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PM8903 Datasheet(PDF) 26 Page - STMicroelectronics

Part # PM8903
Description  3 A step-down monolithic switching regulator
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM8903 Datasheet(HTML) 26 Page - STMicroelectronics

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PM8903 demonstration board
PM8903
26/34
Doc ID 022748 Rev 1
Figure 14.
PM8903 demonstration board schematic
BOOT
PM8903
R12
C13
C14
R11
C12
EN
VIN
R1
C6, C8, C9
C4
C2, C3
PGND
R2
VCC1
C1
Q1
C5
R6
PHASE
C10
R8
L1
SYNCH
PGOOD
PSKIP/MS
R14
R15
R16
R17
R13
R10
R7
R3
R4
D1
R5
VIN1
VCC
R9
C7
1
2
3
8
13, 14
15, 16, EP
5, 6, 7
4
BOOT
PM8903
R30
C28
C29
R29
C27
EN
VIN
C22, C23, C24
C20
C18, C19
PGND
R20
VCC2
C17
Q2
C5
R6
PHASE
C26
R26
L2
SYNCH
PGOOD
PSKIP/MS
R32
R33
R34
R35
R31
R28
R25
R21
R22
D2
R23
VIN2
R27 C25
1
2
3
8
13, 14
15, 16, EP
5, 6, 7
4
R18
ON
ON
1
2
SW1
EN1 EN2
MARGIN1
MARGIN2
VOUT2
VOUT1
C11
R19
VIN
C15
C16
JP1
JP2
VIN1
VIN2
EN1
EN2



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