SP7661 datasheet(1/20 Pages) SIPEX

部件名	SP7661

功能描述	Wide Input Voltage Range 3A, 600kHz, Buck Regulator

PDF	20 Pages

Scroll/Zoom	100%

制造商	SIPEX [Sipex Corporation]

网页	http://www.sipex.com

标志

1 / 20 page

Mar -07 Rev N

SP766 Wide Input Voltage Range 3A, 600kHz Buck Regulator

SP7661

FEATURES

■ 4.75Vto22VInputVoltageRangeusingSingleSupply

■ 3Vto22VInputVoltageRangeusingDualSupply

■ ±1%0.8VReference

■ 3AOutputCapability

■ CurrentLimitingusingInductorDCR

■ BuiltinLowRDS(ON) PowerSwitches

■ 600kHzFixedFrequencyOperation

■ OverTemperatureProtection

■ ShortCircuitProtectionwithAuto-Restart

■ WideBWAmpAllowsTypeIIorIIICompensation

■ ProgrammableSoftStart

■ FastTransientResponse

■ HighEfficiency:Greaterthan

93%Possible

■ NonsynchronousStart-UpintoaPre-ChargedOutput

■ AvailableinRoHSCompliant,LeadFreePackaging:

Small7mmx4mmDFN

■ U.S.Patent#6,922,041

Wide Input Voltage Range

3A, 600kHz, Buck Regulator

TheSP7661isasynchronousstep-downswitchingregulatoroptimizedforhighefficiency.Thepartisdesigned

forusewithasingle4.75Vto22Vsinglesupplyor3Vto22VinputifanexternalVccisprovided.TheSP7661

providesafullyintegratedbuckregulatorsolutionusingafixed600kHzfrequency,PWMvoltagemodearchitecture.

ProtectionfeaturesincludeUVLO,thermalshutdown,outputcurrentlimitandshortcircuitprotection.TheSP7661

isavailableinthespacesavingDFNpackage

.

TYPICAL APPLICATION CIRCUIT

DESCRIPTION

PowerBloxTM

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

BOTTOM VIEW

Heatsink Pad 1

Connect to Lx

Heatsink Pad 2

Connect to GND

Heatsink Pad 3

Connect to VINP

PGND

GND

VFB

COMP

UVIN

SWN

VIN

LX

VCC

BST

LX

DFN PACKAGE

7mm x 4mm (Option 2)

SP7661

PGND

VINP

SS

ISN

ISP

PGND

GND

Pin 27

Pin 28

Pin 29

ISP

ISN

LX

ISP

NC

VFB

LX

12V (9.6V-22V)

SD101AWS

3.30V, 0-3A

GND

2

C5

100uF

VOUT

3

U1

SP7661

PGND

2

PGND

3

PGND

4

GND

5

VFB

6

COMP

7

SS

8

GND

9

ISN

0

ISP

SWN

2

VIN

3

LX 14

LX 15

LX 6

BST

7

VIN 18

GND 19

GND 20

UVIN 2

VCC 22

LX 23

LX 24

LX 25

LX 26

CZ2

6800pF

Rs2

1Ohm

C9 6.8nF

CP 56pF

C

22uF

R

0k

CBST

22nF

Cs2

2.2nF

C2

22uF

CVCC

4.7uF

GND

4

RZ3

400

R3

5.11k

DBST

R9

61.9k

RZ2

4.02k

R2

3.16k

L1,Wurth-744311220

2.2uH,14mOhm,7x7mm,9A

VIN

CSS 47nF

R4

5.11k

CZ3

1500pF

C4 47nF

CF1

100pF

类似零件编号 - SP7661

制造商	部件名	数据表	功能描述
Sipex Corporation	SP7661	1,004Kb / 20P	Wide Input Voltage Range 3A, 600kHz, Buck Regulator
	SP7661	385Kb / 11P	Evaluation Board Manual
	SP7661EB	385Kb / 11P	Evaluation Board Manual
	SP7661ER	385Kb / 11P	Evaluation Board Manual
	SP7661	385Kb / 11P	Evaluation Board Manual

More results

类似说明 - SP7661

制造商	部件名	数据表	功能描述
Sipex Corporation	SP7650	121Kb / 12P	Wide Input Voltage Range 3A, 300kHz, Buck Regulator
	SP7651	117Kb / 12P	Wide Input Voltage Range 3A, 900kHz, Buck Regulator
	SP7652	133Kb / 13P	Wide Input Voltage Range 6A, 600kHz, Buck Regulator
	SP7655	121Kb / 12P	Wide Input Voltage Range 8A, 300kHz, Buck Regulator
	SP7653	207Kb / 12P	Wide Input Voltage Range, 1.3MHz,Buck Regulator
	SP7661	1,004Kb / 20P	Wide Input Voltage Range 3A, 600kHz, Buck Regulator
	SP7650	1Mb / 16P	Wide Input Voltage Range 3A, 300kHz, Buck Regulator
	SP7652	1Mb / 16P	Wide Input Voltage Range 6A, 600kHz, Buck Regulator
	SP7653	795Kb / 15P	Wide Input Voltage Range, 1.3MHz, Buck Regulator
	SP7663	1Mb / 19P	Wide Input Voltage Range 6A, 600kHz, Buck Regulator

More results

SP7661 数据表(PDF) 1 Page - Sipex Corporation

SP7661 数据表(HTML) 1 Page - Sipex Corporation

类似零件编号 - SP7661

类似说明 - SP7661

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数据表下载

链接网址

SP7661 数据表(PDF) 1 Page - Sipex Corporation

SP7661 数据表(HTML) 1 Page - Sipex Corporation

类似零件编号 - SP7661

类似说明 - SP7661

Html Pages

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数据表 下载

链接网址

数据表下载