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CS5257A-1

ON Semiconductor
Part Number CS5257A-1
Manufacturer ON Semiconductor
Description 7.0A LDO 5-Pin Adjustable Linear Regulator
Published Oct 5, 2022
Detailed Description CS5257A−1 7.0 A LDO 5−Pin Adjustable Linear Regulator This new very low dropout regulator is designed to power the next...
Datasheet PDF File CS5257A-1 PDF File

CS5257A-1
CS5257A-1


Overview
CS5257A−1 7.
0 A LDO 5−Pin Adjustable Linear Regulator This new very low dropout regulator is designed to power the next generation of advanced microprocessors.
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 PNP−NPN based LDO regulators.
In this mode the dropout is determined by the minimum control voltage.
It is supplied in five−terminal TO−220−5 and D2PAK−5 packages, allowing for the implementation of a remote−sense 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 7.
0 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 “bust−proof” operation, similar to three−terminal regulators.
This circuitry, which includes overcurrent, short circuit, supply sequencing and overtemperature protection will self protect the regulator under all fault conditions.
The CS5257A−1 is ideal for generating a secondary 2.
0 V − 2.
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 7.
0 A • VPOWER Dropout < 0.
35 V @ 7.
0 A • VCONTROL Dropout < 1.
1 V @ 7.
0 A • 1.
5% Trimmed Reference • Fast Transient Response • Remote Voltage Sensing • Thermal Shutdown • Current Limit • Short Circuit Protection • Drop−In Replacement for LT1580 • Backwards Compatible with 3−Pin Regulators © Semiconductor Compone...


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