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CS52510-1 Datasheet

10A LDO 5-Pin Adjustable Linear Regulator

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CS52510−1
10 A LDO 5−Pin Adjustable
Linear Regulator
This new very low dropout regulator is designed to power the next
generation of advanced microprocessor. To achieve very low dropout,
the internal pass transistor is powered separately from the control
circuitry. Furthermore, with the control and power inputs tied together,
this device can be used in single supply configuration and still offer a
better dropout voltage than conventional PNPNPN based LDO
regulators. In this mode the dropout is determined by the minimum
control voltage.
It is supplied in a fiveterminal TO220 package, which allows for
the implementation of a remotesense pin permitting very accurate
regulation of output voltage directly at the load, where it counts, rather
than at the regulator. This remote sensing feature virtually eliminates
output voltage variations due to load changes and resistive voltage
drops. Typical load regulation measured at the sense pin is 1.0 mV for
an output voltage of 2.5 V with a load step of 10 mA to 10 A.
The very fast transient loop response easily meets the needs of the
latest microprocessors. In addition, a small capacitor on the Adjust pin
will further improve the transient capabilities.
Internal protection circuitry provides for “bustproof” operation,
similar to threeterminal regulators. This circuitry, which includes
overcurrent, short circuit, supply sequencing and overtemperature
protection, will self protect the regulator under all fault conditions.
The CS525101 is ideal for generating a secondary 2.02.5 V low
voltage supply on a motherboard where both 5.0 V and 3.3 V are
already available.
Features
1.25 V to 5.0 V VOUT at 10 A
VPOWER Dropout < 0.65 V @ 10 A
VCONTROL Dropout < 1.25 V @ 10 A
1.5% Trimmed Reference
Fast Transient Response
Remote Voltage Sensing
Thermal Shutdown
Current Limit
Short Circuit Protection
Backwards Compatible with 3Pin Regulators
http://onsemi.com
1
5
TO220
FIVE LEAD
T SUFFIX
CASE 314D
Tab = VOUT
Pin 1. VSENSE
2. Adjust
3. VOUT
4. VCONTROL
5. VPOWER
MARKING DIAGRAM
CS525101
AWLYWW
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
ORDERING INFORMATION
Device
CS525101GT5
Package
TO220
FIVE LEAD
Shipping
50 Units/Rail
© Semiconductor Components Industries, LLC, 2006
September, 2006 Rev. 6
1
Publication Order Number:
CS525101/D


  ON Semiconductor Electronic Components Datasheet  

CS52510-1 Datasheet

10A LDO 5-Pin Adjustable Linear Regulator

No Preview Available !

5.0 V
3.3 V
10 μF
10 V
CS525101
VCONTROL
VOUT
CS525101
VPOWER
VSENSE
Adjust
100 μF
5.0 V
0.1 μF
5.0 V
124
1.0%
124
1.0%
Load
2.5 V @ 10 A
300 μF
5.0 V
Figure 1. Application Diagram
MAXIMUM RATINGS*
Rating
VPOWER Input Voltage
VCONTROL Input Voltage
Operating Junction Temperature Range, TJ
Storage Temperature Range
ESD Damage Threshold
Lead Temperature Soldering:
1. 10 second maximum.
*The maximum package power dissipation must be observed.
Wave Solder: (through hole styles only) (Note 1)
Value
6.0
13
0 to 150
65 to +150
2.0
260 peak
Unit
V
V
°C
°C
kV
°C
ELECTRICAL CHARACTERISTICS (0°C TA 70°C; 0°C TJ 150°C; VSENSE = VOUT and VADJ = 0 V; unless
otherwise specified.)
Characteristic
Test Conditions
Min Typ Max Unit
CS525101
Reference Voltage
VCONTROL = 2.75 V to 12 V, VPOWER = 2.5 V to 5.5 V,
10 mA IOUT 10 A
1.234
(1.5%)
1.253
1.272
(+1.5%)
V
Line Regulation
VCONTROL = 2.5 V to 12 V, VPOWER = 1.75 V to 5.5 V, 0.02 0.2 %
IOUT = 10 mA
Load Regulation (Note 2)
VCONTROL = 2.75 V, VPOWER = 2.5 V,
IOUT = 10 mA to 10 A, with Remote Sense
0.04 0.2 %
Minimum Load Current (Note 3)
VCONTROL = 5.0 V, VPOWER = 3.3 V, ΔVOUT = +1.0%
5.0 10 mA
Control Pin Current (Note 4) VCONTROL = 2.75 V, VPOWER = 2.5 V, IOUT = 100 mA 6.0 10 mA
VCONTROL = 2.75 V, VPOWER = 2.5 V, IOUT = 4.0 A
30 60 mA
VCONTROL = 2.75 V, VPOWER = 1.75 V, IOUT = 4.0 A
33 70 mA
VCONTROL = 2.75 V, VPOWER = 2.5 V, IOUT = 10 A
80 180 mA
Adjust Pin Current
VCONTROL = 2.75 V, VPOWER = 2.5 V, IOUT = 10 mA
60 120 μA
Current Limit
VCONTROL = 2.75 V, VPOWER = 2.5 V, ΔVOUT = 1.5%
10.1
11
A
Short Circuit Current
VCONTROL = 2.75 V, VPOWER = 2.5 V, VOUT = 0 V
8.0 9.5 A
2. This parameter is guaranteed by design and is not 100% production tested.
3. The minimum load current is the minimum current required to maintain regulation. Normally the current in the resistor divider used to set
the output voltage is selected to meet the minimum load current requirement.
4. The control pin current is the drive current required for the output transistor. This current will track output current with roughly a 1:100 ratio.
The minimum value is equal to the quiescent current of the device.
http://onsemi.com
2


Part Number CS52510-1
Description 10A LDO 5-Pin Adjustable Linear Regulator
Maker ON Semiconductor
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CS52510-1 Datasheet PDF






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