STW4141 STMicroelectronics, STW4141 Datasheet - Page 3

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STW4141

Manufacturer Part Number
STW4141
Description
Single Coil Dual Output Step Down Dc/dc Converter For Digital Base Band And Multimedia Processor Supply
Manufacturer
STMicroelectronics
Datasheet

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STw4141
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6
7
4.7
Package outline and mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.6.2
4.6.3
4.6.4
PCB layout considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.7.1
4.7.2
Input capacitor (CIN selection) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Output capacitors (COUT selection) . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Capacitors selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
TFBGA16 internal bumps access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Contents
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