LD1580P2T-R datasheet(1/15 Pages) STMICROELECTRONICS

Nome de Peças	LD1580P2T-R

Descrição Electrónicos	7 A very low drop positive voltage regulator adjustable

PDF	15 Pages

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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April 2008

Rev 5

1/15

15

LD1580XX

7 A very low drop positive voltage regulator adjustable

Features

■ Output current limit

■ Low dropout voltage: typically 400 mV at 7 A

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: adjustable

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 400 mV at

7 A while it decreases at lighter loads.

This very low dropout is achieved thanks to a

second input voltage pin, named VCONTROL,

which is also responsible of the output power

stage driving.

The LD1580 is provided with an output voltage

remote sense pin which reduces dramatically any

output voltage variations that could occur due to

load changes.

The ADJ pin is still available. A small capacitor on

this pin helps to improve transient response.

The LD1580 also features a built-in output current

limit function and a thermal shutdown protection

with hysteresis which prevents from excessive

power dissipation in case of insufficient

heatsinking. On chip trimming allows the regulator

to reach a very tight output voltage tolerance,

within ± 2 % at the maximum output current and

over the full temperature range.

P²PAK

Table 1.

Device summary

Part number

Order code

Packaging

LD1580XX

LD1580P2T-R

tape and reel

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Nº de peça semelhante - LD1580P2T-R

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