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STOD14 Scheda tecnica(PDF) 2 Page - STMicroelectronics

Il numero della parte STOD14
Spiegazioni elettronici  700 mA dual DC-DC converter for powering AMOLED displays
PDF  22 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STOD14 Scheda tecnica(HTML) 2 Page - STMicroelectronics

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Contents
STOD14
2/22
Doc ID 023562 Rev 1
Contents
1
Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5
Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6
Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.1
Inductor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.2
Input and output capacitor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.3
Recommended PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7
Detailed description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.1
Mode of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.2
Enable pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.3
Soft-start and inrush current limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.4
Startup sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.5
Fast discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.6
Undervoltage lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.7
Overtemperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.8
Short-circuit startup detection (SSD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.9
Overload protection (OLP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.10
Short-circuit protection (SCP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.11
S-WIRE protocol description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.12
Enable and S-WIRE operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.13
Programming negative output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21



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