L6911 datasheet(1/7 Pages) STMICROELECTRONICS

部件名	L6911

功能描述	5 BIT PROGRAMMABLE POWER SUPPLY CONTROLLER FOR PENTIUM II PROCESSOR

PDF	7 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 7 page

OPERATING SUPPLY VOLTAGE FROM 5V

TO 12V

TTL-COMPATIBLE 5BIT PROGRAMMABLE

OUTPUT FROM:

-1.3V TO 2.05V WITH 0.05V BINARY STEPS

-2.1V TO 3.5V WITH 0.1V BINARY STEPS

VOLTAGE MODE PWM CONTROL

EXCELLENT OUTPUT ACCURACY +/-1%

OVERLINE, AND TEMPERATURE VARIATIONS

HIGH PRECISION INTERNAL REFERENCE

DIGITALLY TRIMMED

VERY FAST LOAD TRANSIENT 0% TO 100%

DUTY CYCLE

POWER GOOD OUTPUT

OVERVOLTAGE PROTECTION

OVERCURRENT PROTECTION REALISED

USING THE MOSFET’s RDSon

OPERATING FREQUENCY FROM 50KHz TO

1MHz

MEETS INTEL PENTIUM II SPECIFICATION

DISABLE FUNCTION

Applications

POWER SUPPLY FOR ADVANCED MICRO-

PROCESSOR SUPPLIES

POWER SUPPLY FOR PENTIUM II INTEL

PROCESSORS

DESCRIPTION

The L6911B is a power supply controller specifi-

cally designed to provide a high performance

DC/DC conversion for Pentium II Microproces-

sors. A precise 5 bit digital to analog converter

April 1999

®

10

PGND

PHASE

GND

VFB

LGATE

BOOT

UGATE

VCC

OCSET

11

16

17

13

14

15

V

CC

5V/12V

18

2

Vin 5V/12V

Vo

1.3V to 3.5V

4

5

6

7

8

1

PGOOD

12

19

3

20

VD0

VD1

VD2

VD3

VD4

COMP

VSEN

SS

OVP

OSC

9

D98IN956B

APPLICATION CIRCUIT

SO20

L6911B

5 BIT PROGRAMMABLE POWER SUPPLY

CONTROLLER FOR PENTIUM II PROCESSOR

1/7

类似零件编号 - L6911

制造商	部件名	数据表	功能描述
STMicroelectronics	L6911C	351Kb / 20P	5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION Nov-2001
	L6911CTR	351Kb / 20P	5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION Nov-2001
	L6911D	233Kb / 17P	5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION Nov-2001
	L6911DTR	233Kb / 17P	5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION Nov-2001
	L6911E	152Kb / 20P	5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION Nov-2001

More results

类似说明 - L6911

制造商	部件名	数据表	功能描述
Analog Devices	ADP3152	274Kb / 12P	5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor REV.0
	ADP3153	164Kb / 12P	5-Bit Programmable Dual Power Supply Controller for Pentium II Processor REV.0
	ADP3154	187Kb / 12P	5-Bit Programmable Dual Power Supply Controller for Pentium III Processors REV.A
	ADP3155	200Kb / 14P	5-Bit Programmable Triple Power Supply Controller for Pentium III Processors
	ADP3157	173Kb / 12P	5-Bit Programmable Synchronous Controller for Pentium III Processors REV.A
Linear Technology	LTC1553	399Kb / 24P	5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor
	LTC1553L	370Kb / 20P	5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor
	LTC1753	269Kb / 24P	5-Bit Programmable Synchronous Switching Regulator Controller for Pentium III Processor
Analog Devices	ADP3155	207Kb / 14P	5-Bit Programmable Triple Power Supply Controller for Pentium REV. A
Linear Technology	LTC1753	257Kb / 24P	5-Bit Programmable Synchronous Switching Regulator Controller for Pentium III Processor