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PDF HV9108 Data sheet ( Hoja de datos )
| Número de pieza | HV9108 | |
| Descripción | High-Voltage Switchmode Controllers with MOSFET | |
| Fabricantes | Supertex Inc | |
| Logotipo |  |
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HV9105
HV9108
High-Voltage Switchmode Controllers with MOSFET
Ordering Information
MOSFET Switch
BVDSS
200V
RDS(ON)
5.0Ω
+VIN
Min
10V
Max
120V
200V
5.0Ω
10V
120V
Standard temperature range for all parts is industrial (-40° to +85°C).
Features
❏ 10 to 120V input range
❏ 200V, 5Ω output MOSFET
❏ Current-Mode Control
❏ High Efficiency
❏ CCITT Compatible
❏ Internal Start-up Circuit
Applications
❏ DC/DC Converters
❏ Distributed Power Systems
❏ ISDN Equipment
❏ PBX Systems
❏ Modems
Feedback
Voltage
±1%
±1%
Max Package Outlines
Duty Cycle 14 Pin Plastic DIP 20 Pin Plastic PLCC
49%
HV9105P
HV9105PJ
99%
HV9108P
HV9108PJ
General Description
The Supertex HV9105 and HV9108 are high-efficiency high
voltage SMPS ICs intended for use in power converters requiring
extreme efficiency at output power levels of 5.0W or less. The low
supply current (0.5mA max) allows them to be used to build
supplies which meet CCITT I.430 performance recommenda-
tions (60% efficiency at .025W out).
The HV9105/08 provides all the functions necessary to build a
single-switch current-mode converter of any common topology,
with a minimum of external parts.
In addition to high efficiency, because it uses Supertex’s propri-
etary high voltage BiCMOS/DMOS technology, the HV9105/08
offers numerous performance advantages when compared to
conventional PWM ICs. Dynamic range is approximately 8 times
wider than with bipolar ICs, both response speed and maximum
clock rate are faster, and no external power resistors or zeners are
necessary for high voltage starting.
Accessory circuits are included to provide either latching or
nonlatching shutdown. When shut down, device dissipation is
less than 4mW.
The HV9105/08 is intended for operation with input voltages from
10 to 120VDC.
Absolute Maximum Ratings
+VIN, Input Voltage
VDS
VDD, Logic Voltage
Control Inputs
ID (Peak)
Storage Temperature
Power Dissipation, Plastic DIP
Power Dissipation, PLCC
11/12/01
120V
200V
15.0V
-0.3V to VDD+0.3V
2.5A
-65°C to 150°C
750mW
1400mW
For detailed circuit and application information, please refer
to application notes AN-H13 and AN-H21 to AN-H24.
Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability
indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to
workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the
Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.
1
1 page  
Typical Performance Curves
Fig. 1
PSRR – Error Amplifier and Reference
0
-10
-20
-30
-40
-50
-60
-70
-80
10Hz
100Hz
1KHz
10KHz 100KHz
1MHz
Fig. 2
Error Amplifier Output Impedance (Z0)
106
105
104
103
102
10
1.0
0.1
.01
100Hz
1KHz
10KHz 100KHz 1MHz
10MHz
Test Circuits
Error Amp ZOUT
+10V
(VDD)
(FB)
GND
(–VIN)
Reference
–
+
0.1µF
1.0V swept 100Hz – 2.2MHz
60.4K
Tektronix
P6021
V1
(1 turn
secondary)
V2
40.2K
HV9105/HV9108
Fig. 3
80
70
60
50
40
30
20
10
0
-10
100Hz
Error Amplifier
Open Loop Gain/Phase
1KHz
10KHz
100KHz
Frequency
Fig. 4
1M
Output Switching Frequency
vs. Oscillator Resistance
240°
180°
120°
60°
0°
-60°
-120°
-180°
1MHz
100k
HV9105
HV9108
10k
10k
100 k
ROSC (Ω)
1M
0.1V swept 10Hz – 1MHz
PSRR
100K1%
10.0V
100K1%
4.00V
–
+
Reference
V2
0.1µF
V1
NOTE: Set Feedback Voltage so that
VCOMP = VDIVIDE ± 1mV before connecting transformer
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HV9108.PDF ] | |
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