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AAT4621_12 Datasheet, PDF (5/17 Pages) Skyworks Solutions Inc. – PC Card Current Limit Interface and Capacitor Charger
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DATA SHEET
AAT4621
PC Card 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 Description
AAT4621-1
VCC
IQ
IQ(OFF)
ISD(OFF)
VUVLO
Operation Voltage
Quiescent Current
Off Supply Current
Off Switch Current
Under-Voltage Lockout
Hysteresis
RDS(ON) On-Resistance
ILIMACC Lower Current Limit Accuracy
ILIMACC
ILIM(MIN)
VEN(L)
VEN(H)
IEN(SINK)
TDEL(OFF)
VRDY
VRDYHYS
VRDY(L)
IRDY
OTMP
Upper Current Limit Accuracy
Minimum Current Limit
EN Input Low Voltage, VENLU
EN Input Low Voltage, VENLL
EN Input High Voltage, VENHU
EN Input High Voltage, VENHL
EN Input Leakage
Turn-Off Delay Time
System Ready Trip Threshold
System Ready Hysteresis
System Ready Voltage Low
RDY_ Leakage Current
Shutdown Temperature
Conditions
ENIL or ENIU = 0V, IOUT = 0; RHYS = 200kΩ
ENIL = ENIU = High, VOUT = Open
ENIL = ENIU = High, VOUT = 0V
Rising Edge
VCC = 4.75V, RSETU = RSETL = 0K
VCC = 3.0V, RSETU = RSETL = 0K
RSETL = 249KΩ; ΔTA ≤ 25°C
RSETL = 249KΩ
RSETU = 1.24MΩ; ΔTA ≤ 20°C,
RSETU = 1.24MΩ ,
VCC = 3.0 to 5.5V
VCC = 3.0 to 5.5V
VCC = 3.0 to 5.5V
VCC = 3.0 to 5.5V
VEN = 5.5V
VCC = 5.0V
VOUT Rising, TA = 25°C (VIN = 3.3V)
RHYS = 200KΩ
ISINK = 1mA
VRDY < 5.5V, VOUT < 98% Of VOUT
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Min Typ Max Units
3
360
340
1800
1700
1.4
1.4
40
0.4
0.4
2.7
120
50
65
400
400
2000
2000
150
5.5
75
1
10
3
100
120
440
460
2200
2300
0.4
0.4
1
0.4
1
98
200
0.4
1
150
15
V
μA
μA
μA
V
mV
mΩ
mA
mA
mA
V
V
V
V
μA
μs
% of VOUT
mV
V
μA
°C
1. The AAT4621 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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201944A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 15, 2012
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