Datasheet > GRM1885C1H2201JA01D

GRM1885C1H2201JA01D

更新时间： 2024-11-09 12:23:23

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
14页	4766K
描述
USER GUIDE FOR IR3894 EVALUATION BOARD

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IRDC3894-P1V2

SupIRBuck

USER GUIDE FOR IR3894 EVALUATION BOARD

1.2Vout

DESCRIPTION

Output over-current protection function is

implemented by sensing the voltage developed

across the on-resistance of the synchronous

rectifier MOSFET for optimum cost and

performance and the current limit is thermally

compensated.

The IR3894 is

converter, providing

performance and flexible solution in a small

5mm X 6 mm Power QFN package.

synchronous buck

compact, high

Key features offered by the IR3894 include

internal Digital Soft Start/Soft Stop, precision

This user guide contains the schematic and bill

of materials for the IR3894 evaluation board.

The guide describes operation and use of the

evaluation board itself. Detailed application

information for IR3894 is available in the

IR3894 data sheet.

0.5Vreference voltage, Power Good,

thermal protection, programmable switching

frequency, Enable input, input under-voltage

lockout for proper start-up, enhanced line/

load regulation with feed forward, external

frequency synchronization with smooth

clocking, smart internal LDO and pre-bias

start-up.

BOARD FEATURES

• V_in= +12V (+ 13.2V Max)

•V_out= +1.2V @ 0- 12A

• F_s=600kHz

• L= 0.51uH

• C_in= 4x10uF (ceramic 1206) + 1X330uF (electrolytic)

• C_out=8x22uF (ceramic 0805)

12/22/2011

12 3 4 5 6 7...14

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