L4956 datasheet(1/8 Pages) STMICROELECTRONICS

tên linh kiện	L4956

Giải thích chi tiết về linh kiện	5A LOW DROP LINEAR REGULATOR

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L4956

5A LOW DROP LINEAR REGULATOR

SPLITTED SUPPLY VOLTAGE FOR IM-

PROVED EFFICIENCY:

-VPW: 3V MIN. POWER SUPPLY VOLTAGE

-VSIG: 4.5V MIN. SIGNAL SUPPLY VOLTAGE

5A OUTPUT CURRENT

FAST LOAD TRANSIENT RESPONSE

0.75V TYP. DROP OUT VOLTAGE AT 5A

INHIBIT WITH ZEROCURRENT COMSUMPTION

POWER GOOD

SHORT CIRCUIT PROTECTION

THERMAL SHUTDOWN

HEPTAWATT PACKAGE

APPLICATIONS

PENTIUM

™ AND POWER PC™ SUPPLIES

LOW COST SOLUTION FOR 3.3V TO 1.5V

CONVERSION

SUITABLE

FOR

APPLICATIONS

WITH

STAND BY FEATURE

DESCRIPTION

The L4956 is an adjustable monolithic linear regu-

lator designed to satisfy very heavy load transient

and efficient power conversion from 3.3V to 1.26V

and lower, up to 5A.

Designed in BCDII technology, it uses a charge

pump technique to have a proper internal N-chan-

nel gate drive. The signal supply voltage input

VSIG can operate from 4.5V up to an absolute of

7V and the power supply voltage input VPW can

opearte from 3V min to an absolute of 7V. An

RDSON of 150mV gives a voltage drop of 750mV

at 5A of load current.

Very fast load transients and

±1% of reference

voltage precision makes this device suitable for

supplying last micrprocessors generation and low

voltage logics.

The Heptawatt package enriches the device with

auxiliary functions like power good and inhibit.

March 1998

HEPTAWATT

ORDERING NUMBER: L4956

MULTIPOWER BCD TECHNOLOGY

VPW

V

SIG

D96IN374B

1

2

7

OUT

5

ADJ

4

GND

L4956

C1

R1

R2

C2

VO

V

PW=3.3Vbus

V

SIG=

5Vbus

36

INH

PG

C3

TYPICAL APPLICATION

1/8

Số phần tương tự - L4956

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	L4952	84Kb / 8P	VOLTAGE REGULATOR FOR CAR RADIO APPLICATIONS Jun-2000
	L4952	167Kb / 8P	VOLTAGE REGULATOR FOR CAR RADIO APPLICATIONS Jun-2000
	L4952D	167Kb / 8P	VOLTAGE REGULATOR FOR CAR RADIO APPLICATIONS Jun-2000
National Semiconductor ...	L4952TS	713Kb / 20P	3.1W Stereo-SE Audio Power Amplifier with DC Volume Control
STMicroelectronics	L4953	44Kb / 6P	MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO REV BATT

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Mô tả tương tự - L4956

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Unisonic Technologies	UR533	114Kb / 6P	5A ADJUSTABLE/FIXED ULTRA LOW DROP-OUT LINEAR REGULATOR
BCD Semiconductor Manuf...	AZ1084	197Kb / 17P	5A LOW DROPOUT LINEAR REGULATOR
Global Mixed-mode Techn...	G1084-XX	342Kb / 9P	5A Low-Dropout Linear Regulator
ATMEL Corporation	ATA6623	704Kb / 24P	Linear Low-drop Voltage Regulator
Unisonic Technologies	UR533	232Kb / 7P	5A ADJUSTABLE/FIXED ULTRA LOW DROP-OUT LINEAR REGULATOR
BCD Semiconductor Manuf...	AZ1084	918Kb / 21P	5A LOW DROPOUT LINEAR REGULATOR
Unisonic Technologies	UR533	232Kb / 7P	5A ADJUSTABLE/FIXED ULTRA LOW DROP-OUT LINEAR REGULATOR
BCD Semiconductor Manuf...	AZ1084	918Kb / 21P	5A LOW DROPOUT LINEAR REGULATOR
Global Mixed-mode Techn...	G9084	52Kb / 2P	5A Low-Dropout Linear Regulator
Seaward Electronics Inc...	SE1084	549Kb / 12P	5A Low Dropout Linear Regulator

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