AAT3258
300mA LDO Linear Regulator with µP Reset
Absolute Maximum Ratings
1
T
A
= 25°C, unless otherwise noted.
Symbol
V
IN
V
RESET
V
SHDNIN(MAX)
I
OUT
I
RESET
∆V
DET
/∆t
T
J
Description
Input Voltage
RESET to GND
Maximum SHDN to Input Voltage
LDO Regulator DC Output Current
Maximum Reset Output Current
Maximum Rate of V
DET
Rise
Operating Junction Temperature Range
Value
6.0
-0.3 to V
DET
+ 0.3
0.3
P
D
/(V
IN
- V
O
)
20
100
-40 to 150
Units
V
V
V
mA
mA
V/µs
°C
Thermal Information
2
Symbol
θ
JA
P
D
Description
Maximum Thermal Resistance
Maximum Power Dissipation
Value
150
833
Units
°C/W
mW
Recommended Operating Conditions
Symbol
V
IN
V
DET
T
Description
Input Voltage to LDO
3
Input Voltage to µP Reset (0° to 70°C)
Ambient Temperature Range
Value
(V
OUT
+ V
DO
) to 5.5
1.0 to 5.5
-40 to +85
Units
V
V
°C
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at condi-
tions other than the operating conditions specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
2. Mounted on a demo board.
3. To calculate minimum input voltage, use the following equation: V
IN(MIN)
= V
OUT(MAX)
+ V
DO(MAX)
as long as V
IN
≥
2.5V.
3258.2006.03.1.6
3
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
