HV9100/HV9102/HV9103
Typical Performance Curves
Error Amplifier
Open Loop Gain/Phase
PSRR – Error Amplifier and Reference
Fig. 1
Fig. 3
80
70
60
50
40
30
20
10
0
0
-10
-20
-30
-40
-50
-60
-70
-80
180°
120°
60°
0°
-60°
-120°
-180°
-10
10Hz
100Hz
1KHz
10KHz
100KHz
1MHz
100Hz
1KHz
10KHz
100KHz
1MHz
Frequency
Output Switching Frequency
vs. Oscillator Resistance
Error Amplifier Output Impedance (Z0)
Fig. 2
Fig. 4
106
1M
105
104
103
102
10
HV9103
HV9100, 9101, 9102
100k
1.0
0.1
.01
10k
10k
100 k
1M
100Hz
1KHz
10KHz
100KHz
1MHz
10MHz
ROSC (Ω)
Test Circuits
Error Amp ZOUT
PSRR
0.1V swept 10Hz – 1MHz
+10V
1.0V swept 100Hz – 2.2MHz
60.4K
(VDD
)
100K1%
–
100K1%
10.0V
V1
–
(FB)
+
Tektronix
P6021
(1 turn
4.00V
Reference
+
Reference
V1
V2
secondary)
V2
40.2K
GND
(–VIN
0.1µF
)
0.1µF
NOTE: Set Feedback Voltage so that
V
COMP = VDIVIDE 1mV before connecting transformer
5
SUPERTEX [ Supertex, Inc ]
