Operating Temperature .......................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
IN
= V
OUT(SETPOINT)
+ 500mV or V
IN
= 2.25V whichever is greater, SET = GND,
SHDN
= IN,
T
A
= 0°C to +85°C,
unless otherwise
noted. Typical values are at T
A
= +25°C.)
PARAMETER
Input Voltage
Input Undervoltage Lockout
Output Voltage Accuracy
(Preset Mode)
Adjustable Output Voltage
T
A
= +25°C, I
OUT
= 100mA
SET Voltage Threshold
(Adjustable Mode)
Maximum Output Current
Short-Circuit Current Limit
SET Dual Mode Threshold
SET Input Bias Current
Ground-Pin Current
I
SET
I
Q
V
SET
= 0.8V
I
OUT
= 1mA
I
OUT
= 500mA
V
OUT
= 2.25V
Dropout Voltage (Note 1)
Line Regulation
Load Regulation
Output Voltage Noise
SHUTDOWN
Shutdown Supply Current
SHDN
Input Threshold
SHDN
Input Bias Current
Startup Time
I
OFF
V
IH
V
IL
I
SHDN
t
START
SHDN
= GND or IN
C
OUT
= 10µF, time from
SHDN
high to POK high
10
40
SHDN
= GND, V
IN
= 5.5V
1.6
0.6
100
0.02
5
µA
V
nA
µs
∆V
LNR
∆V
LDR
I
OUT
= 500mA
V
OUT
= 2.8V
V
OUT
= 4V
V
IN
from (V
OUT
+ 100mV) to 5.5V, I
LOAD
= 5mA
I
OUT
= 1mA to 500mA
10Hz to 1MHz, C
OUT
= 10µF (ESR < 0.1Ω)
™
SYMBOL
V
IN
V
UVLO
CONDITIONS
Rising, 40mV hysteresis
T
A
= +25°C, I
OUT
= 100mA
T
A
= +25°C, I
OUT
= 1mA to 500mA
T
A
= 0°C to +85°C, I
OUT
= 1mA to 500mA,
V
IN
> V
OUT
+ 0.5V
MIN
2.25
1.85
-1.5
-2.5
-3
0.8
788
780
774
500
TYP
2
MAX
5.50
2.15
+1.5
+2.5
+3
4.5
812
820
UNITS
V
V
V
OUT
%
V
V
SET
T
A
= +25°C, I
OUT
= 1mA to 500mA
T
A
= 0°C to +85°C, I
OUT
= 1mA to 500mA,
V
IN
> V
OUT
+ 0.5V
V
OUT
= 0V
mV
800
826
mA
RMS
I
OUT
I
LIM
600
35
-100
1400
80
210
575
259
201
147
0
15.5
300
2300
125
+100
600
400
350
275
0.125
35
mA
mV
nA
µA
mV
%/V
ppm/mA
µV
RMS
Dual Mode is a trademark of Maxim Integrated Products, Inc.
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