AN938 Datasheet, PDF(25/33 Page) STMicroelectronics – The L4973 family is a 3.5 A monolithic DC-DC converter

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AN938 Datasheet, PDF (25/33 Pages) STMicroelectronics – The L4973 family is a 3.5 A monolithic DC-DC converter

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AN938

Typical application

Table 1. Bill of material (fSW = 150 kHz, VOUT = 5 V) (continued)

Reference

Description

Part number

Manufacturer

Capacitor 470 nF 5%

Capacitor 1 ÂµF 5%

Capacitor 22 nF 5%

Capacitor 150 pF 5%

Not mounted

Capacitor 220 nF 5%

C10

Capacitor 470 ÂµF 63 V

EKY-630ELL471ML20S Nippon Chemi-con

C11

Capacitor 150 ÂµF 35 V

EKY-350ELL151MHB5D Nippon Chemi-con

C11

Capacitor 150 ÂµF 35 V

EKY-350ELL151MHB5D Nippon Chemi-con

C13

Capacitor 100 nF 5%

C14

Not mounted

68 ÂµH 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

Figure 35. Demonstration board (component side)

Manufacturer

Doc ID 5410 Rev 10

AM03517v1

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