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PDF SC310 Data sheet ( Hoja de datos )
| Número de pieza | SC310 | |
| Descripción | High-Side Current-Sense Amplifier | |
| Fabricantes | Semtech | |
| Logotipo |  |
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SC310
High-Side Current-Sense Amplifier
with Low Impedance Vwwowl.tDaatagSeheeOt4Uu.ctomput
POWER MANAGEMENT
Description
Features
The SC310 is a high-side current sense amplifier ideal for
any application where precision current monitoring is
needed. Possible uses include battery-powered products
such as cellphones and notebooks, as well as industrial
and data acquisition applications. The wide 2.7V to 25V
common mode input range is independent of supply range,
providing complete flexibility in battery sensing applica-
tions.
The Current-Sense Amplifier offers three gain versions,
SC310A (gain 20 V/V), SC310B (gain 50 V/V) and
SC310C (gain 100 V/V). An external shutdown pin
(SHDN) enables turn off for the IC. A buffered output
with low impedance renders the overall gain immune to
load resistance. Output range is from 0V to Vcc - 1.7V.
Other features include tiny SOT-23-6 packaging, very low
supply current, and wide supply voltage range (3V to 25V).
The SC310 is rated for operation over the Industrial Tem-
perature range (-40°C to +125°C).
Three gain versions (20V/V, 50V/V, 100V/V)
available
2.7V to 25V input common mode range
3V to 25V supply voltage range
270 μA supply current
1% typical accuracy
Buffered low impedance voltage output
Industrial temperature range (-40°C to +125°C)
Small, lead-free SOT23-6 Package
Applications
Notebook and Tablet PCs
Data Acquisition
Battery Packs
Charging Applications
Industrial and Embedded Applications
Typical Application Circuit
2.7V to 25V
RSENSE
ILOAD
3V - 25V
0.1uF
VCC OUT
VOUT
Load/
Battery
0.1uF
June 4, 2007
www.semtech.com
1
1 page  
SC310
POWER MANAGEMENT
Electrical Characteristics
VCS+ = 12V, VCC = 12V, VSENSE = 100mV, TA = 25°C, unless otherwise specified
Supply CuTrrent
v/s Supply Voltage
0.4
0.3 SC310C
SC310A SC310B
0.2
0.1
0
0
1
0.8
0.6
0.4
0.2
0
0
5 10 15 20
Supply Voltage (V)
Total Output Voltage Error
v/s Supply Voltage
SC310C
SC310A
SC310B
5 10 15 20
Supply Voltage (V)
25
25
150
140
130
120
110
100
0
1.00
0.80
0.60
0.40
0.20
0.00
0
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
SC310A Gain Accuracy
with Temperature
-40 deg. C
Room Temp.
+85 deg. C
40 80
Sense Voltage (mV)
120
2005 Semtech Corp.
1.2
1
0.8
0.6
0.4
0.2
0
160 0
5
www.DataSheet4U.com
Bias Current v/s
Common-Mode Voltage
SC310A
SC310B
SC310C
5 10 15 20
Common-Mode Voltage (V)
Total Output Voltage Error
v/s Common-Mode Voltage
SC310A
SC310B
SC310C
25
5 10 15 20
Common-Mode Voltage (V)
SC310B Gain Accuracy
with Temperature
25
Room Temp
+85 deg. C
-40 deg. C
40 80
Sense Voltage (mV)
120 160
www.semtech.com
5 Page 
SC310
POWER MANAGEMENT
Outline Drawing - SOT-23-6
www.DataSheet4U.com
A
2X E/2
N
ccc C
2X N/2 TIPS
12
B
e1 D
EI E
e
aaa C
SEATING
PLANE
C
D
A2 A
A1
bxN
bbb C A-B D
DIMENSIONS
DIM
INCHES
MIN NOM MAX
MILLIMETERS
MIN NOM MAX
A .035 - .057 0.90 - 1.45
A1 .000 - .006 0.00 - 0.15
A2 .035 .045 .051 .90 1.15 1.30
b .010 - .020 0.25 - 0.50
c .003 - .009 0.08 - 0.22
D .110 .114 .118 2.80 2.90 3.00
E1 .060 .063 .069 1.50 1.60 1.75
E .110 BSC
2.80 BSC
e .037 BSC
0.95 BSC
e1 .075 BSC
1.90 BSC
L .012 .018 .024 0.30 0.45 0.60
L1 (.024)
(0.60)
N6
6
01 0° - 10° 0° - 10°
aaa .004
0.10
bbb .008
0.20
ccc .008
0.20
HH
GAGE
PLANE
c
SIDE VIEW
0.25
SEE DETAIL A
L
(L1)
DETAIL A
01
NOTES:
1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
2. DATUMS -A- AND -B- TO BE DETERMINED AT DATUM PLANE -H-
3. DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS
OR GATE BURRS.
Land Pattern - SOT-23-6
X DIMENSIONS
DIM INCHES MILLIMETERS
C (.098)
(2.50)
(C)
GZ
G .055
P .037
1.40
0.95
Y X .024 0.60
Y .043
1.10
P
Z .141
3.60
NOTES:
1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
2005 Semtech Corp.
11
www.semtech.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SC310.PDF ] | |
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