ISL6520B 데이터 시트보기 (PDF) - Intersil

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ISL6520B

Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

Intersil 

ISL6520B

Ordering Information

PART NUMBER

ISL6520BCB

ISL6520BCBZ

(See Note)

ISL6520BCR

ISL6520BCRZ

(See Note)

ISL6520BIR

TEMP.

RANGE (oC)

PACKAGE

0 to 70 8 Ld SOIC

0 to 70

8 Ld SOIC

(Pb-free)

0 to 70 16 Ld 4x4 QFN

0 to 70

16 Ld 4x4 QFN

(Pb-free)

-40 to 85 16 Ld 4x4 QFN

PKG.

DWG. #

M8.15

M8.15

L16.4x4

L16.4x4

L16.4x4

Ordering Information (Continued)

TEMP.

PART NUMBER RANGE (oC)

PACKAGE

PKG.

DWG. #

ISL6520BIRZ

(See Note)

-40 to 85 16 Ld 4x4 QFN

(Pb-free)

L16.4x4

ISL6520EVAL1 Evaluation Board

Add “-T” suffix for tape and reel.

NOTE: Intersil Pb-free products employ special Pb-free material sets; molding

compounds/die attach materials and 100% matte tin plate termination finish,

which are RoHS compliant and compatible with both SnPb and Pb-free

soldering operations. Intersil Pb-free products are MSL classified at Pb-free

peak reflow temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

Block Diagram

VCC

+

0.8V

-

FB

COMP/SD

20µA

Typical Application

5V

RPULLUP

SHUTDOWN

RF

CF

ROFFSET

2

POR AND

SOFTSTART

ERROR

AMP

+

-

PWM

COMPARATOR

+

-

GATE

CONTROL

PWM LOGIC VCC

OSCILLATOR

FIXED 300kHz

GND

BOOT

UGATE

PHASE

LGATE

CDCPL

DBOOT

VCC

COMP/SD

5

1

ISL6520B

7

2

BOOT

CBOOT

UGATE

PHASE

8

CI

63

4 LGATE

FB

GND

VIN

CHF

CBULK

QU

LOUT

QL

COUT

VOUT

RS

FN9083.2

January 20, 2005

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