SP7662 datasheet(1/19 Pages) SIPEX

部件名	SP7662

功能描述	Wide Input Voltage Range 12A, 300kHz, Buck Regulator

PDF	19 Pages

Scroll/Zoom	100%

制造商	SIPEX [Sipex Corporation]

网页	http://www.sipex.com

标志

1 / 19 page

Nov3-06 Rev AE

SP7662 Wide Input Voltage Range 2A, 300kHz Buck Regulator

SP7662

FEATURES

■

4.75V to 22V Input Voltage Range using Single Supply

■

3V to 22V Input Voltage Range using Dual Supply

■

±% 0.8V Reference

■

2A Output Capability

■

Current Limiting using Inductor DCR

■

Built in Low RDS(ON) Power Switches

■

300 kHz Fixed Frequency Operation

■

Over Temperature Protection

■

Short Circuit Protection with Auto-Restart

■

Wide BW Amp Allows Type II or III Compensation

■

Programmable Soft Start

■

Fast Transient Response

■

HighEfficiency:Greaterthan

95% Possible

■

Nonsynchronous Start-Up into a Pre-Charged Output

■

AvailableinRoHSCompliant,LeadFreePackaging:

Small 7mm x 4mm DFN

■

U.S. Patent #6,922,04

Wide Input Voltage Range

12A, 300kHz, Buck Regulator

TheSP7662isasynchronousstep-downswitchingregulatoroptimizedforhighefficiency.Thepartisdesigned

for use with a single 4.75V to 22V single supply or 3V to 22V input if an external Vcc is provided. The SP7662 pro-

videsafullyintegratedbuckregulatorsolutionusingafixed300kHzfrequency,PWMvoltagemodearchitecture.

Protection features include UVLO, thermal shutdown, output current limit and short circuit protection. The SP7662

is available in the space saving DFN package

.

TYPICAL APPLICATION CIRCUIT

DESCRIPTION

PowerBloxTM

SP7662

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 VIN

PGND

GND

VFB

COMP

UVIN

SWN

VIN

LX

VCC

BST

LX

DFN PACKAGE

7mm x 4mm (Option 2)

PGND

VINP

SS

ISN

ISP

PGND

GND

Pin 27

Pin 28

Pin 29

12V

SD101AWS

3.30V, 0-12A

GND

C5

100uF

VOUT

U1

SP7662

Rs1

CZ2

10nF

C9 6.8nF

Rs2

1 Ω

CP1 100pF

RBST

5.1Ω

C1

22uF

C3

22uF

R1

10kΩ

CBST

22nF

R8 NP

Cs1

2.2nF

Cs2

2.2nF

C2

22uF

GND

CVCC

4.7uF

RZ3

453Ω

R3

5.11KΩ

R9

NP

DBST

RZ2

4020

Ω

L1, SC5018-2R7M

2.7uH, 4.1mΩ

R2

3160Ω

VIN

C6

100uF

CSS 47nF

R4

5.11K

Ω

CZ3

2.2nF

C4 .1uF

CF1

100pF

ISP ISN

ISN

LX

ISP

NC

1 Ω

PGND

1

PGND

2

PGND

3

PGND

4

GND

5

VFB

6

COMP

7

SS

8

GND

9

ISN

10

ISP

11

SWN

12

VINP

13

LX 14

LX 15

LX 16

BST 17

VIN 18

GND 19

GND 20

UVIN 21

VCC 22

LX 23

LX 24

LX 25

LX 26

类似零件编号 - SP7662

制造商	部件名	数据表	功能描述
Sipex Corporation	SP7662	1Mb / 19P	Wide Input Voltage Range 12A, 300kHz, Buck Regulator
Sipex Corporation	SP7662	545Kb / 11P	Evaluation Board Manual
Exar Corporation	SP7662	1Mb / 19P	12A 300KHz Synchronous Step Down Regulator
Sipex Corporation	SP7662EB	545Kb / 11P	Evaluation Board Manual
Sipex Corporation	SP7662ER	545Kb / 11P	Evaluation Board Manual

More results

类似说明 - SP7662

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
	SP7655	121Kb / 12P	Wide Input Voltage Range 8A, 300kHz, Buck Regulator
	SP7653	207Kb / 12P	Wide Input Voltage Range, 1.3MHz,Buck Regulator
	SP7650	1Mb / 16P	Wide Input Voltage Range 3A, 300kHz, Buck Regulator
	SP7653	795Kb / 15P	Wide Input Voltage Range, 1.3MHz, Buck Regulator
	SP7655	1Mb / 16P	Wide Input Voltage Range, 8Amp 300kHz, Buck Regulator
	SP7662	1Mb / 19P	Wide Input Voltage Range 12A, 300kHz, Buck Regulator
International Rectifier	IR3820MPBF	676Kb / 21P	HIGHLY INTEGRATED 12A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
	IR3876MBF	959Kb / 20P	12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR
	IR3876MPBF	1Mb / 21P	12A HIGHLY INTEGRATED WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR