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PDF ZDS1009 Data sheet ( Hoja de datos )
| Número de pieza | ZDS1009 | |
| Descripción | COMPLEMENTARY CURRENT MIRROR | |
| Fabricantes | Zetex Semiconductors | |
| Logotipo |  |
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SM-8 COMPLEMENTARY CURRENT MIRROR
ZDS1009
DESCRIPTION
The ZDS1009 current mirror has been developed The device functions by sensing the voltage developed
specifically for high side, current sense plus level across an external (user defined) high side current
translation applications and as such will find a broad sense resistor, and by an arrangement of current
applications base including battery charge mirrors refer this sensed voltage, with or without
management, DC motor control and over current multiplication, to a low side referenced signal. This
monitoring functions. It is of particular interest for signal can then be used, for example, to close the
current sense applications for feedback purposes in fast control loop to a controller IC, for a DC-DC converter
battery chargers for Li-Ion cell based systems.
providing charge to a battery.
FEATURES
• Excellent Temperature Tracking Characteristics
• Compact Cost Effective Solution
• Simplifies Circuit Implementation
• Broad application base from
Single Cell Li-ion High Side Current sense chargers to
Multi-cell Lead-Acid systems
• Only 4 Connections required
SM-8
(8 LEAD SOT223)
SCHEMATIC DIAGRAM
TYPICAL APPLICATION CIRCUIT
R
V=
sense
IR 4
2R
1
For balance R3=R4
eg
R2=100mΩ
R1=R3=R4=100Ω
Vsense sensitivity = 100mV/A
CONNECTION DIAGRAM
ISSUE 2 - JANUARY 2000
1
1 page  
PACKAGE DIMENSIONS
He
E
o
45°
Lp
c
ZDS1009
A DIM
A1
A
A1
b
c
D
E
e1
e2
He
Lp
α
β
Millimetres
Min Typ Max
- - 1.7
0.02 - 0.1
- 0.7 -
0.24
- 0.32
6.3 - 6.7
3.3 - 3.7
- 4.59 -
- 1.53 -
6.7 - 7.3
0.9 -
-
- - 15°
- 10° -
Inches
Min Typ
--
0.0008 -
- 0.028
0.009 -
0.248 -
0.130 -
- 0.180
- 0.060
0.264 -
0.035 -
--
- 10°
Max
0.067
0.004
-
0.013
0.264
0.145
-
-
0.287
-
15°
-
ORDERING INFORMATION
DEVICE
ZDS1009
PARTMARKING
S1009
Zetex plc.
Fields New Road, Chadderton, Oldham, OL9 8NP, United Kingdom.
Telephone: (44)161 622 4422 (Sales), (44)161 622 4444 (General Enquiries)
Fax: (44)161 622 4420
Zetex GmbH
Streitfeldstraße 19
D-81673 München
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
Zetex Inc.
47 Mall Drive, Unit 4
Commack NY 11725
USA
Telephone: (631) 543-7100
Fax: (631) 864-7630
Zetex (Asia) Ltd.
3510 Metroplaza, Tower 2
Hing Fong Road,
Kwai Fong, Hong Kong
Telephone:(852) 26100 611
Fax: (852) 24250 494
These are supported by
agents and distributors in
major countries world-wide
© Zetex plc 2000
Internet:http://www.zetex.com
This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied or reproduced
for any purpose or form part of any order or contract or be regarded as a representation relating to the products or services concerned. The Company
reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service.
ISSUE 2 - JANUARY 2000
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet ZDS1009.PDF ] | |
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