LD1086D2T15R datasheet(1/37 Pages) STMICROELECTRONICS

номер детали	LD1086D2T15R

подробное описание детали	1.5A Low drop positive voltage regulator adjustable and fixed

PDF	37 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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July 2007

Rev. 18

1/37

37

LD1086xx

1.5A Low drop positive voltage regulator adjustable and fixed

Features

■ Typical dropout 1.3V at 1.5A

■ Three terminal adjustable or fixed output

voltage 1.5V, 1.8V, 2.5V, 3.3V, 3.6V, 5V, 8V,

9V, 12V.

■ Guaranteed output current up to 1.5A

■ Output tolerance ±1% at 25°C and ±2% in full

temperature range

■ Internal power and thermal limit

■ Wide operating temperature range

-40°C to 125°C

■ Package available: TO-220, D2PAK, D2PAK/A,

DPAK

■ Pinout compatibility with standard adjustable

VREG

Description

The LD1086 is a LOW DROP voltage regulator

able to provide up to 1.5A of output current.

Dropout is guaranteed at a maximum of 1.2V at

the maximum output current, decreasing at lower

loads. The LD1086 is pin to pin compatible with

the older 3-terminal adjustable regulators, but has

better performances in term of drop and output

tolerance.

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 LD1086 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, D2PAK/A

and DPAK. On chip trimming allows the regulator

to reach a very tight output voltage tolerance,

within ±1% at 25°C.

DPAK

D2PAK/A

TO-220

D2PAK

Table 1.

Device summary

Part number

LD1086XX

LD1086XX33

LD1086XX12

LD1086XX36

LD1086XX15

LD1086XX50

LD1086XX18

LD1086XX80

LD1086XX25

LD1086XX90

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