LX8386-00CDT MICROSEMI [Microsemi Corporation], LX8386-00CDT Datasheet

LX8386-00CDT

Manufacturer Part Number

LX8386-00CDT

Description

1.5 A LOW DROPOUT POSITIVE REGULATORS

Manufacturer

MICROSEMI [Microsemi Corporation]

Datasheet

1.LX8386-00CDT.pdf (7 pages)

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Rev. 1.7a 10/00

H E

6MV1500GX

The LX8386/86A/86B series ICs are

positive regulators designed to provide

1.5A output current. These regulators

yield higher efficiency than currently

available devices with all internal

circuitry designed to operate down to a

1V input-to-output differential. In this

product, the dropout voltage is fully

specified as a function of load current.

Dropout is guaranteed at a maximum of

1.3V (LX8386A/86B) and 1.5V (LX8386)

at maximum output current, decreasing

at lower load currents. On-chip

trimming adjusts the reference voltage

to 1% (0.8% for the 8386B) initial

accuracy and 2% (1% for the 8386B)

over line, load and temperature.

NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.

The LX8386/86A/86B series devices

-25 to 125

1500µF

N F I N I T E

0 to 125

Note: All surface-mount packages are available in Tape & Reel, append the letter "T" to part number. (i.e. LX8386A-xxCDDT)

(°C)

11861 W

Max. Ref.

Accuracy

2.0%

1.0%

2.0%

O W E R

P R O D U C T H I G H L I G H T

ESTERN

3.3V, 1.5A R

LX8386

D E S C R I P T I O N

Max. Dropout

O F

Voltage

ADJ

I N

1.5V

1.3V

1.5V

VENUE

P A C K A G E O R D E R I N F O R M A T I O N

N N O V A T I O N

"xx" refers to output voltage, please see table above.

I N I T Y

, G

E G U L AT O R

are pin-compatible with earlier 3-

terminal regulators, such as 117 series

products. While a 10µF output capacitor

is required on both input and output of

these new devices, this capacitor is

generally included in most regulator

designs.

current flows into the load, increasing

efficiency. This feature contrasts with

PNP regulators, where up to 10% of the

output current is wasted as quiescent

current. The LX8386-xxI is specified

over the full industrial temperature

range of -25°C to +125°C and the

LX8386/86A/86B-xxC is specified over

the commercial range of 0°C to +125°C.

OUT

ARDEN

The LX8386/86A/86B series quiescent

LX8386A-xxCP

LX8386B-xxCP

LX8386-xxCP

LX8386-xxIP

Plastic TO-220

3-pin

121

200

ROVE

I C R O E L E C T R O N I C S

, CA. 92841, 714-898-8121, F

LX8386-xx/8386A-xx/8386B-xx

LX8386A-xxCDD

LX8386B-xxCDD

1 . 5 A L

1500µF, 6.3V

6MV1500GX

from Sanyo

LX8386-xxCDD

LX8386-xxIDD

Plastic TO-263

3-pin

3.3V at 1.5A

R O D U C T I O N

O W

R O P O U T

LX8386A-xxCDT

LX8386B-xxCDT

LX8386-xxCDT

N C

Plastic T0-252

(D-Pak) 3-pin

p 0.015% Line Regulation

p 0.1% Load Regulation

VA I L A B L E

Other voltage options may be available —

Part #

LX8386/86A/86B-00

LX8386/86A/86B-33

: 714-893-2570

—

Three-Terminal Adjustable or Fixed

Output

Guaranteed <1.3V Headroom

at 1.5A (LX8386A/86B)

Output Current of 1.5A Minimum

Operates Down to 1V Dropout

Evaluation Board Available:

Request LXE9001 EVALUATION KIT

High Efficiency Linear Regulators

Post Regulators For Switching Power

Supplies

Battery Chargers

Constant Current Regulators

ASIC & Low Voltage IC Supplies

Memory Cards

Graphics & Sound Chipsets

Please contact factory for details.

O S I T I V E

K E Y F E A T U R E S

A P P L I C A T I O N S

A T A

P T I O N S P E R

LIN D

E G U L A T O R S

H E E T

O C

Adjustable

Voltage

Output

# : 8386

3.3V

A R T

Related parts for LX8386-00CDT

LX8386-00CDT Summary of contents

Page 1

... Accuracy Voltage 2.0% 1. 125 2.0% 1.3V 1.0% 1.3V -25 to 125 2.0% 1.5V Note: All surface-mount packages are available in Tape & Reel, append the letter "T" to part number. (i.e. LX8386A-xxCDDT Copyright © 1999 Rev. 1.7a 10/00 11861 W A ESTERN LX8386-xx/8386A-xx/8386B- ...

Page 2

... LX8386-xx/8386A-xx/8386B- Power Dissipation .................................................................................. Internally Limited Input Voltage ................................................................................................................ 10V Input to Output Voltage Differential ........................................................................... 10V Maximum Output Current .......................................................................................... 1.5A Operating Junction Temperature Plastic (P, DD & ...

Page 3

... (Unless otherwise specified, these specifications apply over the operating ambient temperatures for the LX8386/86A/86B-xxC with 0°C and the LX8386-xxI with -25°C T 125° and case temperatures equal to the ambient temperature.) ...

Page 4

... LX8386-xx/8386A-xx/8386B- The LX8386/86A/86B series ICs are easy to use Low-Dropout (LDO) voltage regulators. They have all of the standard self-protection features expected of voltage regulators: short circuit protection, safe operating area protection and automatic thermal shutdown if the device temperature rises above approximately 165° ...

Page 5

... Peff P where: R When the circuit is connected as shown in Figure 3, the parasitic resistance appears as its actual value, rather than the higher R LX8386/86A/86B FIGURE 3 — Connections For Best Load Regulation LX8386/86A/86B OUT IN V OUT ADJ V R1 REF I ADJ 50µA R2 ...

Page 6

... DROPOUT (MAX) for the installed regulator. THERMAL CONSIDERATIONS The LX8386/86A/86B regulators have internal power and thermal limiting circuitry designed to protect each device under overload conditions. For continuous normal load conditions, however, maximum junction temperature ratings must not be exceeded important to give careful consideration to all sources of thermal resistance from junction to ambient ...

Page 7

... IN (Note A) ADJ 10µF 1k TTL 2N3904 1k FIGURE 6 — 5V Regulator With Shutdown LX8386/86A/86B-33 OUT IN IN GND FIGURE 7 — Fixed 3.3V Output Regulator ) DROPOUT (MAX LX8386/86A/86B OUT IN ADJ R1 121 C2 C1* 100µF 10µ 1.25V 1 + OUT R1 5V 121 1% 100µF ...

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