LT1585ACT-3.3 datasheet, PDF - EEWORLD Datasheet

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LT1585ACT-3.3: DescriptionLDO Voltage Regulators LT1585A-3.3 - 5A Low Dropout Fast Response Positive Regulators Adjustable and Fixed; CategoryPower/power management The power supply circuit; File Size158KB，12 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LT1585ACT-3.3 Overview

LDO Voltage Regulators LT1585A-3.3 - 5A Low Dropout Fast Response Positive Regulators Adjustable and Fixed

LT1585ACT-3.3 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	ADI
package instruction	,
Reach Compliance Code	not_compliant
ECCN code	EAR99
Maximum drop-back voltage 1	1.4 V
Maximum input voltage	7 V
Minimum input voltage	4.75 V
JESD-30 code	R-PSFM-T3
JESD-609 code	e0
Humidity sensitivity level	1
Number of functions	1
Number of terminals	3
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min
Maximum output current 1	5 A
Maximum output voltage 1	3.365 V
Minimum output voltage 1	3.235 V
Nominal output voltage 1	3.3 V
Package body material	PLASTIC/EPOXY
Package shape	RECTANGULAR
Package form	FLANGE MOUNT
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount	NO
Terminal surface	Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier
Terminal form	THROUGH-HOLE
Terminal location	SINGLE
Maximum time at peak reflow temperature	NOT SPECIFIED

User Manual

【User Guides】UG-293: Evaluating the AD9643/AD9613/AD6649/AD6643 Analog-to-Digital Converters

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LT1585A/LT1585A-3.3

5A Low Dropout

Fast Response

Positive Regulators

Adjustable and Fixed

FEATURES

■

DESCRIPTIO

Fast Transient Response

Guaranteed Dropout Voltage at Multiple Currents

Load Regulation: 0.05% Typ

Trimmed Current Limit

On-Chip Thermal Limiting

Standard 3-Pin TO-220 Power Package

APPLICATIO S

■

Pentium

Processor Supplies

PowerPC

Supplies

Other 2.5V to 3.6V Microprocessor Supplies

Low Voltage Logic Supplies

Battery-Powered Circuitry

Post Regulator for Switching Supply

Adjustable

3.3V Fixed

The LT

1585A/LT1585A-3.3 are low dropout 3-terminal

regulators with 5A output current capability. Design has

been optimized for low voltage applications where tran-

sient response and minimum input voltage are critical.

Similar to the LT1084 family, these regulators feature

lower dropout voltage and faster transient response.

These improvements make them ideal for low voltage

microprocessor applications requiring a regulated 2.5V to

3.6V output with an input supply below 7V.

Current limit is trimmed to ensure specified output current

and controlled short-circuit current. On-chip thermal lim-

iting provides protection against any combination of over-

load that would create excessive junction temperatures.

The LT1585A/LT1585A-3.3 are available in the industry

standard 3-pin TO-220 power package.

, LTC and LT are registered trademarks of Linear Technology Corporation.

Pentium is a registered trademark of Intel Corporation. PowerPC is a trademark of IBM Corporation.

LT1585ACT

LT1585ACT-3.3

TYPICAL APPLICATIO

3.3V, 5A Regulator

1.5

INPUT/OUTPUT DIFFERENTIAL (V)

≥

4.75V

LT1585A-3.3

3.3V

C2*

100µF

1585A TA01

Dropout Voltage vs Output Current

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

OUTPUT CURRENT (A)

LT1585A TA02

10µF

* REQUIRED FOR STABILITY

NOTE: MICROPROCESSOR APPLICATIONS WITH LOAD TRANSIENTS OF 3.8A REQUIRE

OUTPUT DECOUPLING CAPACITANCE >1300µF ON FIXED VOLTAGE PARTS TO ACHIEVE

< 50mV OF DEVIATION FROM NOMINAL OUTPUT. CONSULT FACTORY FOR DETAILS

FULL LOAD

1585afa

LT1585ACT-3.3 Related Products

	LT1585ACT-3.3	LT1585ACT-3.3#PBF
Description	LDO Voltage Regulators LT1585A-3.3 - 5A Low Dropout Fast Response Positive Regulators Adjustable and Fixed	LDO Voltage Regulators 3.3V L/Dropout HS 5A Linear Reg
Is it Rohs certified?	incompatible	conform to
Maker	ADI	ADI
Reach Compliance Code	not_compliant	not_compliant
Maximum drop-back voltage 1	1.4 V	1.4 V
Maximum input voltage	7 V	7 V
Minimum input voltage	4.75 V	4.75 V
JESD-30 code	R-PSFM-T3	R-PSFM-T3
JESD-609 code	e0	e3
Humidity sensitivity level	1	1
Number of functions	1	1
Number of terminals	3	3
Working temperatureTJ-Max	125 °C	125 °C
Maximum output current 1	5 A	5 A
Maximum output voltage 1	3.365 V	3.365 V
Minimum output voltage 1	3.235 V	3.235 V
Nominal output voltage 1	3.3 V	3.3 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
Package shape	RECTANGULAR	RECTANGULAR
Package form	FLANGE MOUNT	FLANGE MOUNT
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED
Certification status	Not Qualified	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount	NO	NO
Terminal surface	Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier	Matte Tin (Sn) - with Nickel (Ni) barrier
Terminal form	THROUGH-HOLE	THROUGH-HOLE
Terminal location	SINGLE	SINGLE
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED

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