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  ON Semiconductor Electronic Components Datasheet  

CS5205A-1 Datasheet

5.0A Adjustable Linear Regulator

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CS5205A−1
5.0 A Adjustable Linear
Regulator
The CS5205A1 linear regulator provides 5.0 A at an adjustable
voltage with an accuracy of ±1%. Two external resistors are used to set
the output voltage within a 1.25 V to 13 V range.
The regulator is intended for use as a post regulator and
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.
The circuit is designed to operate with dropout voltages as low as
1.0 V depending on the output current level. The maximum quiescent
current is only 10 mA at full load.
The regulator is fully protected against overload conditions with
protection circuitry for Safe Operating Area (SOA), overcurrent and
thermal shutdown.
The CS5205A1 is pin compatible with the LT1084 family of linear
regulators but has lower dropout voltage.
The regulator is available in TO2203 and surface mount
D2PAK3 packages.
Features
Output Current to 5.0 A
Output Trimmed to ±1%
Dropout Voltage 1.15 V @ 5.0 A
Fast Transient Response
Fault Protection Circuitry
Thermal Shutdown
Overcurrent Protection
Safe Area Protection
VOUT
VIN
Thermal
Shutdown
Bandgap
Output
Current
Limit
+ Error
Amplifier
Adj
Figure 1. Block Diagram
http://onsemi.com
12 3
123
TO2203
T SUFFIX
CASE 221A
D2PAK3
DP SUFFIX
CASE 418AB
Tab = VOUT
Pin 1. Adj
2. VOUT
3. VIN
MARKING DIAGRAMS
TO2203
D2PAK3
CS5205A1
AWLYWW
CS5205A1
AWLYWW
1
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
© Semiconductor Components Industries, LLC, 2006
September, 2006 Rev. 7
1
Publication Order Number:
CS5205A1/D


  ON Semiconductor Electronic Components Datasheet  

CS5205A-1 Datasheet

5.0A Adjustable Linear Regulator

No Preview Available !

CS5205A1
MAXIMUM RATINGS*
Supply Voltage, VCC
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Lead Temperature Soldering:
Parameter
1. 10 second maximum.
2. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
Wave Solder (through hole styles only) Note 1
Reflow (SMD styles only) Note 2
Value
17
40 to +70
150
60 to +150
260 Peak
230 Peak
Unit
V
°C
°C
°C
°C
ELECTRICAL CHARACTERISTICS (CIN = 10 μF, COUT = 22 μF Tantalum, VIN VOUT = 3.0 V, VIN 15 V, 0°C TA 70°C,
TJ +150°C, unless otherwise specified, Ifull load = 5.0 A.)
Characteristic
Test Conditions
Min Typ Max
Unit
Adjustable Output Voltage
Reference Voltage (Notes 3 and 4)
Line Regulation
Load Regulation (Notes 3 and 4)
Dropout Voltage (Note 5)
Current Limit
Minimum Load Current
Adjust Pin Current
VIN VOUT = 1.5 V; VAdj = 0 V,
10 mA IOUT 5.0 A
1.5 V VIN VOUT 6.0 V; IOUT = 10 mA
VIN VOUT = 1.5 V; 10 mA IOUT 5.0 A
IOUT = 5.0 A; TJ 25°C
VIN VOUT = 3.0 V; TJ 25°C
VIN VOUT = 9.0 V
VIN VOUT = 7.0 V
1.241
(1%)
5.5
1.254
0.04
0.08
1.15
8.5
1.0
1.2
50
1.266
(+1%)
0.20
0.4
1.25
6.0
100
V
%
%
V
A
A
mA
μA
Adjust Pin Current Change
Thermal Regulation
Ripple Rejection
Temperature Stability
1.5 V VIN VOUT 4.0 V;
10 mA IOUT 5.0 A
30 ms pulse; TA = 25°C
f = 120 Hz; CAdj = 25 μF; IOUT = 5.0 A
0.2 5.0 μA
0.003 %W
82 dB
0.5 %
RMS Output Noise
Thermal Shutdown
10 Hz f 10 kHz; TA = 25°C
0.003
150 180
%VOUT
°C
Thermal Shutdown Hysteresis
− − 25 °C
3. Load regulation and output voltage are measured at a constant junction temperature by low duty cycle pulse testing. Changes in output
voltage due to thermal gradients or temperature changes must be taken into account separately.
4. Specifictions apply for an external Kelvin sense connection at a point on the output pin 1/4” from the bottom of the package.
5. Dropout voltage is a measurement of the minimum input/output differentail at full load.
PACKAGE PIN DESCRIPTION
Package Pin Number
TO2203
D2PAK3
11
22
33
Pin Symbol
Adj
VOUT
VIN
Function
Adjust pin (low side of the internal reference).
Regulated output voltage (case).
Input voltage.
http://onsemi.com
2


Part Number CS5205A-1
Description 5.0A Adjustable Linear Regulator
Maker ON Semiconductor
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