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CS5205-1 Datasheet

Fixed Linear Regulators

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CS5205−1, CS5205−3,
CS5205−5
5.0 A Adjustable, and
3.3 V and 5.0 V Fixed
Linear Regulators
The CS5205 x series of linear regulators provides 5.0 A at
adjustable and fixed voltages with an accuracy of ±1.0% and ±2.0%
respectively. The adjustable version uses two external resistors to set
the output voltage within a 1.25 V to 13 V range.
The regulators are intended for use as post regulators and
microprocessor supplies. The fast loop response and low dropout
voltage make these regulators 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 regulators are fully protected against overload conditions with
protection circuitry for Safe Operating Area (SOA), overcurrent and
thermal shutdown.
The CS5205x is pin compatible with the LT1084 family of linear
regulators but has lower dropout voltage.
The regulators are available in T O2203 and surface mount
D2PAK3 packages.
Features
Output Current to 5.0 A
Output Trimmed to ±1.0%
Dropout Voltage 1.2 V @ 5.0 A
Fast Transient Response
Fault Protection Circuitry
Thermal Shutdown
Overcurrent Protection
Safe Area Protection
VOUT
VIN
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TO2203
T SUFFIX
CASE 221A
Adjustable
Output
Tab = VOUT
Pin 1. Adj
2. VOUT
3. VIN
12 3
123
D2PAK3
DP SUFFIX
CASE 418AB
Fixed
Output
Tab = VOUT
Pin 1. GND
2. VOUT
3. VIN
MARKING DIAGRAMS
TO2203
D2PAK3
CS5205x
AWLYWW
CS5205x
AWLYWW
1
1
x = 1, 3, or 5
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 7 of this data sheet.
Thermal
Shutdown
Bandgap
Output
Current
Limit
+ Error
Amplifier
Adj
Figure 1. Block Diagram CS52051
© Semiconductor Components Industries, LLC, 2006
September, 2006Rev. 8
1
Publication Order Number:
CS52051/D
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  ON Semiconductor Electronic Components Datasheet  

CS5205-1 Datasheet

Fixed Linear Regulators

No Preview Available !

CS52051, CS52053, CS52055
VOUT
VIN
Thermal
Shutdown
Bandgap
Output
Current
Limit
+ Error
Amplifier
GND
Figure 2. Block Diagram CS52053, 5
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
°C
ELECTRICAL CHARACTERISTICS (CIN = 10 mF, C OUT = 22 mF 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 (CS52051)
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
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
1.2
8.5
1.0
1.2
50
1.266
(+1%)
0.20
0.4
1.3
6.0
100
V
%
%
V
A
A
mA
mA
Adjust Pin Current Change
1.5 V VIN VOUT 4.0 V;
10 mA IOUT 5.0 A
0.2 5.0 mA
Thermal Regulation
30 ms pulse; TA = 25°C
0.003 %W
3. Load regulation and output voltage are measured at a constant junction temperature by low duty cycle pulse testing. Changes i n output
voltage due to thermal gradients or temperature changes must be taken into account separately.
4. Specifications 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 differential at full load.
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2
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Part Number CS5205-1
Description Fixed Linear Regulators
Maker ON Semiconductor
Total Page 9 Pages
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