Low-Input-Voltage, 500mA LDO Regulator
with
RESET
in SOT and TDFN
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= (V
OUT
+ 0.5V) or 1.8V, whichever is greater;
SHDN
= IN, C
IN
= 1µF, C
OUT
= 4.7µF, T
A
= -40°C to +85°C, unless otherwise
noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
RESET
Output High
Leakage Current
Reset Delay
THERMAL PROTECTION
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
T
SHDN
∆T
SHDN
+165
15
°C
°C
SYMBOL
I
OH
t
RP
CONDITIONS
V
RESET
= 3.6V,
RESET
not asserted
T
A
= +25°C
T
A
= +85°C
70
MIN
TYP
0.001
0.01
100
160
MAX
1
UNITS
µA
ms
MAX1589A
From V
OUT
high to
RESET
rising
Note 1:
Limits are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2:
The dropout voltage is defined as V
IN
- V
OUT
, when V
OUT
is 4% lower than the value of V
OUT
when V
IN
= V
OUT
+ 0.5V.
Typical Operating Characteristics
(V
IN
= (V
OUT
+ 0.5V) or 1.8V, whichever is greater;
SHDN
= IN, C
IN
= 1µF, C
OUT
= 4.7µF, T
A
= +25°C, unless otherwise noted.)
OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
MAX1589A toc01
OUTPUT VOLTAGE ACCURACY
vs. INPUT VOLTAGE
MAX1589A toc02
OUTPUT VOLTAGE ACCURACY
vs. TEMPERATURE
V
OUT
= +1.5V
OUTPUT VOLTAGE ACCURACY (%)
1.0
0.5
I
OUT
= 0mA, 100mA, 500mA
0
-0.5
-1.0
-1.5
MAX1589A toc03
0.2
OUTPUT VOLTAGE ACCURACY (%)
0.50
V
OUT
= +1.5V
OUTPUT VOLTAGE ACCURACY (%)
0.25
I
OUT
= 0mA
0
I
OUT
= 100mA
-0.25
I
OUT
= 500mA
1.5
0.1
V
OUT
= +1.5V
0
V
OUT
= +3.0V
-0.1
V
OUT
= +0.75V
-0.2
0
100
200
300
400
500
LOAD CURRENT (mA)
-0.50
1.4
1.8
2.2
2.6
3.0
3.4
INPUT VOLTAGE (V)
-40
-15
10
35
60
85
TEMPERATURE (°C)
GROUND-PIN CURRENT
vs. LOAD CURRENT
MAX1589A toc04
GROUND-PIN CURRENT
vs. INPUT VOLTAGE
MAX1589A toc05
GROUND-PIN CURRENT
vs. TEMPERATURE
V
OUT
= +1.5V
GROUND-PIN CURRENT (µA)
90
I
OUT
= 1mA TO 500mA
80
MAX1589A toc06
120
110
100
V
OUT
= +1.5V
90
V
OUT
= +0.75V
80
70
60
0.01
0.1
1
10
100
V
OUT
= +3.0V
120
I
OUT
= 100mA
GROUND-PIN CURRENT (µA)
100
80
60
40
20
V
OUT
= +1.5V
0
I
OUT
= 0mA
I
OUT
= 500mA
100
GROUND-PIN CURRENT (µA)
70
I
OUT
= 0mA
60
50
1.2
1.6
2.0
2.4
2.8
3.2
3.6
-40
-15
10
35
60
85
INPUT VOLTAGE (V)
TEMPERATURE (°C)
1000
LOAD CURRENT (mA)
_______________________________________________________________________________________
3
ROCHESTER [ Rochester Electronics ]
