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PDF HV7802 Data sheet ( Hoja de datos )
| Número de pieza | HV7802 | |
| Descripción | High Side Current Monitor | |
| Fabricantes | Supertex | |
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Supertex inc.
HV7802
High Side Current Monitor
8V to 450V
Configurable Output
Features
►►Supply voltage 8V to 450V
►►Configurable as a current or voltage output device
►►Maximum sense amplifier offset of 15mV
►►Max VSENSE of 500mV
►►Fast rise and fall time, from 700ns to 2.0µs
►►Maximum quiescent current of 50µA
Applications
►► SMPS current monitor
►► Battery current monitor
►► Motor control
General Description
The HV7802 high side current monitor IC contains a
transconductance amplifier which translates a high side
current measurement voltage into an output current with
resistor programmable transconductance gain. An optional
second resistor transforms this output current into an output
voltage with an overall voltage gain set by the ratio of the two
resistors.
The measurement voltage typically originates at a current
sense resistor, which is located in a “high side” circuit, for
example a circuit not directly associated with ground.
This monitor IC features a very wide input voltage range,
configurable gain, small size, low component count, low power
consumption, ease of use, and low cost. Offline, battery, and
portable applications can be served equally well due to the
wide input voltage range and the low quiescent current.
Typical Application Circuit
8V to 450V Input
IOUT = VSENSE/RA
VOUT = RB • IOUT
GV = RB/RA
VSENSE
ISENSE
RSENSE
RA
RP (optional)
IN RA
LOAD
HV7802
R
GND
OUT
IOUT
VOUT
RB V
Doc.# DSFP-HV7802
A062813
Supertex inc.
www.supertex.com
1 page  
8-Lead MSOP Package Outline (MG)
3.00x3.00mm body, 1.10mm height (max), 0.65mm pitch
D
8
θ1
HV7802
Note 1
(Index Area
D/2 x E1/2)
E1 E
1
Top View
A A2
A1
A
Seating
Plane
eb
Side View
A
L2 Gauge
Plane
L
L1
θ
View B
Seating
Plane
View B
View A-A
Note:
1. A Pin 1 identifier must be located in the index area indicated. The Pin 1 identifier can be: a molded mark/identifier; an embedded metal marker; or
a printed indicator.
Symbol
A A1 A2 b D E E1 e L L1 L2 θ θ1
MIN 0.75* 0.00 0.75 0.22 2.80* 4.65* 2.80*
0.40
0O 5O
Dimension
(mm)
NOM
-
-
0.85
-
3.00
4.90
3.00
0.65
BSC
0.60
0.95
REF
0.25
BSC
-
-
MAX 1.10 0.15 0.95 0.38 3.20* 5.15* 3.20*
0.80
8O 15O
JEDEC Registration MO-187, Variation AA, Issue E, Dec. 2004.
* This dimension is not specified in the JEDEC drawing.
Drawings are not to scale.
Supertex Doc. #: DSPD-8MSOPMG, Version H041309.
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline
information 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 them for use in such applications unless it receives
an adequate “product liability indemnification insurance agreement.” Supertex inc. 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 and inaccuracies. Circuitry and
specifications are subject to change without notice. For the latest product specifications refer to the Supertex inc. (website: http//www.supertex.com)
©2013 Supertex inc. All rights reserved. Unauthorized use or reproduction is prohibited.
Supertex inc.
Doc.# DSFP-HV7802
A062813
1235 Bordeaux Drive, Sunnyvale, CA 94089
Tel: 408-222-8888
5 www.supertex.com
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet HV7802.PDF ] | |
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