AAT2503
Adjustable 3-Channel Regulator
1
Electrical Characteristics
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
Quiescent Current
Shutdown Current
ENA = ENB = EN = VIN; ILOAD = 0
ENA = ENB = EN = GND
85 145
1.0
µA
µA
ISHDN
LDOA, LDOB; IOUT = 150mA
VLDO
Input Voltage
2.8
-1.5
5.5
1.5
2.5
V
I
OUT = 1mA
TA = 25°C
VOUT
Output Voltage Tolerance
Feedback Voltage
ꢀ
to 150mA
TA = -40°C to +85°C -2.5
VFB
VDO
0.593 0.6 0.607
150
V
mV
2
Dropout Voltage
IOUT = 150mA
ΔVOUT
/
3
Line Regulation
VIN = VOUT + 1 to 5.0V
0.09
ꢀ/V
VOUT*ΔVIN
VEN(L)
VEN(H)
IOUT
Enable Threshold Low
Enable Threshold High
Output Current
Short-Circuit Current
Shutdown Current
Over-Temperature Shutdown
Threshold
0.6
V
V
mA
mA
µA
1.4
150
300
1.0
ISC
ISHT
VOUT < 0.4V
VIN = 5V
TSD
140
15
°C
°C
Over-Temperature Shutdown
THYS
Hysteresis
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 VPOK <5.5V, VOUT in Regulation
VOUT Rising, TA = 25°C
ISINK = 1mA
90
94
1.0
98 ꢀ of VOUT
ꢀ of VOUT
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 correlation with statistical process controls.
2. VDO is defined as VIN - VOUT when VOUT is 98ꢀ of nominal.
3. CIN = 10µF.
4
2503.2007.04.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
