Standard temperature range for all parts is industrial (-40擄 to +85擄C).
Features
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10 to 120V input range
200V, 5鈩?output MOSFET
Current-Mode Control
High Efficiency
CCITT Compatible
Internal Start-up Circuit
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鈥檚 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.
Applications
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DC/DC Converters
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Distributed Power Systems
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ISDN Equipment
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PBX Systems
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Modems
Absolute Maximum Ratings
+V
IN
, Input Voltage
V
DS
V
DD
, Logic Voltage
Control Inputs
I
D
(Peak)
Storage Temperature
Power Dissipation, Plastic DIP
Power Dissipation, PLCC
120V
200V
15.0V
-0.3V to V
DD
+0.3V
2.5A
-65擄C to 150擄C
750mW
1400mW
For detailed circuit and application information, please refer
to application notes AN-H13 and AN-H21 to AN-H24.
11/12/01
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.
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