AAT2504
Adjustable 3-Channel Regulator
Electrical Characteristics
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
ENA = ENB = EN = V
IN
; I
LOAD
= 0
ENA = ENB = EN = GND
V
IN
Rising
Hysteresis
V
IN
Falling
Min Typ Max
80
145
1.0
2.2
Units
µA
µA
V
mV
V
V
%
V
mV
%/V
V
V
mA
µA
°C
°C
Bias Power Supply
I
Q
Quiescent Current
I
SHDN
Shutdown Current
UVLO
Under-Voltage Lockout Voltage
250
1.7
1.8
5.5
-1.5
1.5
-2.5
2.5
0.593 0.6 0.607
300
0.09
0.6
1.4
300
1.0
140
15
80
90
1.0
98
0.4
1.0
LDOA, LDOB
V
LDO
Input Voltage
V
OUT
V
FB
V
DO
Output Voltage Tolerance
Feedback Voltage
Dropout Voltage
2, 3
Line Regulation
4
Enable Threshold Low
Enable Threshold High
Output Current
Shutdown Current
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
I
OUT
= 1mA
to 300mA
I
OUT
= 300mA
V
IN
= V
OUT
+ 1 to 5.0V
T
A
= 25°C
T
A
= -40°C to +85°C
ΔV
LINEREG
/
V
IN
V
EN(L)
V
EN(H)
I
OUT
I
SHT
T
SD
T
HYS
LDOA
V
POK
V
POKHYS
V
POK(LO)
I
POK
V
LDO (MIN)
= 2.5
V
IN
= 5V
Power-OK Trip Threshold
V
OUT
Rising, T
A
= 25°C
Power-OK Hysteresis
Power-OK Output Voltage Low
I
SINK
= 1mA
Power-OK Output Leakage Current V
POK
<5.5V, V
OUT
in Regulation
% of V
OUT
% of V
OUT
V
µA
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.
2. V
DO
is defined as V
IN
- V
OUT
when V
OUT
is 98% of nominal.
3. For V
OUT
< 1.5V, V
DO
= 1.8 - V
OUT
.
4. C
IN
= 10µF.
4
2504.2007.06.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
