2

 2008 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC431

Absolute Maximum Ratings

Electrical Characteristics

r

e

t

e

m

a

r

a

P

l

o

b

m

y

Sm

u

m

i

x

a

Ms

t

i

n

U

e

g

a

tl

o

V

e

d

o

h

t

a

C

V

Z

1

3V

t

n

e

r

r

u

C

e

d

o

h

t

a

C

s

u

o

n

it

n

o

C

I

Z

0

5

1A

m

t

n

e

r

r

u

C

t

u

p

n

I

e

c

n

e

r

e

f

e

R

I

F

E

R

0

1A

m

T

t

a

n

o

it

a

p

i

s

s

i

D

r

e

w

o

P

A

C

°

5

2

=

3

-

3

2

-

T

O

S

8

-

O

S

P

D

7

3

.

0

8

7

.

0

W

e

c

n

a

t

s

i

s

e

R

l

a

m

r

e

h

T

3

-

3

2

-

T

O

S

8

-

O

S

θ

A

J

6

3

3

3

6

1

W

/

C

°

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

t

n

e

i

b

m

A

g

n

it

a

r

e

p

O

2

-

x

C

1

3

4

C

S

,

1

-

x

C

1

3

4

C

S

,

5

.

-

x

C

1

3

4

C

S

Q

x

C

1

3

4

C

S

T

A

5

8

+

o

t

0

4

-

5

2

1

+

o

t

0

4

-

C

°

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

n

o

it

c

n

u

J

g

n

it

a

r

e

p

O

T

J

0

5

1

+

o

t

0

4

-C

°

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

e

g

a

r

o

t

S

T

G

T

S

0

5

1

+

o

t

5

6

-C

°

s

d

n

o

c

e

s

0

1

)

g

n

ir

e

d

l

o

S

(

e

r

u

t

a

r

e

p

m

e

T

d

a

e

L

T

D

A

E

L

0

0

3C

°

)l

e

d

o

M

y

d

o

B

n

a

m

u

H

(

g

n

it

a

R

D

S

E

V

D

S

E

2V

k

,

5

.

-

x

C

1

3

4

C

S

Q

x

C

1

3

4

C

S

1

-

x

C

1

3

4

C

S

r

e

t

e

m

a

r

a

Pl

o

b

m

y

Sn

o

i

t

i

d

n

o

Cn

i

Mp

y

Tx

a

Mn

i

Mp

y

Tx

a

Ms

t

i

n

U

e

g

a

tl

o

V

e

c

n

e

r

e

f

e

RV

F

E

R

V

Z

V

=

F

E

R

I

,

Z

A

m

0

1

=

)

1

(

2

8

4

.

25

9

4

.

27

0

5

.

20

7

4

.

25

9

4

.

20

2

5

.

2V

V

F

E

R

n

o

it

a

i

v

e

D

p

m

e

TV

V

E

D

V

Z

V

=

F

E

R

,I

Z

A

m

0

1

=

)

1

(

87

18

5

2

V

m

n

i

e

g

n

a

h

C

f

o

o

it

a

RI

Z

,

A

m

0

1

=

∆V

Z

V

o

t

V

0

1

=

F

E

R

5

.

0

-7

.

2

-5

.

0

-7

.

2

-V

/

V

m

V

F

E

R

V

n

i

e

g

n

a

h

C

o

t

Z

I

Z

,

A

m

0

1

=

∆V

Z

V

0

1

o

t

V

0

3

=0

.

1

-0

.

2

-0

.

1

-0

.

2

-

t

u

p

n

I

e

c

n

e

r

e

f

e

R

t

n

e

r

r

u

C

I

F

E

R

k

0

1

=

1

R

Ω

=

2

R

,

∞,

I

Z

A

m

0

1

=

)

2

(

5

.

04

5

.

04

A

µ

I

F

E

R

e

r

u

t

a

r

e

p

m

e

T

n

o

it

a

i

v

e

D

I

)

V

E

D

(

F

E

R

k

0

1

=

1

R

Ω

=

2

R

,

∞,

I

Z

A

m

0

1

=

)

2

(

4

.

02

.

14

.

02

.

1

A

µ

e

d

o

h

t

a

C

e

t

a

t

S

-

ff

O

t

n

e

r

r

u

C

I

)

F

F

O

(

Z

V

F

E

R

V

,

V

0

=

Z

V

0

3

=

)

3

(

4

0

.

00

5

.

04

0

.

00

5

.

0A

µ

t

u

p

t

u

O

c

i

m

a

n

y

D

e

c

n

a

d

e

p

m

I

r

Z

V

,

z

H

k

1

<

f

Z

V

=

F

E

R

I

Z

A

m

0

0

1

o

t

A

µ

0

3

1

=

)

1

(

5

2

.

00

5

.

05

2

.

00

5

.

0

Ω

g

n

it

a

r

e

p

O

m

u

m

i

n

i

M

t

n

e

r

r

u

C

I

)

N

I

M

(

Z

V

Z

V

=

F

E

R

)

1

(

0

3

10

3

1A

µ

Z

REF

V

V

∆

∆

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 specified:T