LD1086D2 STMICROELECTRONICS [STMicroelectronics], LD1086D2 Datasheet

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LD1086D2

Manufacturer Part Number
LD1086D2
Description
1.5A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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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
(*) Available in Tape & Reel with the suffix "TR".
February 2005
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
D
PINOUT COMPATIBILITY WITH STANDARD
ADJUSTABLE VREG
2
LD1086V15
LD1086V18
LD1086V25
LD1086V28
LD1086V33
LD1086V36
LD1086V50
LD1086V80
LD1086V90
LD1086V12
PAK/A, DPAK
LD1086V
TO-220
LD1086D2T15
LD1086D2T18
LD1086D2T25
LD1086D2T28
LD1086D2T33
LD1086D2T36
LD1086D2T50
LD1086D2T80
LD1086D2T90
LD1086D2T12
LD1086D2T
D
2
PAK (*)
REGULATOR ADJUSTABLE AND FIXED
2
PAK,
1.5A LOW DROP POSITIVE VOLTAGE
LD1086D2M15
LD1086D2M18
LD1086D2M25
LD1086D2M28
LD1086D2M33
LD1086D2M36
LD1086D2M50
LD1086D2M80
LD1086D2M90
LD1086D2M12
LD1086D2M
D
2
PAK/A (*)
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
and DPAK. On chip trimming allows the regulator
to reach a very tight output voltage tolerance,
within ±1% at 25°C.
TO-220
D
2
LD1086DT15
LD1086DT18
LD1086DT25
LD1086DT28
LD1086DT33
LD1086DT36
LD1086DT50
LD1086DT80
LD1086DT90
LD1086DT12
PAK
LD1086DT
DPAK (*)
Rev. 13
OUTPUT VOLTAGE
D
SERIES
2
DPAK
LD1086
2
PAK, D
PAK/A
2.85 V
12.0 V
1.5 V
1.8 V
2.5 V
3.3 V
3.6 V
5.0 V
8.0 V
9.0 V
ADJ
2
PAK/A
1/21

Related parts for LD1086D2

LD1086D2 Summary of contents

Page 1

... The device is supplied in TO-220, D and DPAK. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25° PAK (*) D PAK/A (*) LD1086D2M15 LD1086D2M18 LD1086D2M25 LD1086D2M28 LD1086D2M33 LD1086D2M36 LD1086D2M50 LD1086D2M80 LD1086D2M90 LD1086D2M12 LD1086D2M LD1086 SERIES TO-220 DPAK ...

Page 2

LD1086 SERIES Figure 1: Pin Connection (top view) TO-220 DPAK Table 2: Absolute Maximum Ratings Symbol V DC Input Voltage I I Output Current O P Power Dissipation D T Storage Temperature Range stg T Operating Junction Temperature Range op ...

Page 3

Figure 3: Schematic Diagram Table 4: Electrical Characteristics Of LD1086#15 (V otherwise specified.) Symbol Parameter V Output Voltage (note 1) O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit ...

Page 4

LD1086 SERIES Table 5: Electrical Characteristics Of LD1086#18 (V otherwise specified.) Symbol Parameter V Output Voltage (note 1) O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc ...

Page 5

Table 7: Electrical Characteristics Of LD1086#285 (V unless otherwise specified.) Symbol Parameter V Output Voltage (note 1) O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc Thermal ...

Page 6

LD1086 SERIES Table 9: Electrical Characteristics Of LD1086#36 (V otherwise specified.) Symbol Parameter V Output Voltage (note 1) O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc ...

Page 7

Table 11: Electrical Characteristics Of LD1086#80 (V otherwise specified.) Symbol Parameter V Output Voltage (note 1) O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc Thermal Regulation ...

Page 8

LD1086 SERIES Table 13: Electrical Characteristics Of LD1086#12 (V otherwise specified.) Symbol Parameter V Output Voltage (note 1) O ∆V Line Regulation O ∆V Load Regulation O V Dropout Voltage d I Quiescent Current q I Short Circuit Current sc ...

Page 9

TYPICAL CHARACTERISTICS (unless otherwise specified T Figure 4: Output Voltage vs Temperature Figure 5: Output Voltage vs Temperature Figure 6: Output Voltage vs Temperature = 25° =10µ Figure 7: Short Circuit Current vs Dropout Voltage ...

Page 10

LD1086 SERIES Figure 10: Dropout Voltage vs Temperature Figure 11: Dropout Voltage vs Output Current Figure 12: Adjust Pin Current vs Input Voltage 10/21 Figure 13: Adjust Pin Current vs Temperature Figure 14: Adjust Pin Current vs Output Current Figure ...

Page 11

Figure 16: Quiescent Current vs Input Voltage Figure 17: Supply Voltage Rejection vs Output Current Figure 18: Supply Voltage Rejection vs Frequency Figure 19: Supply Voltage Rejection vs Temperature Figure 20: Minimum Load Current vs Temperature Figure 21: Stability for ...

Page 12

LD1086 SERIES Figure 22: Stability for 2.85V Figure 23: Stability for 12V Figure 24: Line Transient V =12 to 13V, I =200mA 1µF(tant ADJ 12/21 Figure 25: Line Transient V =12 to ...

Page 13

Figure 28: Load Transient V =13V, I =0.1 to 1.5A 1µF(tant =1µF ADJ Figure 29: Thermal Protection =10µF(tant) V =2. LD1086 SERIES 13/21 ...

Page 14

LD1086 SERIES DIM. MIN. A 4.40 C 1. 0.49 F 0.61 F1 1.14 F2 1.14 G 4.95 G1 2 13.0 L5 2.65 L6 15.25 L7 6.2 L9 3.5 DIA. 3.75 14/21 TO-220 ...

Page 15

D DIM. MIN. A 4.4 A1 2.49 A2 0.03 B 0.7 B2 1.14 C 0.45 C2 1. 1.27 L3 1 0˚ 2 PAK MEC HANICAL ...

Page 16

LD1086 SERIES DIM. MIN. A 4.40 A1 2.49 A2 0.03 B 0.7 B1 0.8 B2 1.14 C 0.45 C2 1. 1. 0° 16/ ...

Page 17

DPAK MECHANICAL DATA DIM. MIN. A 2.2 A1 0.9 A2 0.03 B 0.64 B2 5.2 C 0. 4 (L1 0.6 mm. TYP MAX. 2.4 ...

Page 18

LD1086 SERIES Tape & Reel DPAK-PPAK MECHANICAL DATA DIM. MIN 12 6.80 Bo 10.40 Ko 2.55 Po 3.9 P 7.9 18/21 mm. TYP MAX. 330 13.0 13.2 22.4 6.90 7.00 10.50 10.60 ...

Page 19

Ta pe & Reel D PAK-P DIM. MIN 12 10.50 Bo 15.70 15.80 Ko 4.80 Po 3 PAK-D PAK/A-P PAK/A MECHANICAL DATA mm. TYP MAX. 180 ...

Page 20

LD1086 SERIES Table 15: Revision History Date Revision 25-Aug-2004 11 07-Oct-2004 12 08-Feb-2005 13 20/21 Description of Changes Mistake Vo (typ.), table 9 - pag. 6. Mistake Order Codes - Table 1. Mistake U.M. Load Regulation - V ==> mV. ...

Page 21

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. ...

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