Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX8842 User Manual
Page 3
MAX8840/MAX8841/MAX8842
Ultra-Low-Noise, High PSRR, Low-Dropout,
150mA Linear Regulators in µDFN
_______________________________________________________________________________________
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 MAX8842 is tested with 2.45V output, unless otherwise noted.) (Note 1)
Note 1: Limits are 100% tested at +25°C. Limits over operating temperature range are guaranteed by design.
Note 2: 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 3: Time needed for V
OUT
to reach 90% of final value.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX8840
11
f = 100Hz to 100kHz,
I
LOAD
= 10mA
MAX8841/MAX8842
230
MAX8840
13
Output Noise Voltage
(RMS)
f = 100Hz to 100kHz,
I
LOAD
= 80mA
MAX8841/MAX8842
230
µV
Shutdown Exit Delay
R
LOAD
= 50
Ω (Note 3)
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, SHDN = 0V or
6V
T
A
= +85°C
0.01
µA
T
A
= +25°C
0.006
0.1
FB Input Bias Current
(MAX8842)
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.)
MAX8840
OUTPUT VOLTAGE vs. INPUT VOLTAGE
MAX8840 toc01
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
5
4
3
2
1
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0
0
6
I
OUT
= 150mA
I
OUT
= 0mA
MAX8840
OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
MAX8840 toc02
LOAD CURRENT (mA)
% DEVIATION (%)
125
100
75
50
25
-0.4
-0.2
0
0.2
0.4
0.6
-0.6
0
150
MAX8840
OUTPUT VOLTAGE ACCURACY
vs. TEMPERATURE
MAX8840 toc03
TEMPERATURE (
°C)
% DEVIATION (%)
60
35
10
-15
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
-40
85
IOUT = 1mA