PRODUCT DATASHEET
AAT2713
SystemPower
TM
Low Noise Dual 600mA Step-Down Converter with Synchronization
Electrical Characteristics
1
V
IN
= V
CC
= 3.6V, T
A
= -40°C to +85°C, unless noted otherwise. Typical values are at T
A
= 25°C.
Symbol
Power Supply
V
CC
, V
IN1
, V
IN2
UVLO
I
Q
I
SHDN
Each Converter
V
OUT
V
OUT
I
FB
I
LIM
R
DS(ON)H
R
DS(ON)L
ΔV
OUT
/
V
OUT
/ΔI
OUT
ΔV
OUT
/
V
OUT
/ΔV
IN
V
FB
F
OSC
T
S
Logic
T
SD
T
HYS
V
IL
V
IH
I
MODE/SYNC
,
I
PS
I
EN
,
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
EN, MODE/SYNC, PS Logic
Low Threshold
EN, MODE/SYNC, PS Logic
High Threshold
Logic Input Current
V
IN
= V
FB
= 5.5V
140
15
0.6
1.5
-1.0
1.0
°C
°C
v
V
μA
Description
Input Voltage
Under-Voltage Lockout
Quiescent Current
Shutdown Current
Output Voltage Tolerance
Output Voltage Range
Feedback Leakage
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
Load Regulation
Line Regulation
Feedback Threshold Voltage
Accuracy
Oscillator Frequency
Start-Up Time
Conditions
Min
2.7
Typ
Max
5.5
2.7
Units
V
V
μA
μA
%
V
μA
A
Ω
Ω
%/mA
%/V
V
CC
Rising
V
CC
Falling
V
EN1
= V
EN2
= V
FB1
= V
FB2
= V
CC
, No Load
EN1 = EN2 = GND
I
OUT
= 0 to 600mA, V
IN
= 3.0 to 5.5V
I
OUT
= 0 to 450mA, V
IN
= 2.7 to 5.5V
V
FB
= 1.0V
Each Converter
-3.0
0.6
2.35
70
140
1.0
-3.0
V
IN
0.2
1.5
0.45
0.40
0.002
0.125
0.591
0.600
1.7
0.609
I
LOAD
= 0 to 600 mA
V
IN
= 2.7 to 5.5V, I
LOAD
= 100 mA
No Load, T
A
= 25°C
From Enable to Output Regulation;
Both Channels
V
MHz
μs
150
1. The AAT2713 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.
4
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2713.2008.01.1.0
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