AAT4620 データシートの表示（PDF） - Advanced Analogic Technologies
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AAT4620 Datasheet PDF : 15 Pages
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AAT4620
PCMCIA Current Limit Interface
and Capacitor Charger
Electrical Characteristics1
VCC = 3.0V to 5.5V, TA = -40°C to 85°C unless otherwise noted. Typical values are at TA = 25°C.
Symbol
VCC
IQ
IQU0
IQ(OFF)
ISD(OFF)
VUVLO
RDS(ON)
ILIMLACC
ILIMUACC
ILIM(MIN)
VEN(L)
VEN(H)
IEN(SINK)
TDEL(OFF)
VRDY
VRDYHYS
VRDY(L)
IRDY
OTMP
Description
Conditions
Operation Voltage
Quiescent Current
Quiescent Current U0
Off Supply Current
Off Switch Current
Under-Voltage Lockout
On-Resistance
Lower Current Limit Accuracy
Upper Current Limit Accuracy
Lower Minimum Current Limit
EN Input Low Voltage
EN Input High Voltage
EN Input Leakage
Turn-Off Delay Time
EN IL or EN IU = VCC, IOUT = 0,
RHYS = 200kΩ
EN IL = VCC, EN IU = GND, IOUT = 0,
ISET = GND, RHYS = 200kΩ
EN IL = EN IU = VCC
EN IL = EN IU = VCC, VSUPERCAP = 0
Rising edge, 1% hysteresis
VCC =4.75V, RSETL = RSETU = 0k
VCC =3.0V, RSETL = RSETU = 0k
RSETL = 249kΩ; ΔTA ≤ 20°C
RSETL = 249kΩ
RSETU = 1.24MΩ; ΔTA ≤ 20°C
RSETU = 1.24MΩ
VCC =3.0V to 5.5V2
VCC = 3.0V to 5.5V2
VEN = 5.5V
VCC = 5V
System READY Trip Threshold VOUT rising, TA = 25°C
System READY Hysteresis
System READY Voltage Low
RDY Leakage Current
Shutdown Temperature
RHYS = 200kΩ
ISINK = 1mA
VRDY < 5.5V, VOUT < 98% of VOUT
Min Typ Max Units
3.0
5.5 V
40 75 µA
40 75 µA
0.4 1.0 µA
0.4 10 µA
2.7 3.0 V
50 100 mΩ
65 120
180 200 220 mA
170 200 230
900 1000 1100
mA
850 1000 1150
75
mA
0.4 V
1.4
V
1.0 µA
0.4 1.0 µs
98
% of
VOUT
200
mV
0.4 V
1.0 µA
145
°C
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 VIN outside this range consult the Typical EN Threshold curve.
4
4620.2007.04.1.1
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