SC1454-1.8IMSTR 查看數據表（PDF） - Semtech Corporation

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SC1454-1.8IMSTR

Dual 150mA Ultra Low Dropout, Low Noise Regulator

Semtech Corporation 

SC1454

POWER MANAGEMENT

Evaluation Board Schematic

J6

OUTA

J7

OUTB

J4

RIPPLE A

12345

J5

RIPPLE B

12345

1

2

R2

3

R4

C1

C2

U1 SC1454xIMS

1

OUTA

8

IN

2

OUTB

7

ENA

3

GND

6

BYP

4

SETA

5

ENB

JP3

1

2

IQ MON

J1

ENA

J2

ENB

JP1

1

ON

2

3

OFF

OUTA ENABLE

J3

VIN

JP2

1

ON

2

3

OFF

OUTB ENABLE

R1

C3

C4

R3

+ C5

220uF

JP4

EXT

1

2

INT

3

OUTA SET

R5

R6

J8

OUTB LOAD DRV

U2

8

7

D

6

5

D

D

D

S

S

S

G

1

2

3

4

Si4410

JP5

1

EN

2

3

OFF

OUTB LOAD

U3

8

7

6

5

D

D

D

D

1

S

S

S

G

2

3

4

Si4410

J9

OUTA LOAD DRV

JP6

1

EN

2

3

OFF

OUTA LOAD

J10 J11 J12 J13 J14 J15

GND GND GND GND GND GND

Evaluation Board Gerber Plots

 2005 Semtech Corp.

Top Copper

Bottom Copper

12

www.semtech.com

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