AN938 datasheet(25/33 Pages) STMICROELECTRONICS

부품명	AN938

상세설명	The L4973 family is a 3.5 A monolithic DC-DC converter

PDF	33 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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25 / 33 page

AN938

Typical application

Doc ID 5410 Rev 10

25/33

Figure 35.

Demonstration board (component side)

Capacitor 470 nF 5%

Capacitor 1 µF 5%

Capacitor 22 nF 5%

Capacitor 150 pF 5%

Not mounted

Capacitor 220 nF 5%

C10

Capacitor 470 µF 63 V

EKY-630ELL471ML20S

Nippon Chemi-con

C11

Capacitor 150 µF 35 V

EKY-350ELL151MHB5D

Nippon Chemi-con

C11

Capacitor 150 µF 35 V

EKY-350ELL151MHB5D

Nippon Chemi-con

C13

Capacitor 100 nF 5%

C14

Not mounted

68 µH

Irms = 3.4 A ISAT = 6.7 A

DO5040H-683MLD

Coilcraft

L4973V3.3

STMicroelectronics

Table 2.

Resistor divider for VOUT = 12 V

Reference

Description

Part number

Manufacturer

Resistor 2.7 k

Ω 1%

Resistor 1 k

Ω 1%

Table 1.

Bill of material (fSW = 150 kHz, VOUT = 5 V) (continued)

Reference

Description

Part number

Manufacturer

AM03517v1

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