Cirrus-logic CDB53L30 Manual do Utilizador descarregar pdf (Página 29)

DS963DB1 29

CDB53L30

6 Schematics

Figure 6-8. Power Supply

Power Supply Binding Posts

current sense

C244

TANT

100uF

10V

TP18

+5V

P6SMB6.8AT3G

6.8Vbr

J83

+5V_EXT

J89

GND

TP1

TANT

100uF

10V

P6SMB6.8AT3G

6.8Vbr

VA_EXT

R3 1

VP I-SENSE

TP3

J13

TANT

100uF

10V

P6SMB6.8AT3G

6.8Vbr

J14

VP_EXT

R4 1

J31

+5V_EXT

+1.8V

VA_EXT

+3.6V

VP_EXT

USB.VBUS[5]

+5V

+5.0V to +3.3V LDO: Digital

BYPASS

N/C

GND

INPUT

OUTPUT

ADJ

N/C

SHUTDO W N

U2-A

LP3878SD-ADJ

THERM

U2-B

LP3878SD-ADJ

C67

0.01UF

X7R

TP8

+3.3V

C68

10uF

X5R

6.3V

C69

10uF

X5R

C70

1000pF

COG

TANT

100uF

10V

2.32K

R17

10K

+5V +3.3V

+5V

+5. 0V to +1.8V LDO: VA

BYPASS

N/C

GND

INPUT

OUTPUT

ADJ

N/C

SHUTDO W N

U3-A

LP3878SD-ADJ

THERM

U3-B

LP3878SD-ADJ

C15

0.01UF

X7R

R12

10K

C16

10uF

X5R

6.3V

C17

10uF

X5R

C18

1000pF

COG

C19

TANT

100uF

10V

R13

1.62K

R15

R61

+5V +1.8V

+5V

+5. 0V to +3. 6V LDO: VP

BYPASS

N/C

GND

INPUT

OUTPUT

ADJ

N/C

SHUTDOWN

U1-A

LP3878SD-ADJ

THERM

U1-B

LP3878SD-ADJ

0.01UF

X7R

10uF

X5R

6.3V

10uF

X5R

1000pF

COG

C10

TANT

100uF

10V

R11

R16

10K

2.61K

+5V +3.6V

+5V

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