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L5953 Datasheet(PDF) 25 Page - STMicroelectronics

Part # L5953
Description  Multiple switching voltage regulator
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5953 Datasheet(HTML) 25 Page - STMicroelectronics

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L5953
Application note
25/31
6
Application note
Figure 20.
Block and application diagram
Figure 21.
Block diagram and application with external power MOS
VOLTAGE WARNING
SPI INTERFACE
REG2
LINEAR VOLTAGE
REGULATOR
1.5-3.3V/300mA
HSD1
HSD1
HSD2
C4
C3
D1
C6
HSD2
COMP
FB
GATEOUT
GATEIN
D2
R4
R5
R6
R3
C9
R2
R1
C8
VSW
DRAINOUT
STRAP
ADJ
VSTBY
GND
SWGND
S1
W1
S2
W2
VDD
Vo
VDD-LIN
REG1
ST-BY LINEAR VOLTAGE
REGULATOR
3.3-5V/250mA
PWM
STEP DOWN
REGULATOR
2.5-10V/1A
OSCILLATOR &
SYNC
STCAP
CT
RES
VDD-SW
IRQ
QD
S
C
VLR
FBLR
VIN
SYNC
DGND
FGND
D01AU1331B
L1
C1
C2
C5
C11
C10
C7
VSPI
VOLTAGE WARNING
SPI INTERFACE
REG2
LINEAR VOLTAGE
REGULATOR
1.5-3.3V/300mA
HSD1
HSD1
HSD2
C4
C3
D1
C6
HSD2
COMP
FB
GATEOUT
GATEIN
D2
M1
R4
R5
R6
R3
C9
R2
R1
C8
VSW
DRAINOUT
STRAP
ADJ
VSTBY
GND
SWGND
S1
W1
S2
W2
VDD
Vo
VDD-LIN
REG1
ST-BY LINEAR VOLTAGE
REGULATOR
3.3-5V/250mA
PWM
STEP DOWN
REGULATOR
2.5-10V/1A
OSCILLATOR &
SYNC
STCAP
CT
RES
VDD-SW
IRQ
QD
S
C
VLR
FBLR
VIN
SYNC
DGND
FGND
D01AU1332B
L1
C10
C7
VSPI
C2
C1
C5



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