HV9105 Supertex Inc, HV9105 Datasheet - Page 5

• Manufacturer Part Number: HV9105
• Description: High-Voltage Switchmode Controllers with MOSFET
• Manufacturer: Supertex Inc

Typical Performance Curves
Test Circuits
Fig. 1
Fig. 2
+10V
(V
(–V
NOTE: Set Feedback Voltage so that
GND
DD
(FB)
IN
)
)
-10
-20
-30
-40
-50
-60
-70
-80
10
10
10
10
10
V
1.0
0.1
.01
10
0
COMP
6
5
4
3
2
100Hz
10Hz
Reference
PSRR – Error Amplifier and Reference
Error Amplifier Output Impedance (Z
= V
0.1µF
100Hz
1KHz
DIVIDE
Error Amp Z
+
–
± 1mV before connecting transformer
10KHz
1KHz
1.0V swept 100Hz – 2.2MHz
100KHz
10KHz
V
1
OUT
secondary)
Tektronix
100KHz
P6021
(1 turn
1MHz
0
)
10MHz
1MHz
V
2
60.4K
40.2K
5
Fig. 3
Fig. 4
0.1V swept 10Hz – 1MHz
100k
-10
80
70
60
50
40
30
20
10
10k
1M
0
100Hz
10k
10.0V
4.00V
Output Switching Frequency
vs. Oscillator Resistance
1KHz
HV9105
Reference
Open Loop Gain/Phase
100K1%
Error Amplifier
0.1µF
Frequency
R
OSC
10KHz
100 k
PSRR
(Ω)
+
–
100K1%
100KHz
HV9108
V
2
HV9105/HV9108
1MHz
1M
-120°
-180°
240°
180°
120°
-60°
V
60°
1
0°