MAX850 Maxim, MAX850 Datasheet - Page 4

• Manufacturer Part Number: MAX850
• Description: Low-Noise / Regulated / Negative Charge-Pump Power Supplies for GaAsFET Bias
• Manufacturer: Maxim

Low-Noise, Regulated, Negative
Charge-Pump Power Supplies for GaAsFET Bias
(Circuit of Figure 2a, V
4
_____________________________Typical Operating Characteristics (continued)
______________________________________________________________________________________
-10
-20
-30
V
70
60
50
40
30
20
10
IN
0
0.1
= 6.0V, V
OUT
OUTPUT NOISE AND RIPPLE
= -4.1V, I
1.0
MAX850–MAX852
IN
MAX850–MAX852
NOISE SPECTRUM
= 6V, T
FREQUENCY (kHz)
10 s/div
OUT
= 5mA, AC COUPLED
10
A
= +25°C, unless otherwise noted.)
100
1000
V
500 V/div
OUT
NOTE: dBµV = 20 log V
1µV
OUT
-10
-20
-30
70
60
50
40
30
20
10
0
V
0.1
IN
= 6.0V, V
OUT
OUTPUT NOISE AND RIPPLE
1.0
= -4.1V, I
NOISE SPECTRUM
FREQUENCY (kHz)
MAX853
MAX853
10 s/div
OUT
= 5mA, AC COUPLED
10
100
1000
V
500 V/div
OUT