PRODUCT DATASHEET
AAT2503178
SystemPowerTM
Adjustable 3-Channel Regulator
Electrical Characteristics1
VIN = 3.6V; TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol Description
Bias Power Supply
Conditions
Min
Typ
Max
Units
IQ
ISHDN
Quiescent Current
Shutdown Current
ENA = ENB = EN = VIN; ILOAD = 0
ENA = ENB = EN = GND
85
145
1.0
μA
μA
LDOA, LDOB; IOUT = 150mA
VLDO
Input Voltage
1.62
-1.5
-2.5
5.5
1.5
2.5
V
%
IOUT = 1mA TA = 25°C
VOUT
Output Voltage Tolerance
to 150mA
TA = -40°C to +85°C
VFB
VDO
Feedback Voltage
Dropout Voltage2
0.593
0.6
0.607
150
V
mV
IOUT = 150mA
ΔVOUT
/
Line Regulation3
VIN = VOUT + 1 to 5.0V
0.09
0.6
%/V
VOUT*ΔVIN
VEN(L)
VEN(H)
IOUT
Enable Threshold Low
Enable Threshold High
Output Current
Shutdown Current
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
V
V
mA
μA
°C
°C
1.4
150
ISHT
TSD
THYS
VIN = 5V
1.0
140
15
LDOA; IOUT = 150mA
VPOK
VPOKHYS
VPOK(LO)
IPOK
Power-OK Trip Threshold
Power-OK Hysteresis
Power-OK Output Voltage Low
Power-OK Output Leakage Current
VOUT Rising, TA = 25°C
80
90
1.0
98
% of VOUT
% of VOUT
ISINK = 1mA
VPOK <5.5V, VOUT in Regulation
0.4
1.0
V
μA
1. The AAT2503 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-
tion with statistical process controls.
2. VDO is defined as VIN - VOUT when VOUT is 98% of nominal.
3. CIN = 10μF.
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2503.2008.02.1.4