85°C unless otherwise noted. Typical values are at TA = 25°C. Symbol Description Conditions Min Typ Max Units V CC Operation Voltage 3.0 5.5 V I Q Quiescent Current EN IL or EN IU = V CC, IOUT = 0, 40 75 µA R HYS = 200kΩ I QU0 Quiescent Current U 0 EN IL = V CC, EN IU = GND, IOUT = 0, I SET = GND, RHYS = 200kΩ 40 75 µA I Q(OFF) Off Supply Current EN IL = EN IU = V CC 0.4 1.0 µA I SD(OFF) Off Switch Current EN IL = EN IU = V CC, VSUPERCAP = 0 0.4 10 µA V UVLO Under-Voltage Lockout Rising edge, 1% hysteresis 2.7 3.0 V R DS(ON) On-Resistance V CC =4.75V, RSETL = RSETU = 0k 50 100 m Ω V CC =3.0V, RSETL = RSETU = 0k 65 120 I LIMLACC Lower Current Limit Accuracy R SETL = 249kΩ; ΔTA ≤ 20°C 180 200 220 mA R SETL = 249kΩ 170 200 230 I LIMUACC Upper Current Limit Accuracy R SETU = 1.24MΩ; ΔTA ≤ 20°C 900 1000 1100 mA R SETU = 1.24MΩ 850 1000 1150 I LIM(MIN) Lower Minimum Current Limit 75 mA V EN(L) EN Input Low Voltage V CC =3.0V to 5.5V 2 0.4 V V EN(H) EN Input High Voltage V CC = 3.0V to 5.5V 2 1.4 V I EN(SINK) EN Input Leakage V EN = 5.5V 1.0 µA T DEL(OFF) Turn-Off Delay Time V CC = 5V 0.4 1.0 µs V RDY System READY Trip Threshold V OUT rising, TA = 25°C 98 % of V OUT V RDYHYS System READY Hysteresis R HYS = 200kΩ 200 mV V RDY(L) System READY Voltage Low I SINK = 1mA 0.4 V I RDY RDY Leakage Current V RDY < 5.5V, VOUT < 98% of VOUT 1.0 µA OTMP Shutdown Temperature 145 °C AAT4620 PCMCIA Current Limit Interface and Capacitor Charger 4 4620.2007.04.1.1 1. The AAT4620 is guaranteed to meet performance specification over the -40°C to 85°C operating temperature range and is assured by design, characterization and correlation with statistical process controls. 2. For V IN outside this range consult the Typical EN Threshold curve. |
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