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L5964 Datasheet(PDF) 6 Page - STMicroelectronics

No. de pieza L5964
Descripción Electrónicos  Automotive monolithic dual step-down switching regulator with LDO
PDF  16 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5964 Datasheet(HTML) 6 Page - STMicroelectronics

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Description
L5964
6/16
DB4679 Rev 1
Figure 1. Simplified, general block diagram
2 A/3.5 A*
Synchronization 125 kHz to 2.3 MHz
Free running 270 kHz or 2.2 MHz
BUCK1
TESTMODE
WAKEL
WDI
MODE
TJTEST
FDIVISION
SYNCIN
FREQSET
PGDELAYLDO
PGTHLDO
ENLDO
VINLDO
OCPSET2
PGTH2
PGDELAY2
ENBUCK2
PGND2
VINBUCK2
OCPSET1
PGTH1
PGDELAY1
ENBUCK1
PGND1
VINBUCK1
IGN_BUF
HSD_EN
UV/OV x
RESET
SYNCOUT
PGLDO
FBLDO
VOUTLDO
PGOV2
COMP2
FB2
PHASE2
BS2
PGOV1
COMP1
FB1
PHASE1
BS1
BUCK2
Free running 270 kHz or 2.2 MHz
Synchronization 125 kHz to 2.3 MHz
2 A/3.5 A*
250mA
LDO
LOGIC CORE
supervisor
Voltage
Frequency manager
Window watchdog
Reset
VBAT
SWGND
AGND
GADG2411171534PS
* > 2 A operation requires the addition of external Schottky diodes



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