MAX1598 Datasheet, PDF (4/9 Pages) Maxim Integrated Products – Low-Noise, Low-Dropout, 200mA Linear Regulator

Low-Noise, Low-Dropout, 200mA
Linear Regulator
Typical Operating Characteristics (continued)
(V_IN = (V_OUT(NOMINAL) + 0.5V) or 2.5V (whichever is greater), C_IN = 1µF, C_OUT = 2.2µF, C_BP = 0.01µF, T_A = +25°C, unless other-
wise noted.)
OUTPUT VOLTAGE vs. TEMPERATURE
(MAX1598EZK25)
2.60
I_LOAD = 50mA
2.55
2.50
2.45
2.40
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
DROPOUT VOLTAGE vs. LOAD CURRENT
(MAX1598EZK25)
300
250
T_A = +25°C
200
T_A = +85°C
150
100
T_A = -40°C
50
0
0
40
60 120 160 200
LOAD CURRENT (mA)
OUTPUT NOISE SPECTRAL DENSITY
vs. FREQUENCY
10
C_BP = 0.01µF
I_LOAD = 10mA
1
0.1
0.01
0
C_OUT = 1µF
C_OUT = 10µF
1
10
100
1000
FREQUENCY (kHz)
OUTPUT VOLTAGE vs. TEMPERATURE
(MAX1598EZK50)
5.2
I_LOAD = 50mA
5.1
5.0
4.9
4.8
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
DROPOUT VOLTAGE vs. LOAD CURRENT
(MAX1598EZK50)
300
250
200
T_A = +25°C
150
T_A = +85°C
100
50
T_A = -40°C
0
0
40
80
120 160 200
LOAD CURRENT (mA)
OUTPUT NOISE vs. BP CAPACITANCE
80
C_OUT = 10µF
70
I_LOAD = 10mA
f = 10Hz to 100kHz
60
50
MAX1598EZK50
40
30
MAX1598EZK30
20
MAX1598EZK25
10
0
0.001
0.01
0.1
BP CAPACITANCE (µF)
200
180
160
140
120
100
80
60
40
20
0
-40
GROUND-PIN CURRENT
vs. TEMPERATURE
I_LOAD = 50mA
MAX1598EZK50
MAX1598EZK25
-20 0 20 40 60 80 100
TEMPERATURE (°C)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
70
60
C_OUT = 10µF
50
40
30
C_OUT = 1µF
20
10 I_LOAD = 50mA
C_BP = 0.1µF
0
0.01 0.1
1
10
100 1000
FREQUENCY (kHz)
OUTPUT NOISE vs. LOAD CURRENT
60
50
MAX1598EZK50
40
MAX1598EZK30
30
20
MAX1598EZK25
10
C_OUT = 10µF
C_BP = 0.01µF
f = 10Hz to 100kHz
0
1
10
100
1000
LOAD CURRENT (mA)
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