cs5208-1 ON Semiconductor, cs5208-1 Datasheet

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cs5208-1

Manufacturer Part Number
cs5208-1
Description
8.0 A Ldo 3?pin Adjustable Linear Regulator
Manufacturer
ON Semiconductor
Datasheet

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CS5208−1
8.0 A LDO 3−Pin Adjustable
Linear Regulator
voltages from 1.25 V to 4.5 V. This adjustable device requires two
external resistors to set the output voltage and provide the minimum
load current for proper regulation.
microprocessor supply. The fast loop response and low dropout
voltage make this regulator ideal for applications where low voltage
operation and good transient response are important.
1.0 V at 8.0 A.
overcurrent and thermal shutdown protection circuitry.
Features
© Semiconductor Components Industries, LLC, 2006
September, 2006 − Rev. 6
The CS5208−1 linear regulator provides 8.0 A
This regulator is intended for use as a post regulator and
The circuit is designed to operate with dropout voltages as low as
The regulator is protected against overload conditions with
The regulator is available in a TO−220 package.
1.25 V to 4.5 V V
Dropout Voltage < 1.0 V @ 8.0 A
1.5% Trimmed Reference
Fast Transient Response
Thermal Shutdown
Current Limit
Short Circuit Protection
5.0 V
100 μF
Figure 1. Applications Diagram
V
IN
OUT
CS5208−1
Adj
at 8.0 A
0.1 μF
V
OUT
124
200
Load
3.3 V @ 8.0 A
at adjustable
300 μF
1
CS5208−1GT3
*TO−220 is 3−pin, straight leaded.
Device
1
ORDERING INFORMATION
2
PIN CONNECTIONS AND
CS5208−1
AWLYWW
3
A
WL, L
YY, Y
WW, W = Work Week
1
MARKING DIAGRAMS
http://onsemi.com
= Assembly Location
= Wafer Lot
= Year
Package
TO−220*
Publication Order Number:
THREE LEAD
Tab = V
Pin
CASE 221A
T SUFFIX
TO−220
1. Adjust
2. V
3. V
50 Units/Rail
OUT
Shipping
OUT
IN
CS5208−1/D

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cs5208-1 Summary of contents

Page 1

... CS5208−1 8.0 A LDO 3−Pin Adjustable Linear Regulator The CS5208−1 linear regulator provides 8.0 A voltages from 1. 4.5 V. This adjustable device requires two external resistors to set the output voltage and provide the minimum load current for proper regulation. This regulator is intended for use as a post regulator and microprocessor supply ...

Page 2

MAXIMUM RATINGS* Input Voltage Operating Junction Temperature Range Storage Temperature Range Lead Temperature Soldering: ESD Damage Threshold 1. 10 second maximum. *The maximum package power dissipation must be observed. ELECTRICAL CHARACTERISTICS Characteristic Adjustable Output Voltage Reference Voltage Line Regulation Load ...

Page 3

PACKAGE PIN DESCRIPTION Package Pin Number TO−220 Pin Symbol 1 Adjust 2 V OUT BIAS and TSD TYPICAL PERFORMANCE CHARACTERISTICS 0.100 0.075 0.050 0.025 0 ...

Page 4

100 110 120 130 TCase (°C) Figure 5. Adjust Pin Current vs. Temperature 1.25 1.00 0.75 0.50 0.25 ...

Page 5

... Value and type may be varied to optimize performance vs price. APPLICATION NOTES OTHER ADJUSTABLE OPERATION CONSIDERATIONS The CS5208−1 linear regulator has an absolute maximum specification of 6.0 V for the voltage difference between V and V . However, the IC may be used to regulate voltages OUT in excess of 6 ...

Page 6

... The discharge current depends on the value of the capacitor, the output voltage and the rate at which V CS5208−1 regulator, the discharge path is through a large junction and protection diodes are not usually needed. If the regulator is used with large values of output capacitance and the input voltage is instantaneously shorted to ground, damage can occur ...

Page 7

... R QJA + R QJC ) R QCS ) R QSA R is rated @ 1.4°C/W for the CS5208−1. For a high ΘJC current regulator such as the CS5208−1 the majority of heat I IN(max) is generated in the power transistor section. The value for R depends on the heat sink type, while the R ΘSA ...

Page 8

... BSC 5.08 BSC Q 0.100 0.135 2.54 3.42 R 0.080 0.115 2.04 2.92 S 0.020 0.055 0.51 1.39 T 0.235 0.255 5.97 6.47 U 0.000 0.050 0.00 1.27 V 0.045 −−− 1.15 −−− Unit °C/W °C/W ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative CS5208−1/D ...

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