AAT2504
Adjustable 3-Channel Regulator
Electrical Characteristics (continued)
1
V
IN
= 3.6V; T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
Description
Conditions
Min
2.7
I
OUT
= 0 to 800mA;
V
IN
= 2.7V to 5.5V
-3.0
0.9
0.891
EN = GND
V
IN
= 5.5, V
LX
= 0 - V
IN
V
FB
= 1.0V
280
160
I
LOAD
= 10 to 800mA
0.2
0.2
1.6
2.0
140
15
0.6
V
EN
= 5V, V
IN
= 5V
1.4
-1.0
1.0
2.4
Typ
Max
5.5
3.0
V
IN
0.909
1.0
1.0
0.2
1.2
Units
V
%
V
V
µA
µA
µA
A
mΩ
mΩ
%
%/V
MHz
°C
°C
V
V
µA
Step-Down Converter
V
IN
Input Voltage
V
OUT
V
OUT
V
FB
I
SHDN
I
LX_LEAK
I
FB
I
LIM
R
DS(ON)H
R
DS(ON)L
ΔV
LOADREG
/
V
OUT
ΔV
LINEREG
/
V
IN
F
OSC
T
SD
T
HYS
V
EN(L)
V
EN(H)
I
EN
Output Voltage Tolerance
V
OUT
Programmable Range
Feedback Threshold Voltage
Shutdown Current
LX Leakage Current
Feedback Leakage
Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
Load Regulation
Line Regulation
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Enable Threshold Low
Enable Threshold High
EN Input Leakage
0.9
1. The AAT2504 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.
2504.2007.06.1.0
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
