AAT2603_08 Datasheet, PDF (5/26 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

PRODUCT DATASHEET
AAT2603
Total Power Solution for Portable Applications
Electrical Characteristics¹
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
Power Supply
V_IN
I_Q
I_SHDN
UVLO
Input Voltage Range
Quiescent Current
Input Shutdown Current
Under-Voltage Lockout
V_ENB1 = V_ENL3 = 3.6V, No Load , V_FBB1 = V_FBL3 = 3.6V
V_ENx = AGND
V_IN rising
V_IN falling
Hysteresis
F_OSC
Oscillator Frequency
t_S,BYP
Bypass Filter Startup Time
V_ENB1 = 3.6V
DC-DC1 (Buck1): 1.2A Step-Down Converter
V_{OUT_RANGE} Output Voltage Range
V_{OUT_ACC} Output Voltage Accuracy
T_A = 25°C, 20mA Load
T_A = -40°C to 85°C, 20mA Load
V_{OUT_TOL} Output Voltage Tolerance
0A to 1.2A Load; V_IN = 2.7V to 5.5V
V_{FBB1_ACC} Feedback Voltage Accuracy
T_A = 25°C, 20mA Load
T_A = -40°C to 85°C, 20mA Load
ΔV_OUT/ΔI_OUT Load Regulation
0A to 1.2A Load
ΔV_OUT/ΔV_IN Line Regulation
V_IN = 2.7V to 5.5V
I_SHDN
Shutdown Current
V_ENB1 = GND
I_{LX_LEAK}
LX Leakage Current
V_INB1 = 5.5V, V_LX1 = 0V to V_INB1
I_LIM
P-Channel Current Limit
R_DS(ON)H High Side Switch On-Resistance
R_DS(ON)L Low Side Switch On-Resistance
t_S
Start-Up Time
Enable to Output Regulation
DC-DC2 (Buck2): 600mA Step-Down Converter
V_{OUT_RANGE}
V_{OUT_ACC}
V_{OUT_TOL}
V_{FBB2_ACC}
ΔV_OUT/ΔI_OUT
ΔV_OUT/ΔV_IN
I_SHDN
I_{LX_LEAK}
I_LIM
R_DS(ON)H
R_DS(ON)L
t_S
Output Voltage Range
Output Voltage Accuracy
Output Voltage Tolerance
Feedback Voltage Accuracy
SELB2 = '0
Feedback Voltage Accuracy
SELB2 = '1'
Load Regulation
Line Regulation
Shutdown Current
LX Leakage Current
P-Channel Current Limit
High Side Switch On-Resistance
Low Side Switch On-Resistance
Start-Up Time
T_A = 25°C, 20mA Load
T_A = - 40°C to 85°C, 20mA Load
0mA to 600mA Load; V_IN = 2.7V to 5.5V
T_A = 25°C, 20mA Load
T_A = -40°C to 85°C, 20mA Load
T_A = 25°C, 20mA Load
T_A = -40°C to 85°C, 20mA Load
0mA to 600mA Load
V_IN = 2.7V to 5.5V
V_ENB2 = GND
V_INB2 = 5.5V, V_LX2 = 0 to V_INB2
Enable to Output Regulation
Min
2.7
1.8
0.6
-1.5
-2.5
-3.0
0.591
0.585
0.6
-1.5
-2.5
-3.0
0.591
0.585
0.763
0.756
Typ Max
5.5
100 200
1.0
2.6
250
1.5
200
V_INB1
+1.5
+2.5
+3.0
0.6 0.609
0.6 0.615
0.4
0.2
1.0
1.0
1.7
145
200
200
0.6
0.6
0.775
0.775
0.2
0.2
1.3
230
180
200
V_INB2
+1.5
+2.5
+3.0
0.609
0.615
0.787
0.794
1.0
1.0
Units
V
μA
μA
V
V
mV
MHz
μs
V
%
%
%
V
V
%
%/V
μA
μA
A
mΩ
mΩ
μs
V
%
%
%
V
V
%
%/V
μA
μA
A
mΩ
mΩ
μs
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.
2603.2008.10.1.2
www.analogictech.com
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