MAX843ESA Ver la hoja de datos (PDF) - Maxim Integrated
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MAX843ESA Datasheet PDF : 10 Pages
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Low-Noise, Regulated, -2V GaAsFET Bias
__________________________________________Typical Operating Characteristics
(Circuit of Figure 2a, VIN = 3.6V, TA = +25°C, unless otherwise noted.)
-2.070
OUTPUT VOLTAGE
vs. OUTPUT CURRENT
OUTPUT VOLTAGE vs. INPUT VOLTAGE
OVER TEMPERATURE
-2.065
-2.060
-2.050
-2.060
-2.055
TA = +85°C
-2.050
-2.045
TA = +25°C
TA = -40°C
-2.040
0 1 2 3 4 5 6 7 8 9 10
OUTPUT CURRENT (mA)
-2.040
2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
120
VOUT < -1.95V
100
(CIRCUIT OF FIG 2a)
VOUT < -1.95V
80
(CIRCUIT OF FIG 2d)
60
High-current operation not
recommended for extended
periods of time.
40
VOUT < 2mVp-p RIPPLE
(CIRCUIT OF FIG 2a)
20
VOUT < 2mVp-p RIPPLE
(CIRCUIT OF FIG 2d)
0
2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
NEGOUT CURRENT vs. INPUT VOLTAGE
30
VNEGOUT = 0.9 x VNEGOUT(NO LOAD)
25
20
15
10
SHUTDOWN
(MAX844)
5
0
2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
N0-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
5
4
3
2
1
0
2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
SUPPLY CURRENT vs. TEMPERATURE
7
6
5
VIN = 10V
4
3
2
1
VIN = 3.6V
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
START-UP TIME vs. INPUT VOLTAGE
2.8
2.4
2.0
1.6
1.2
0.8
0.4
2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
_______________________________________________________________________________________ 3
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