LD49150XX10 datasheet(1/22 Pages) STMICROELECTRONICS

номер детали	LD49150XX10

подробное описание детали	1.5 A very low drop for low output voltage regulator

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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June 2010

Doc ID 13446 Rev 3

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22

LD49150XX08

LD49150XX10, LD49150XX12

1.5 A very low drop for low output voltage regulator

Features

■ Input voltage range:

–VI = 1.4 V to 5.5 V

–VBIAS = 3 V to 6 V

■ Stable with ceramic capacitor

■ ±1.5 % initial tolerance

■ Maximum dropout voltage (VI - VO) of 200 mV

over temperature

■ Adjustable output voltage down to 0.8 V

■ Ultra fast transient response (up to 10 MHz

bandwidth)

■ Excellent line and load regulation

specifications

■ Logic controlled shutdown option

■ Thermal shutdown and current limit protection

■ Junction temperature range: - 25 °C to 125 °C

Applications

■ Graphics processors

■ PC add-in cards

■ Microprocessor core voltage supply

■ Low voltage digital ICs

■ High efficiency linear power supplies

■ SMPS post regulators

Description

The LD49150xx is a high-bandwidth, low-dropout,

1.5 A voltage regulator, ideal for powering core

voltages of low-power microprocessors. The

LD49150xx implements a dual supply

configuration allowing for very low output

impedance and very fast transient response. The

LD49150xx requires a bias input supply and a

main input supply, allowing for ultra-low input

voltages on the main supply rail. The input supply

operates from 1.4 V to 5.5 V and the bias supply

requires between 3 V and 6 V for proper

operation. The LD49150xx offers fixed output

voltages from 0.8 V to 1.8 V and adjustable output

voltages down to 0.8 V. The LD49150xx requires a

minimum output capacitance for stability, and

work optimally with small ceramic capacitors.

PPAK

DFN6 (3x3 mm)

Table 1.

Device summary

Order codes

Output voltages

PPAK (tape and reel)

DFN6 (tape and reel) (1)

LD49150PT08R

0.8 V (2)

LD49150PT10R

LD49150PU10R

1.0 V

LD49150PT12R

LD49150PU12R

1.2 V

1.

Available on request.

2.

Adjustable version.

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Аналогичный номер детали - LD49150XX10

производитель	номер детали	датащи	подробное описание детали
STMicroelectronics	LD49150	609Kb / 20P	1.5A Very low drop for low output voltage regulator
	LD49150PT08R	609Kb / 20P	1.5A Very low drop for low output voltage regulator
	LD49150PT10R	609Kb / 20P	1.5A Very low drop for low output voltage regulator
	LD49150PT12R	609Kb / 20P	1.5A Very low drop for low output voltage regulator

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