SP6137

更新时间： 2024-11-24 22:42:51

品牌	Logo	应用领域
西伯斯 - SIPEX		二极管控制器局域网
页数	文件大小	规格书
13页	143K
描述
Wide Input, 900KHz Synchronous PWM Controller

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中文翻译

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SP6137 数据手册

SP6137

Wide Input, 900KHz Synchronous PWM Controller

FEATURES

■ 2.5V to 20V Step Down Achieved Using Dual Input

V_CC

BST

■ Small 10-Pin MSOP Package

SP6137

■ 2A to 15A Ouput Capability

GND

V_FB

SWN

■ Highly Integrated Design, Minimal Components

■ UVLO Detects Both V_CCand V_IN

10 Pin MSOP

■ Short Circuit Protection with Auto-Restart

■ On-Board 1.5Ω sink (2Ω source) NFET Drivers

■ Programmable Soft Start

COMP

UVIN

Now Available in Lead Free Packaging

■ Fast Transient Response

■ High Efficiency: Greater than 94% Possible

■ A Synchronous Start-Up into a Pre-Charged Output

APPLICATIONS

■ 12V DPA

■ Communications Systems

■ Graphics Cards

DESCRIPTION

The SP6137 is a synchronous step-down switching regulator controller optimized for high efficiency. The part is

designed to be especially attractive for dual supply, 12V step down with 5V used to power the controller. This lower V_CC

voltage minimizes power dissipation in the part. The SP6137 is designed to drive a pair of external NFETs using a fixed

900kHz frequency, PWM voltage mode architecture. Protection features include UVLO, thermal shutdown and output

short circuit protection. The SP6137 is available in the cost and space saving 10-pin MSOP.

TYPICAL APPLICATION CIRCUIT

2.5V -20V

22µF

16V

22µF

16V

7 6 5

= 5V @ 30mA

FDS6676S

14.5A, 6mΩ

GND

C1, C2

RLF

3.0,5%

2 3

Ceramic

1210

X5R

CBST

1µF

DBST

OUT

≤

MBR0530

L1 SC5018-2R7M

2.7µH @ 12A

DCR=4.30mΩ

1.8V @ 10A

RZ3

7 6 5

Bead

VCC

SP6137

BST

4.64k, 1%

C_VCC

10µF

GND 3

SWN

47µF

6.3V

47µF

6.3V

GND

VFB

68.1k, 1%

CZ3

220pF

221k, 1%

6.3V

0.8V

2 3

COMP

UVIN

FDS6676S

14.5A, 6.0mΩ

C_VCC

CSS

47nF

GND2

Ceramic

8050

RZ2

CZ2

820pF 40.2k, 1%

CP1

100k, 1%

21.5k, 1%

X5R

C3, C4

Ceramic

1210

CF1

100pF

56pF

X5R

Date: 7/28/04

SP6137 Wide Input, 900KHz Synchronous PWM Controll

12 3 4 5 6 7...13

中文翻译

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与SP6137相关器件

型号	品牌	获取价格	描述	数据表
SP6137A	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 152V V(RWM), Bidirectional, 1 Element, Silicon, HERM
SP6137AE3	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 152V V(RWM), Bidirectional, 1 Element, Silicon, HERM
SP6137CU	ROCHESTER	获取价格	2 A SWITCHING CONTROLLER, 990 kHz SWITCHING FREQ-MAX, PDSO10, MO-187BA, MSOP-10
SP6137CU	EXAR	获取价格	Switching Regulator/Controller, Voltage-mode, 990kHz Switching Freq-Max, PDSO10
SP6137CU/TR	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 990kHz Switching Freq-Max, PDSO10, MO-187BA, MSOP-
SP6137CU/TR-L	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 690kHz Switching Freq-Max, PDSO10, LEAD FREE, MO-1
SP6137CU-L	EXAR	获取价格	Wide Input, 900kHz Synchronous PWM Step Down Controller
SP6137CU-L/TR	EXAR	获取价格	Wide Input, 900kHz Synchronous PWM Step Down Controller
SP6137CU-L/TR	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 990kHz Switching Freq-Max, PDSO10, LEAD FREE, MO-1
SP6137EU	SIPEX	获取价格	Wide Input, 900KHz Synchronous PWM Controller

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