LD1580V7V25 datasheet, PDF - EEWORLD Datasheet

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LD1580V7V25: Description7 A VERY LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED; CategoryPower/power management The power supply circuit; File Size326KB，18 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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LD1580V7V25 Overview

7 A VERY LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED

LD1580V7V25 Parametric

Parameter Name	Attribute value
Maker	STMicroelectronics
Parts packaging code	ZFM
package instruction	HEPTAWATT-7
Contacts	7
Reach Compliance Code	compli
ECCN code	EAR99
Is Samacsys	N
Adjustability	FIXED
Maximum drop-back voltage 1	0.6 V
Nominal dropback voltage 1	0.5 V
Maximum absolute input voltage	13 V
Maximum input voltage	12 V
Minimum input voltage	3.65 V
JESD-30 code	R-PZFM-T7
Maximum load regulation	0.01%
Number of functions	1
Output times	1
Number of terminals	7
Working temperatureTJ-Max	125 °C
Operating temperatureTJ-Mi	-40 °C
Maximum output current 1	7 A
Maximum output voltage 1	2.55 V
Minimum output voltage 1	2.45 V
Nominal output voltage 1	2.5 V
Package body material	PLASTIC/EPOXY
encapsulated code	ZIP
Encapsulate equivalent code	ZIP7,.2,.1TB
Package shape	RECTANGULAR
Package form	FLANGE MOUNT
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount	NO
technology	BIPOLAR
Terminal form	THROUGH-HOLE
Terminal pitch	1.27 mm
Terminal location	ZIG-ZAG
Maximum voltage tolerance	2%
Base Number Matches	1

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LD1580

7 A VERY LOW DROP POSITIVE VOLTAGE REGULATOR

ADJUSTABLE AND FIXED

PRELIMINARY DATA

OUTPUT CURRENT LIMIT

LOW DROPOUT VOLTAGE: TYPICALLY

400mV AT 7A OUTPUT CURRENT

OUTPUT VOLTAGE REMOTE SENSE PIN

FAST TRANSIENT RESPONSE

THERMAL SHUTDOWN PROTECTION

WITH HYSTERESIS

WIDE OPERATING TEMPERATURE RANGE

-40°C TO 125°C

NO SUPPLY SEQUENCING PROBLEMS IN

DUAL SUPPLY MODE

OUTPUT VOLTAGES AVAILABLE 1.5 V, 1.8V,

2.5 V, 3.0 V, 3.3 V ADJUSTABLE.

HEPTAWATT

PENTAWATT

DESCRIPTION

The LD1580 is a very low dropout positive linear

voltage regulator particularly suitable in

applications requiring output currents up to 7 A.

The LD1580 typical dropout voltage is 400mV at

while

decreases

lighter loads.

This very low dropout is achieved thanks to a

second input voltage pin, named V

CONTROL

which is also responsable of the output power

stage driving.

The LD1580 is provided with an output voltage

remote sense pin which reduces dramatically any

SCHEMATIC DIAGRAM

PAK

SPAK-5L

SPAK-7L

output voltage variations that could occur due to

load changes.

On fixed voltage devices, the ADJ pin is still

available. A small capacitor on this pin helps to

improve transient response.

November 2002

1/18

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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