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LD1585C

ST Microelectronics
Part Number LD1585C
Manufacturer ST Microelectronics
Description 5A LOW DROPOUT FAST RESPONSE POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
Published Apr 25, 2005
Detailed Description LD1585C SERIES 5A LOW DROPOUT FAST RESPONSE POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED s s s s s s s s s TYPI...
Datasheet PDF File LD1585C PDF File

LD1585C
LD1585C

Overview
LD1585C SERIES 5A LOW DROPOUT FAST RESPONSE POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED s s s s s s s s s TYPICAL DROPOUT 1.
2V FAST TRANSIENT RESPONSE THREE TERMINAL ADJUSTABLE OR FIXED OUTPUT VOLTAGE 1.
5V 1.
8V, 2.
5V, 2.
85V, 3.
3V, 5V, 8V, 9V, 12V.
GUARANTEED OUTPUT CURRENT UP TO 5A OUPUT 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, D2PAK, D2PAK/A PINOUT COMPATIBILITY WITH STANDARD ADJUSTABLE VREG TO-220 D2PAK D2PAK/A DESCRIPTION The LD1585C is a LOW DROP Voltage Regulator able to provide up to 5A of Output Current.
Dropout is guaranteed at a maximum of 1.
4V 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 SCHEMATIC DIAGRAM response.
A 2.
85V 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 10µF minimum capacitor is need for stability.
The device is supplied in TO-220, D2PAK and D2PAK/A.
On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25°C.
September 2003 1/17 LD1585C SERIES ABSOLUTE MAXIMUM RATINGS Symbol VI IO PD Tstg Top DC Input Voltage Output Current Power Dissipation Storage Temperature Range Operating Junction Temperature Range Parameter² Value 30 Internally Limited Internally Limited -55 to +150 0 to +125 Unit V mA mW °C °C Absolute Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
THERMAL DATA Symbol Rthj-case Rthj-amb Parameter Thermal Resistance Junction-case Thermal R...


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