MAX1818 Maxim, MAX1818 Datasheet - Page 3

• Manufacturer Part Number: MAX1818
• Description: 500mA Low-Dropout Linear Regulator in SOT23
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
are at T
Note 3: All devices are 100% production tested at T
Note 4: The Dropout Voltage is defined as V
(V
Load Regulation
Output Voltage Noise
SHUTDOWN
Shutdown Supply Current
SHDN Input Threshold
SHDN Input Bias Current
POK OUTPUT
POK Output Low Voltage
Operating Voltage Range for
Valid POK
POK Output High Leakage
Current
POK Threshold
THERMAL PROTECTION
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
IN
IN
250
225
200
175
150
125
100
= V
= (V
75
50
25
0
A
0
OUT
design.
+ 500mV. Since the minimum input voltage is 2.5V, this specification is only meaningful when V
V
Guaranteed Maximum Dropout = -137mV/V
Maximum Dropout = 220mV.
OUT
= +25°C.) (Note 3)
I
1.8V OUTPUT
OUT(NOM)
LOAD
0.5
PARAMETER
+ 500mV or V
1.0 1.5
+ 500mV) or +2.5V, whichever is greater; SHDN = IN, C
= 150mA
GROUND PIN CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
between 2.5V and 3.5V, use the following equations: Typical Dropout = -93mV/V
_______________________________________________________________________________________
IN
3.3V OUTPUT
= +2.5V, whichever is greater; SHDN = IN, T
2.5V OUTPUT
SYMBOL
∆T
T
∆V
I
SHDN
I
V
SHDN
V
OFF
V
SHDN
OL
LDR
IH
IL
IN
- V
160
145
130
115
100
I
10Hz to 1MHz, C
SHDN = GND, V
2.5V < V
2.5V < V
SHDN = IN or GND, T
T
POK sinking 1mA
POK sinking 100µA
POK = 5.5V, T
T
Rising edge, referred to V
OUT
85
70
55
40
OUT
A
A
= +85°C
= +85°C
A
✕
0
, when V
= 1mA to 500mA
= +25°C. Limits over the operating temperature range are guaranteed by
V
0.1
OUT(NOM)
IN
IN
1.8V OUTPUT
0.2 0.3 0.4 0.5
Linear Regulator in SOT23
GROUND PIN CURRENT
< 5.5V
< 5.5V
vs. LOAD CURRENT
OUT
LOAD CURRENT (A)
A
CONDITIONS
= +25°C
IN
OUT
+7004mV. For V
is 100mV below the value of V
= 5.5V
IN
3.3V OUTPUT
= 3.3µF (ESR < 0.1Ω)
A
Typical Operating Characteristics
= 1µF, C
0.6 0.7 0.8 0.9 1.0
= +25°C
A
OUT(NOMINAL)
2.5V OUTPUT
= -40°C to +85°C, unless otherwise noted. Typical values
500mA Low-Dropout
OUT
OUT(NOM)
= 3.3µF, T
> 3.5V, Typical Dropout = 120mV;
170
160
150
140
130
120
110
A
OUT
-40
= +25°C, unless otherwise noted.)
MIN
1.6
1.0
90
I
LOAD
✕
measured for V
V
5.0V OUTPUT
OUT(NOM)
= 150mA
-15
OUT(NOM)
GROUND PIN CURRENT
vs. TEMPERATURE
TYP
0.01
115
170
0.4
0.1
TEMPERATURE (°C)
93
20
1
5
1
5
10
> 2.5V. For
+ 445mV;
MAX
IN
35
1.0
0.6
0.1
5.5
15
25
25
96
1.5V OUTPUT
= V
OUT(NOM)
60
UNITS
µV
µA
nA
nA
°C
°C
%
%
RMS
V
V
V
85
3