Datasheet > SP7655_05

SP7655_05

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
10页	491K
描述
Evaluation Board Manual

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中文翻译

获取价格

数据手册

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SP7655_05 数据手册

APPLICATION CIRCUIT FOR 12V INPUT

Figure 12 shows another example of the SP7655ER configured for a common Bus

Voltage conversion from +12V input to 3.3V output at 8A.

SP7655

L1 IHLP-2525CZ-01-2R2MTR

PGND

GND

VFB

VOUT

3.30V

0-8A

2.2uH, Irate=8A

RZ2

CZ2

DCR=10.4mOhm

RZ3

8.66k,1%

7.68k,1%

2,200pF

68.1k,1%

47uF

CP1

6.3V

CZ3

120pF

VCC

GND

BST

15pF

fs=300Khz

COMP

UVIN

GND

CVCC

2.2uF

CF1

GND2

100pF

DBST

21.5k,1%

CERAMIC

1210

CSS

47nF

VIN

SD101AWS

VIN

X5R

VIN

CBST

1uF

VIN

12V

SPX5205

VIN VOUT

GND

200k,1%

C1,C4

CERAMIC

1210

Notes:

3.3uF

50V

U1 Bottom-Side Layout should has

three Contacts which are

isolated from one of another, QT

& QB Drain Contact and

3.3uF

50V

Y5V

BYP

100k,1%

0.1uF

GND

Controller GND Contact

All resistor

& capacitor size

0603 unless other

Figure 12. SP7655ER configured for Vin = 12V, Vout = 3.3V at 0-8A^wO^iseu^st^pp^ecu^ift^yLoad

Current

Load Regulation (12V to 3.3V)

Efficiency vs Load (12V to 3.3V)

3.340

100

3.335

3.330

3.325

3.320

3.315

3.310

3.305

3.300

0.5

Load Current (A)

Output Current (A)

Figure 13. Efficiency vs Load

Figure 14. Load Regulation

Vout

Iout (2A/div)

Figure 15. Load Step Response: 5-8A

Figure 16. Load Step Response: 0-6A

1...4 5 678 9 10

中文翻译

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