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PDF CS8183YDWFR20G Data sheet ( Hoja de datos )
| Número de pieza | CS8183YDWFR20G | |
| Descripción | Dual Micropower 200mA Low Dropout Tracking Regulator/Line Driver | |
| Fabricantes | ON Semiconductor | |
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CS8183
Dual Micropower 200 mA
Low Dropout Tracking
Regulator/Line Driver
The CS8183 is a dual low dropout tracking regulator designed to
provide adjustable buffered output voltages that closely track
(±10 mV) the reference inputs. The outputs deliver up to 200 mA
while being able to be configured higher, lower or equal to the
reference voltages.
The outputs have been designed to operate over a wide range (2.8 V
to 45 V) while still maintaining excellent DC characteristics. The
CS8183 is protected from reverse battery, short circuit and thermal
runaway conditions. The device also can withstand 45 V load dump
transients and −50 V reverse polarity input voltage transients. This
makes it suitable for use in automotive environments.
The VREF/ENABLE leads serve two purposes. They are used to
provide the input voltage as a reference for the output and they also
can be pulled low to place the device in sleep mode where it nominally
draws less than 30 mA from the supply.
The two trackers can be combined in parallel doubling the capability
to 400 mA for a single application.
Features
• Two Regulated Outputs 200 mA, ±10 mV Track Worst Case
• Low Dropout (0.35 V typ @ 200 mA)
• Low Quiescent Current
• Independent Thermal Shutdown
• Short Circuit Protection
• Wide Operating Range
• Internally Fused Leads in the SO−20W Package
• These are Pb−Free Devices
http://onsemi.com
20
1
SO−20WB
DWF SUFFIX
CASE 751D
PIN CONNECTIONS AND
MARKING DIAGRAM
1
VOVUINT11
NC
NC
GND
GND
NC
NC
VADJ1
VREF/ENABLE1
20
VOUT2
VIN2
NC
NC
GND
GND
NC
NC
VREF/ENABLE2
VADJ2
8183 = Specific Device Code
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
ORDERING INFORMATION
Device
Package
Shipping†
CS8183YDWF20G SO−20WB 38 Units/Rail
(Pb−Free)
CS8183YDWFR20G SO−20WB 1000/Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2008
October, 2008 − Rev. 18
1
Publication Order Number:
CS8183/D
1 page  
CS8183
CIRCUIT DESCRIPTION
ENABLE Function
By pulling the VREF/ENABLE 1, 2 lead below 2.0 V
typically, (see Figure 10 or Figure 11), the IC is disabled and
enters a sleep state where the device draws less than 30 mA
from supply. When the VREF/ENABLE lead is greater than
2.75 V, VOUT tracks the VREF/ENABLE lead normally.
Output Voltage
Figures 7 through 12 only display one channel of the
device for simplicity. The configurations shown apply
for both channels.
The outputs are capable of supplying 200 mA to the load
while configured as a similiar (Figure 7), lower (Figure 9),
or higher (Figure 8) voltage as the reference lead. The Adj
lead acts as the inverting terminal of the op amp and the
VREF lead as the non−inverting.
The device can also be configured as a high−side driver as
displayed in Figure 12.
Loads VOUT, 200 mA VOUT
C2**
10 mF
GND
VIN
GND
GND GND
Adj VREF/
ENABLE
B+
C1*
1.0 mF
C3***
10 nF
5.0 V
VOUT + VREF
Figure 7. Tracking Regulator at the Same Voltage
Loads VOUT, 200 mA VOUT
C2**
10 mF
GND
GND
VIN
GND
GND
Adj VREF/
ENABLE
B+
C1*
1.0 mF
C3***
10 nF
R1
R2
VREF
Loads VOUT, 200 mA VOUT
C2**
10 mF
GND
RF GND
VIN
GND
GND
B+
C1*
1.0 mF
RA
Adj VREF/
ENABLE
C3***
10 nF
VREF
VOUT + VREF(1 ) RREA)
Figure 8. Tracking Regulator at Higher Voltages
VOUT, 200 mA VOUT
C2**
10 mF
GND
GND
VIN
GND
GND
Adj VREF/
ENABLE
from MCU
B+
C1*
1.0 mF
C3***
10 nF
R
VREF
VOUT + VREF(R1R)2R2)
Figure 9. Tracking Regulator at Lower Voltages
Figure 10. Tracking Regulator with ENABLE Circuit
6.0 V−40 V
100 nF
5.0 V
To Load 10 mF
(e.g. sensor)
VIN NCV8501 VREF (5.0 V)
VOUT
GND
VIN
GND
GND GND
Adj VREF/
ENABLE
C1*
1.0 mF
I/O
C3***
10 nF
200 mA
mC
VOUT
GND
VIN
GND
GND GND
Adj VREF/
ENABLE
C3***
10 nF
VOUT + B ) * VSAT
B+
MCU
Figure 11. Alternative ENABLE Circuit
* C1 is required if the regulator is far from the power source filter
** C2 is required for stability
*** C3 is recommended for EMC susceptibility
Figure 12. High−Side Driver
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5
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CS8183YDWFR20G.PDF ] | |
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