3

 2005 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC2643VX

Absolute Maximum Ratings

Electrical Characteristics

Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the

Electrical Characteristics section is not implied. Unless otherwise specified, all other voltages are referenced to AGND.

Unless specified: V

r

e

t

e

m

a

r

a

Pl

o

b

m

y

Ss

n

o

i

t

i

d

n

o

C

t

s

e

Tn

i

Mp

y

Tx

a

Ms

t

i

n

U

y

l

p

p

u

S

_

p

i

h

C

e

g

a

tl

o

V

y

l

p

p

u

S

C

IV

C

C

5

.

72

14

1V

t

n

e

r

r

u

C

y

l

p

p

u

S

C

II

C

C

0

13

1A

m

p

U

p

m

a

R

O

L

V

UO

L

V

Ug

n

i

s

i

R

c

c

V3

.

75

.

7V

n

w

o

D

p

m

a

R

O

L

V

UO

L

V

Ug

n

il

l

a

F

c

c

V4

.

65

.

6V

n

o

i

t

c

e

S

e

c

n

e

r

e

f

e

R

t

u

p

t

u

O

p

a

g

d

n

a

BV

T

U

O

G

B

C

T

U

O

G

B

F

n

7

.

4

=5

4

9

.

20

9

9

.

25

3

0

.

3V

t

n

e

r

r

u

C

e

c

r

u

o

S

0

2

20

0

30

3

3

µA

n

o

it

c

e

j

e

R

y

l

p

p

u

SV

C

C

V

0

.

4

1

~

V

0

.

0

1

=5

.

0V

/

V

m

y

ti

li

b

a

t

S

e

r

u

t

a

r

e

p

m

e

T

<

C

A

5

8

<

o

C5

.

0%

p

e

t

S

D

I

V

B

S

L

,

8

-

K

,

X

.

9

M

R

V5

2V

m

p

e

t

S

D

I

V

B

S

L

,

0

1

M

R

V

/

D

R

V5

.

2

1V

m

y

c

a

r

u

c

c

A

e

g

a

tl

o

VV

T

U

O

V

m

0

2

-

=

t

e

s

f

f

o

l

a

n

r

e

t

n

I

;

0

1

D

R

V5

.

0

-5

.

0

+%

V

m

0

2

-

=

t

e

s

f

f

o

l

a

n

r

e

t

n

I

;

x

.

9

M

R

V1

-1

+%

V

m

5

2

+

=

t

e

s

f

f

o

l

a

n

r

e

t

n

I

;

8

-

K1

-1

+%

r

e

t

e

m

a

r

a

Pl

o

b

m

y

Sm

u

m

i

x

a

Ms

t

i

n

U

V

C

C

e

g

a

tl

o

V

y

l

p

p

u

SV

C

C

0

2

o

t

3

.

0

-V

e

g

a

tl

o

V

t

u

p

t

u

O

t

c

e

ri

D

/

e

s

n

e

S

-i

b

m

o

C

N

E

S

T

U

O

,

4

S

O

,

3

S

O

,

2

S

O

,

1

S

O5

V

5

D

I

V

t

p

e

c

x

E

s

n

i

P

D

I

V4

D

I

V

~

0

D

I

V7

V

5

D

I

V5

D

I

VV

o

t

3

.

0

-

C

C

3

.

0

+V

s

n

i

P

T

U

O

d

n

a

g

n

it

t

e

S

y

c

n

e

u

q

e

r

F

r

o

t

a

ll

i

c

s

O

F

E

R

C

S

O

,

3

T

U

O

,

2

T

U

O

,

1

T

U

O7

V

e

s

n

e

S

d

n

u

o

r

G

E

S

N

E

S

G

3

.

0

+

o

t

3

.

0

-V

s

n

i

P

r

e

h

t

O

ll

A

P

E

T

S

C

A

D

,

B

F

,

4

T

U

OV

o

t

3

.

0

-

C

C

3

.

0

+V

e

s

a

C

o

t

n

o

it

c

n

u

J

f

o

e

c

n

a

t

s

i

s

e

R

l

a

m

r

e

h

T

θ

C

J

6

.

5

1

o

W

/

C

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

t

n

e

i

b

m

AT

A

5

0

1

o

t

0

o

C

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

n

o

it

c

n

u

JT

J

5

2

1

o

t

0

o

C

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

e

g

a

r

o

t

ST

G

T

S

0

5

1

o

t

5

6

-

o

C

.

c

e

S

0

1

)

g

n

i

r

e

d

l

o

S

(

e

r

u

t

a

r

e

p

m

e

T

d

a

e

LT

D

A

E

L

0

6

2

o

C