Rainbow-electronics MAX5085 Manual de usuario descargar pdf

General Description

The MAX5084/MAX5085 high-voltage linear regulators

operate from an input voltage range of 6.5V to 65V and

deliver up to 200mA of output current. These devices

consume only 50µA (typ) of quiescent current with no

load and 6µA (typ) in shutdown (EN pulled low). Both

devices include a SET input, which when connected to

ground, selects a preset output voltage of 5V

(MAX5084) or 3.3V (MAX5085). Alternatively, the out-

put voltage can be adjusted from 2.54V to 11V

by connecting the SET pin to the regulator’s output

through a resistive divider network. The MAX5084/

MAX5085 also include an OUT_SENSE pin, which

allows remote voltage sensing right at the load, thus

eliminating the voltage drop caused by the line imped-

ance. Both devices are short-circuit protected and

include thermal shutdown.

The MAX5084/MAX5085 operate over the -40°C to

+125°C automotive temperature range and are avail-

able in a space-saving 3mm x 3mm thermally

enhanced 6-pin TDFN package.

Applications

Automotive

Industrial

Home Security

Telecom/Networking

Features

♦ Wide Operating Input Voltage Range (6.5V to 65V)

♦ Thermally Enhanced 3mm x 3mm 6-Pin TDFN

Package Dissipates 1.905W at +70°C

♦ Guaranteed 200mA Output Current

♦ 50µA No-Load Supply Current

♦ Preset 3.3V, 5.0V, or Adjustable (from 2.54V to 11V)

Output Voltage

♦ Remote Load Sense

♦ Thermal and Short-Circuit Protection

♦ -40°C to +125°C Operating Temperature Range

♦ SET Input for Adjustable Output Voltage

♦ Enable Input

MAX5084/MAX5085

65V, 200mA, Low-Quiescent-Current

Linear Regulators in TDFN

________________________________________________________________ Maxim Integrated Products 1

TOP VIEW

456

SET

OUT_SENSE

OUT

321

GND

TDFN

MAX5084

MAX5085

Pin Configuration

Ordering Information

= 6.5V

TO 65V

5V (MAX5084)

3.3V (MAX5085)

10µF

OUT

OUT_SENSE

SET

LOAD

GND

MAX5084

MAX5085

Typical Operating Circuit

19-3928; Rev 0; 1/06

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

*EP = Exposed paddle.

+Denotes lead-free package.

PART

TEMP RANGE

PIN-

PACKAGE

TOP

MARK

PKG

CODE

M A X5 0 8 4 ATT+ T

- 40°C to + 125°C 6 TDFN-EP*

AJI

T633-2

M A X5 0 8 5 ATT+ T

- 40°C to + 125°C 6 TDFN-EP*

AJJ

T633-2

Selector Guide appears at end of data sheet.

1 2 3 4 5 6 ... 10 11

Indice de contenidos

Pagina 1 - Linear Regulators in TDFN

General DescriptionThe MAX5084/MAX5085 high-voltage linear regulatorsoperate from an input voltage range of 6.5V to 65V anddeliver up to 200mA of outp

Pagina 2

MAX5084/MAX508565V, 200mA, Low-Quiescent-CurrentLinear Regulators in TDFN10 __________________________________________________________________________

Pagina 3

MAX5084/MAX508565V, 200mA, Low-Quiescent-CurrentLinear Regulators in TDFNMaxim cannot assume responsibility for use of any circuitry other than circui

Pagina 4

MAX5084/MAX508565V, 200mA, Low-Quiescent-CurrentLinear Regulators in TDFN2 ___________________________________________________________________________

Pagina 5

MAX5084/MAX508565V, 200mA, Low-Quiescent-CurrentLinear Regulators in TDFN_____________________________________________________________________________

Pagina 6

MAX5084/MAX508565V, 200mA, Low-Quiescent-CurrentLinear Regulators in TDFN4 ___________________________________________________________________________

Pagina 7

MAX5084/MAX508565V, 200mA, Low-Quiescent-CurrentLinear Regulators in TDFN_____________________________________________________________________________

Pagina 8

MAX5084/MAX508565V, 200mA, Low-Quiescent-CurrentLinear Regulators in TDFN6 ___________________________________________________________________________

Pagina 9

Detailed DescriptionThe MAX5084/MAX5085 are high-voltage linear regula-tors with a 6.5V to 65V input voltage range. The devicesguarantee 200mA output

Pagina 10

MAX5084/MAX5085Use Figure 3 to determine the allowable package dissi-pation for a given ambient temperature. Alternately, usethe following formula to

Pagina 11 - DOWNBONDS

Example 4:Calculate package dissipation at the given temperatureas follows:PD= 1.905WFind the maximum output current:In example 4, the maximum output

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Rainbow-electronics MAX5085 Manual de usuario

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