PRODUCT DATASHEET
AAT2603
Total Power Solution for Portable Applications
Electrical Characteristics
1
V
AIN
= V
INB1
= V
INB2
= V
INL12
= V
INL34
= 3.6V, C
BYP
= 10nF, T
A
= -40°C to 85°C, unless noted otherwise. Typical values are
at T
A
= 25°C.
Symbol
Description
Conditions
Min
1.5
1.182
1.17
1.164
Typ
Max
V
INL12
1.218
1.23
1.236
Units
V
V
V
V
%
%/V
mA
mA
mV
dB
μs
V
V
V
V
%
%/V
mA
mA
mV
dB
μVrms
μs
V
V
μA
°C
°C
400mA LDO Regulators (LDO1, LDO2)
V
OUT_RANGE
Output Voltage Range
V
FB_ACC
V
FB_TOL
ΔV
OUT
/ΔI
OUT
ΔV
OUT
/ΔV
IN
I
OUT(MAX)
I
LIM
V
DO
PSRR
t
S
200mA LDO
V
OUT_RANGE
V
FB_ACC
Feedback Voltage Accuracy
Feedback Voltage Tolerance
Load Regulation
Line Regulation
Maximum Output Current
Output Current Limit
Dropout Voltage
Power Supply Rejection Ratio
Start-Up Time
Regulators (LDO3, LDO4)
Output Voltage Range
Feedback Voltage Accuracy
T
A
= 25°C, 1mA Load
T
A
= -40°C to 85°C, 1mA Load
0mA to 400mA Load, V
IN
= 2.7V to 5.5V
1mA to 400mA Load
V
IN
= 3.3V to 5.5V, 100mA Load
1.2
1.2
1.2
0.3
0.08
1500
300
50
200
400
400mA Load
f < 10KHz, C
OUTL1,2
= 4.7μF, 10mA Load
V
BYP
already enabled; C
OUT
= 4.7μF
1.2
1.182
1.17
1.164
500
Feedback Voltage Tolerance
V
FB_TOL
ΔV
OUT
/ΔI
OUT
Load Regulation
ΔV
OUT
/ΔV
IN
Line Regulation
I
OUT(MAX)
Maximum Output Current
I
LIM
Output Current Limit
V
DO
Dropout Voltage
PSRR
Power Supply Rejection Ratio
e
N
RMS Output Noise
t
S
Start-Up Time
Logic Inputs/Outputs
V
EN(H)
Input Logic High Voltage
V
EN(L)
Input Logic Low Voltage
I
EN
Logic Input Current
Thermal
T
SD
Over-Temperature Shutdown Threshold
T
SD(HYS)
Over-Temperature Shutdown Hysteresis
T
A
= 25°C, 1mA Load
T
A
= -40°C to +85°C, 1mA Load
0mA to 200mA Load, V
IN
= 2.7V to 5.5V
0mA to 200mA Load
V
IN
= 3.3V to 5.5V, 100mA Load
1.2
1.2
1.2
0.2
0.02
750
200
50
45
200
V
INL34
1.218
1.23
1.236
200
200mA Load
f < 10KHz, C
OUTL3,4
= 4.7μF, 10mA Load
Power BW: 100~100KHz
V
BYP
already enabled; C
OUT
= 4.7μF
1.4
V
EN
= 1.4V
2
350
0.4
1.5
140
15
1. The AAT2603 is guaranteed to meet performance specification from -40°C to +85°C and is assured by design, characterization and correlation with statistical process controls.
2. The enable pins have internal 1.6MΩ pull-down resistors.
6
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2603.2008.10.1.2
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