LM2633 datasheet(4/47 Pages) TI1

부품명	LM2633

상세설명	Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs

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제조업체	TI1 [Texas Instruments]

홈페이지	http://www.ti.com

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4 / 47 page

SHOOT-

THROUGH

PROTECTION

hdrv1

ldrv1

vdd1

sw1

pgnd1

cboot1

ilim1

ks1

vin

vlin5

5V

LDO

PWM LOGIC

SKIP CONTROL

& REST

CURRENT

LIMIT

CMP 1

R-2R DAC

MIN ON

TIME CMP 1

.85

0.9V

5V

ss

op

PWM

CMP 1

10PA

CYCLE

SKIP CMP 1

0.5V

CURRENT

SENSE AMP 1

COMPEN.

RAMP 1

X5

UV

DETECTION

uvlo

1.1V

X2.5

on/ss1

ssto1

2PA

0-CROSS/

NEG. ILIM

CMP 1

ERR

AMP 2

gm

0.9V

gnd

thsd: thermal shutdown

ss: soft start

ssto: ss time out

op: normal operation

uvlo: under volt. lockout

1.5V

thsd

fault

1V

ch1 on

5PA

1.1V

fault

R

S

Q

S>R

similar signal

from Ch.2

pwm or

new vid

0

.5V

.75V

QN

ch1 on

endfault

vout1

slope = VIN x f

isns1

vout1

BATTERY

5V

comp1

Channel 1 and Channel 3

Voltage Clamp

Hi: 0.8V in ss,

2V in op.

Lo: 0.45V.

LREG 1

in: 0.88V

5V

new vid

45mV

inn1

1.1V

out: 0.82V

ERR

AMP3

1.24V

g3

out3

fb3

EXT.

3.3V

vout3

linear regulator controller

VID CHANGE

DETECTION

CIRCUIT

Note:

1. Bold blocks and symbols are common to both

Channel 1 and Channel 2;

2. Wires and components in light weight

are external to the IC.

LM2633

SNVS139C – MAY 2004 – REVISED APRIL 2005

www.ti.com

Block Diagram

Figure 2. Channel 1 and Channel 3 Block Diagram

4

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Product Folder Links: LM2633

유사한 부품 번호 - LM2633

제조업체	부품명	데이터시트	상세설명
National Semiconductor ...	LM2633	1Mb / 40P	Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs
National Semiconductor ...	LM2633MTD	1Mb / 40P	Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs
Texas Instruments	LM2633	1Mb / 51P	[Old version datasheet] LM2633 Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs

More results

유사한 설명 - LM2633

제조업체	부품명	데이터시트	상세설명
National Semiconductor ...	LM2633	1Mb / 40P	Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs
Texas Instruments	LM2633	1Mb / 51P	[Old version datasheet] LM2633 Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs
Maxim Integrated Produc...	MAX1717	501Kb / 32P	Dynamically Adjustable, Synchronous Step-Down Controller for Notebook CPUs 19-1636; Rev 0; 1/00
Intersil Corporation	IPM6210A	658Kb / 15P	Precision Dual PWM Controller And Linear Regulator for Notebook CPUs
Fairchild Semiconductor	FAN5231	360Kb / 17P	Precision Dual PWM Controller And Linear Regulator for Notebook CPUs
Renesas Technology Corp	IPM6210A	860Kb / 15P	Precision Dual PWM Controller And Linear Regulator for Notebook CPUs Aug 2001
Renesas Technology Corp	ISL6264	1Mb / 23P	Two-Phase Core Controller for AMD Mobile Turion CPUs
Intersil Corporation	ISL6264	433Kb / 24P	Two-Phase Core Controller for AMD Mobile Turion CPUs
Intersil Corporation	ISL6262CRZ	559Kb / 27P	Two-Phase Core Regulator for IMVP-6 Mobile CPUs May 15, 2006
Renesas Technology Corp	ISL6262	1Mb / 27P	Two-Phase Core Regulator for IMVP-6 Mobile CPUs

More results

LM2633 데이터시트(PDF) 4 Page - Texas Instruments

LM2633 데이터시트(HTML) 4 Page - Texas Instruments

유사한 부품 번호 - LM2633

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