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STW4510 Scheda tecnica(PDF) 3 Page - STMicroelectronics

Il numero della parte STW4510
Spiegazioni elettronici  2 step-down DC/DC converters / 5 LDO power management
PDF  57 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW4510 Scheda tecnica(HTML) 3 Page - STMicroelectronics

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Contents
3/57
4.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.2
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.2.1
Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.2.2
Vref18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.2.3
Vsdc1 DC/DC step-down converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.2.4
Vsdc2 DC/DC step-down converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.2.5
LDO regulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.2.6
Power supply monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.3
Digital specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.3.1
CMOS input/output static characteristics: I²C interface . . . . . . . . . . . . . 46
4.3.2
CMOS input/output dynamic characteristics: I2C interface . . . . . . . . . . 47
4.3.3
CMOS input/output static characteristics: VddIO level . . . . . . . . . . . . . 47
4.3.4
CMOS input static characteristics: Vbat level . . . . . . . . . . . . . . . . . . . . 48
4.3.5
NMOS input: Pon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
5
Test disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5.1
Guaranteed by design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
5.2
Fully tested on package only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
6
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.1
Components list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.2
Application schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
7.1
TFBGA 84 balls 6 mm x 6 mm x 1.2 mm . . . . . . . . . . . . . . . . . . . . . . . . . 52
7.2
TFBGA 49 balls 4 mm x 4 mm x 1.2 mm . . . . . . . . . . . . . . . . . . . . . . . . . 54
8
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56



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