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LD1585CXX

STMicroelectronics
Part Number LD1585CXX
Manufacturer STMicroelectronics
Description 5A low dropout fast response positive voltage regulator adjustable
Published Nov 17, 2008
Detailed Description LD1585CXX 5 A low dropout fast response positive voltage regulator adjustable Features ■ ■ Typical dropout 1.2 V Fast t...
Datasheet PDF File LD1585CXX PDF File

LD1585CXX
LD1585CXX

Overview
LD1585CXX 5 A low dropout fast response positive voltage regulator adjustable Features ■ ■ Typical dropout 1.
2 V Fast transient response up to 5 A ■ Three terminal adjustable www.
DataSheet4U.
com ■ Guaranteed output current ■ ■ ■ ■ ■ Output tolerance ± 1 % at 25 °C and ± 2 % in full temperature range Internal power and thermal limit Wide operating temperature range 0 °C to 125 °C Package available: TO-220 Pinout compatibility with standard adjustable VREG The device is supplied in TO-220.
On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1 % at 25 °C.
TO-220 Description The LD1585C is a low drop voltage regulator able to provide up to 5 A of output current.
Dropout is guaranteed at a maximum of 1.
4 V at the maximum output current, decreasing at lower loads.
The device has been improved to be utilized in low voltage applications where transient response and minimum input voltage are critical.
The most important feature of the device consist in lower dropout voltage and very fast transient response.
A 2.
85 V output version is suitable for SCSI-2 active termination.
Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the LD1585C quiescent current flows into the load, so increase efficiency.
Only a 10 µF minimum capacitor is need for stability.
Table 1.
Device summary Part number LD1585CXX Order code LD1585CV Output voltage ADJ July 2008 Rev 8 1/15 www.
st.
com 15 Contents LD1585CXX Contents 1 2 3 4 www.
DataSheet4U.
com Diagram .
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3 Pin configuration .
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4 Maximum ratings .
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5 Typical application .
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6 Electrical characteristics .
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