LX8117B Microsemi Corporation, LX8117B Datasheet

LX8117B

Manufacturer Part Number

LX8117B

Description

0.8, 1 & 1.2a Low Dropout Positive Regulators

Manufacturer

Microsemi Corporation

Datasheet

1.LX8117B.pdf (11 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX8117B-00CST-TR

Manufacturer:

MICROCHIP

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX8117B-05CDT

Manufacturer:

MICROCHIP

Quantity:

12 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX8117B-25CDT

Manufacturer:

MICROCHIP

Quantity:

12 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX8117B-25CST-TR

Manufacturer:

MICROCHIP

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

LX8117B-25CST-TR

Manufacturer:

MICROSEMI/美高森美

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX8117B-285CST-TR

Manufacturer:

MICROCHIP

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

LX8117B-28CST-TR

Manufacturer:

MICROSEMI/美高森美

Quantity:

20 000

Current page: 1 of 11
Download datasheet (371Kb)

Rev. 1.5a,2005-10-25

H E

Low Dropout (LDO) regulators. At the designed

maximum load current, the LX8117 series

dropout voltage is guaranteed to be 1.2V or

lower at 0.8A (LX8117A 1.3V @ 1A). The

dropout voltage decreases with load current.

LX8117/17A/17B is available, as well as

versions with fixed outputs of 2.5V, 2.85V, 3.3V

and 5V. The 2.85V version is specifically

designed for use as a component of active

termination networks for the SCSI bus. On-chip

trimming of the internal voltage reference allows

specification of the initial output voltage to

within ±1% of its nominal value. The output

current-limit point is also trimmed, which helps

to minimize stress on both the regulator and the

system power source when they are operated

under short-circuit conditions. The regulator's

internal circuitry will operate at input-to-output

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

The LX8117/8117A/8117B series are positive

An adjustable output voltage version of the

4.75V to

5.25V

N F I N I T E

0 to 125

(°C)

O W E R

11861 W

CTIVE

10 µF

Current

Note: Available in Tape & Reel. Append the letter “TR” to the part number. (i.e. LX8117-00CST-TR)

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

0.8A

1.0A

1.2A

O/P

LX8117-28

O F

ESTERN

ERMINATOR FOR

D E S C R I P T I O N

GND

N N O V A T I O N

RoHS Compliant / Pb-free

LX8117A-xxCST

LX8117B-xxCST

VENUE

OUT

Transition DC: 0522

LX8117-xxCST

Plastic SOT-223

3-Pin

, G

capacitors with values in the range of tens to

hundreds

LX8117/17A/17B typically requires at least

10µF of output capacitance for stable operation.

to as much as 10 percent of their output as a

quiescent current which flows directly to

ground, bypassing the load. Quiescent current

from the LX8117/17A/17B flows through the

load, increasing power-use efficiency and

allowing cooler operation.

plastic SOT-223 and D-Pak packages for

applications where space is at a premium. The

LX8117 is also available in a plastic TO-263

package for instances when the thermal

resistance

environment must be minimized.

differential voltages down to 1V.

ARDEN

SCSI-2 B

Most regulator circuit designs include output

PNP-type regulators can waste current equal

The LX8117 is available in low-profile

PACKAGE ORDER INFO

I C R O S E M I

22 µF

ROVE

from

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

LX8117-xx / 8117A-xx / 8117B-xx

microfarads

0 . 8 , 1 & 1 . 2 A L

RoHS Compliant / Pb-free

the

LX8117A-xxCDD

LX8117B-xxCDD

Transition DC: 0535

LX8117-xxCDD

110 Ω

N C

circuit

Plastic TO-263

3-Pin

R O D U C T I O N

die

more.

18 to 27

Lines

O W

: 714-893-2570

The

the

R O P O U T

Available Options Per Part #

(x) – denotes O/P Current Setting

LX8117(x)-25

LX8117(x)-28

LX8117(x)-33

LX8117(x)-05

RoHS Compliant / Pb-free

LX8117A-xxCDT

LX8117B-xxCDT

Transition DC: 0532

LX8117-xxCDT

A T A

Part #

Plastic TO-252

(D-Pak) 3-Pin

0.2% Line Regulation Maximum

0.4% Load Regulation Maximum

Output Current Of 800mA

Regulates Down To 1.2V

Dropout (LX8117) And 1.3V

Dropout (LX8117A)

Operates Down To 1V Dropout

Space Saving SOT-223 Surface

Mount Package

Guaranteed Dropout Voltage At

Multiple Current Levels

Three-Terminal Adjustable Or

Fixed 2.5V, 2.85V, 3.3V & 5V

Battery Chargers

Active SCSI Terminators

5V To 3.3V Linear Regulators

High-Efficiency Linear

Regulators

Post Regulators For Switching

Supplies

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

H E E T

Output Voltage

E G U L A T O R S

2.5V

2.8V

3.3V

Related parts for LX8117B

LX8117B Summary of contents

Page 1

... High-Efficiency Linear Regulators Post Regulators For Switching Supplies Available Options Per Part # Part # Output Voltage LX8117(x)-25 2.5V LX8117(x)-28 2.8V LX8117(x)-33 3.3V LX8117(x)-05 5V (x) – denotes O/P Current Setting Lines Plastic TO-252 DT (D-Pak) 3-Pin RoHS Compliant / Pb-free Transition DC: 0532 LX8117-xxCDT LX8117A-xxCDT LX8117B-xxCDT : 714-893-2570 AX 1 ...

Page 2

LX8117-xx/8117A-xx/8117B-xx 0.8, 1 & 1. LUT E MAXIMU M RATINGS Power ...

Page 3

... OUT (RMS) (Other Voltage Options on following pages (Note 2) Recommended Operating Conditions Min. Typ. Max 125 = 1.2A for the LX8117B-xx.) MAX LX8117 / 17A / 17B-00 Min. Typ. Max. 1.238 1.250 1.262 ) 10V 1.225 1.250 1.270 0.05 0.2 ...

Page 4

... Line Regulation (Note 3) Load Regulation (Note 3) Dropout Voltage (Note 4) LX8117-28 LX8117A/B-28 Current Limit LX8117-28 LX8117A-28 LX8117B-28 Quiescent Current Thermal Regulation Ripple Rejection Temperature Stability Long Term Stability RMS Output Noise (% OUT Notes: 3. See thermal regulation specification for changes in output voltage due to heating effects. Load regulation and line regulation are measured at a constant junction temperature by low duty cycle pulse testing ...

Page 5

... Line Regulation (Note 3) Load Regulation (Note 3) Dropout Voltage (Note 4) LX8117-05 LX8117A/B-05 Current Limit LX8117-05 I LX8117A-05 LX8117B-05 Quiescent Current Thermal Regulation Ripple Rejection Temperature Stability Long Term Stability RMS Output Noise (% OUT Notes: 3. See thermal regulation specification for changes in output voltage due to heating effects. Load regulation and line regulation are measured at a constant junction temperature by low duty cycle pulse testing ...

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LX8117B Microsemi Corporation, LX8117B Datasheet

LX8117B

Available stocks

Related parts for LX8117B

LX8117B Summary of contents

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