LD1086DT28TR datasheet, PDF - EEWORLD Datasheet

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LD1086DT28TR: Description2.85V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO2, DPAK-3; CategoryPower/power management The power supply circuit; File Size822KB，21 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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LD1086DT28TR Overview

2.85V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO2, DPAK-3

LD1086DT28TR Parametric

Parameter Name	Attribute value
Maker	STMicroelectronics
Parts packaging code	TO-252
package instruction	DPAK-3
Contacts	3
Reach Compliance Code	compliant
ECCN code	EAR99
Adjustability	FIXED
Maximum drop-back voltage 1	1.5 V
Nominal dropback voltage 1	1.3 V
Maximum absolute input voltage	30 V
Maximum input voltage	30 V
Minimum input voltage	4.5 V
JESD-30 code	R-PSSO-G2
length	6.5 mm
Maximum grid adjustment rate	0.006%
Maximum load regulation	0.02%
Number of functions	1
Output times	1
Number of terminals	2
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min	-40 °C
Maximum output current 1	1.5 A
Maximum output voltage 1	2.907 V
Minimum output voltage 1	2.793 V
Nominal output voltage 1	2.85 V
Package body material	PLASTIC/EPOXY
encapsulated code	TO-252
Encapsulate equivalent code	SMSIP3H,.38,90TB
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
method of packing	TAPE AND REEL
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	2.63 mm
surface mount	YES
technology	BIPOLAR
Terminal form	GULL WING
Terminal pitch	2.28 mm
Terminal location	SINGLE
Maximum voltage tolerance	2%
width	6.1 mm

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LD1086

SERIES

1.5A LOW DROP POSITIVE VOLTAGE

REGULATOR ADJUSTABLE AND FIXED

TYPICAL DROPOUT 1.3V AT 1.5A

THREE TERMINAL ADJUSTABLE OR FIXED

OUTPUT VOLTAGE 1.5V, 1.8V, 2.5V, 2.85V,

3.3V, 3.6V, 5V, 8V, 9V, 12V.

GUARANTEED OUTPUT CURRENT UP TO

1.5A

OUPUT 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, D

PAK,

PAK/A, DPAK

PINOUT COMPATIBILITY WITH STANDARD

ADJUSTABLE VREG

TO-220

DPAK

PAK

PAK/A

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.

Table 1: Order Codes

TO-220

LD1086V15

LD1086V18

LD1086V25

LD1086V28

LD1086V33

LD1086V36

LD1086V50

LD1086V80

LD1086V90

LD1086V12

LD1086V

PAK (*)

LD1086D2T15

LD1086D2T18

LD1086D2T25

LD1086D2T28

LD1086D2T33

LD1086D2T36

LD1086D2T50

LD1086D2T80

LD1086D2T90

LD1086D2T12

LD1086D2T

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, D

PAK, D

PAK/A

and DPAK. On chip trimming allows the regulator

to reach a very tight output voltage tolerance,

within ±1% at 25°C.

PAK/A (*)

LD1086D2M15

LD1086D2M18

LD1086D2M25

LD1086D2M28

LD1086D2M33

LD1086D2M36

LD1086D2M50

LD1086D2M80

LD1086D2M90

LD1086D2M12

LD1086D2M

DPAK (*)

LD1086DT15

LD1086DT18

LD1086DT25

LD1086DT28

LD1086DT33

LD1086DT36

LD1086DT50

LD1086DT80

LD1086DT90

LD1086DT12

LD1086DT

OUTPUT VOLTAGE

1.5 V

1.8 V

2.5 V

2.85 V

3.3 V

3.6 V

5.0 V

8.0 V

9.0 V

12.0 V

ADJ

(*) Available in Tape & Reel with the suffix "TR".

February 2005

Rev. 13

1/21

LD1086DT28TR Related Products

	LD1086DT28TR	LD1086D2T15TR	LD1086D2T28TR	LD1086D2M15TR	LD1086DT15TR
Description	2.85V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO2, DPAK-3	1.5V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO2, D2PAK-3	2.85V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO2, D2PAK-3	1.5V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO3, D2PAK/A-3	1.5V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO2, DPAK-3
Maker	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Parts packaging code	TO-252	D2PAK	D2PAK	D2PAK	TO-252
package instruction	DPAK-3	D2PAK-3	D2PAK-3	D2PAK/A-3	TO-252, SMSIP3H,.38,90TB
Contacts	3	3	3	3	3
Reach Compliance Code	compliant	compliant	compliant	compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99
Adjustability	FIXED	FIXED	FIXED	FIXED	FIXED
Maximum drop-back voltage 1	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V
Nominal dropback voltage 1	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V
Maximum absolute input voltage	30 V	30 V	30 V	30 V	30 V
Maximum input voltage	30 V	30 V	30 V	30 V	30 V
Minimum input voltage	4.5 V	3.4 V	4.5 V	3.4 V	3.4 V
JESD-30 code	R-PSSO-G2	R-PSSO-G2	R-PSSO-G2	R-PSSO-G3	R-PSSO-G2
length	6.5 mm	10.2 mm	10.2 mm	10.2 mm	6.5 mm
Maximum grid adjustment rate	0.006%	0.004%	0.006%	0.004%	0.004%
Maximum load regulation	0.02%	0.016%	0.02%	0.016%	0.016%
Number of functions	1	1	1	1	1
Output times	1	1	1	1	1
Number of terminals	2	2	2	3	2
Working temperatureTJ-Max	125 °C	125 °C	125 °C	125 °C	125 °C
Working temperature TJ-Min	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Maximum output current 1	1.5 A	1.5 A	1.5 A	1.5 A	1.5 A
Maximum output voltage 1	2.907 V	1.53 V	2.907 V	1.53 V	1.53 V
Minimum output voltage 1	2.793 V	1.47 V	2.793 V	1.47 V	1.47 V
Nominal output voltage 1	2.85 V	1.5 V	2.85 V	1.5 V	1.5 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TO-252	TO-263	TO-263	TO-263	TO-252
Encapsulate equivalent code	SMSIP3H,.38,90TB	SMSIP3H,.55TB	SMSIP3H,.55TB	SMSIP3H,.55TB	SMSIP3H,.38,90TB
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
method of packing	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	2.63 mm	4.83 mm	4.83 mm	4.83 mm	2.63 mm
surface mount	YES	YES	YES	YES	YES
technology	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	2.28 mm	2.54 mm	2.54 mm	2.54 mm	2.28 mm
Terminal location	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE
Maximum voltage tolerance	2%	2%	2%	2%	2%
width	6.1 mm	9.15 mm	9.15 mm	9.15 mm	6.1 mm
Base Number Matches	-	1	1	1	-

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