Datasheet

MAX8510/MAX8511/MAX8512
Ultra-Low-Noise, High PSRR,
Low-Dropout, 120mA Linear Regulators
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
OUT
+ 0.5V, T
A
= -40°C to +85°C, unless otherwise noted. C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 10nF. Typical values are at +25°C;
the MAX8512 is tested with 2.45V output, unless otherwise noted.) (Note 2)
Note 2: Limits are 100% tested at +25°C. Limits over operating temperature range are guaranteed by design.
Note 3: Dropout is defined as V
IN
- V
OUT
when V
OUT
is 100mV below the value of V
OUT
for V
IN
= V
OUT
+ 0.5V.
Note 4: Time needed for V
OUT
to reach 90% of final value.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX8510 11
f = 100Hz to 100kHz,
I
LOAD
= 10mA
MAX8511/MAX8512 230
MAX8510 13
Output Noise Voltage
(RMS)
f = 100Hz to 100kHz,
I
LOAD
= 80mA
MAX8511/MAX8512 230
µV
Shutdown Exit Delay R
LOAD
= 50Ω (Note 4) 300 µs
SHDN Logic Low Level V
IN
= 2V to 6V 0.4 V
SHDN Logic High Level V
IN
= 2V to 6V 1.5 V
T
A
= +25°C
SHDN Input Bias Current
V
IN
= 6V, V
SHDN
= 0V or
6V
T
A
= +85°C 0.01
µA
T
A
= +25°C 0.006 0.1
FB Input Bias Current
(MAX8512)
V
IN
= 6V,V
FB
= 1.3V
T
A
= +85°C 0.01
µA
Thermal Shutdown 160 °C
Thermal-Shutdown
Hysteresis
10 °C
Typical Operating Characteristics
(V
IN
= V
OUT
+ 0.5V, C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 10nF, T
A
= +25°C, unless otherwise noted.)
MAX8510
OUTPUT VOLTAGE vs. INPUT VOLTAGE
MAX8510 toc01
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
54321
0.5
1.0
1.5
2.0
2.5
3.0
0.0
06
I
OUT
= 120mA
I
OUT
= 0mA
MAX8510
OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
MAX8510 toc02
LOAD CURRENT (mA)
% DEVIATION (%)
10080604020
-0.4
-0.2
0
0.2
0.4
0.6
-0.6
0 120
MAX8510
OUTPUT VOLTAGE ACCURACY
vs. TEMPERATURE
MAX8510 toc03
TEMPERATURE (°C)
% DEVIATION (%)
603510-15
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
-40 85
I
OUT
= 1mA