HV7800(2006) 데이터 시트보기 (PDF) - Supertex Inc
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HV7800 Datasheet PDF : 6 Pages
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HV7800
Protection of the LOAD input
In situations where the sense voltage can significantly
exceed 500mV, the LOAD input to the differential amplifier
should be protected by the addition of a protection resistor
and two diodes as shown below:
RSENSE ISURGE
An excessive sense voltage might occur when line or load
current is significantly larger during the startup or shutdown
event, or during overcurrent or short circuit events. A large
differential voltage can also exist if the sense resistor fails
open, or is inadvertently not installed.
RPROTECT
IN
LOAD
HV7800
GND OUT
5-Lead SOT-23 (K1) Package Outline
2.80
3.05
1.50
2.60
All dimensions are in millimeters
1.75
3.00
Legend: min
max
Pin 1
0.90
1.30
1.90ref
Top View
0.95ref
0.00
0.15 Side View
0.90
1.45
0.30
0.09
0.50
0.20
0.30
0.55
Front View
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline informa-
tion go to http://www.supertex.com/packaging.html.)
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
"product liability indemnification insurance agreement". Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of the devices
determined 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.
©2006 Supertex inc. All rights reserved. Unauthorized use or reproduction is prohibited.
Doc.# DSFP - HV7800
NR031306
6
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
TEL: (408) 222-8888 / FAX: (408) 222-4895
www.supertex.com
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