2

 2004 Semtech Corp.

www.semtech.com

SC1404

PRELIMINARY

POWER MANAGEMENT

Electrical Characteristics

Absolute Maximum Ratings

R

E

T

E

M

A

R

A

PS

N

O

I

T

I

D

N

O

CN

I

MP

Y

TX

A

MS

T

I

N

U

S

R

E

L

L

O

R

T

N

O

C

S

P

M

S

N

I

A

M

e

g

n

a

R

e

g

a

tl

o

V

t

u

p

n

I

60

.

0

3V

e

g

a

tl

o

V

t

u

p

t

u

O

V

3ti

m

il

t

n

e

r

r

u

c

o

t

A

0

=

d

a

o

l

V

3

,

V

0

3

o

t

0

.

6

=

+

V3

2

.

33

.

37

3

.

3V

e

g

a

tl

o

V

t

u

p

t

u

O

V

5ti

m

il

t

n

e

r

r

u

c

o

t

A

0

=

d

a

o

l

V

5

,

V

0

3

o

t

0

.

6

=

+

V9

.

40

.

51

.

5V

n

o

it

a

l

u

g

e

R

d

a

o

LL

V

=

#

E

V

A

S

P

,t

i

m

il

t

n

e

r

r

u

c

o

t

A

0

,

S

P

M

S

r

e

h

ti

E4

.

0

-%

n

o

it

a

l

u

g

e

R

e

n

i

LL

V

=

#

E

V

A

S

P

,

V

0

3

<

+

V

<

0

.

6

,

S

P

M

S

r

e

h

ti

E5

0

.

0V

/

%

Unless otherwise noted: V+ = 15V, both PWMs on, SYNC = 0V, VL load = 0mA, REF load = 0mA, PSAVE# = 0V, T

Typical values are at T

R

E

T

E

M

A

R

A

PN

O

I

T

P

I

R

C

S

E

DM

U

M

I

X

A

MS

T

I

N

U

D

N

G

o

t

5

E

S

A

H

P

,

3

E

S

A

H

P

,

+

V

,

D

D

V

s

e

g

a

tl

o

V

e

s

a

h

P

d

n

a

y

l

p

p

u

S0

3

+

o

t

3

.

0

-V

D

N

G

o

t

5

E

S

A

H

P

,

3

E

S

A

H

Ps

e

g

a

tl

o

V

e

s

a

h

P)

c

e

s

n

0

0

1

-

t

n

e

i

s

n

a

r

t

(

0

.

2

-V

D

N

G

o

t

5

H

D

,

3

H

D

,

5

T

S

B

,

3

T

S

Bs

e

g

a

tl

o

v

t

s

o

o

B6

3

+

o

t

3

.

0

-V

D

N

G

o

t

D

N

G

P

d

n

u

o

r

G

l

a

n

g

i

S

o

t

d

n

u

o

r

G

r

e

w

o

P3

.

0

±V

D

N

G

o

t

L

Vy

l

p

p

u

S

c

i

g

o

L6

+

o

t

3

.

0

-V

;

5

E

S

A

H

P

o

t

5

T

S

B

;

3

E

S

A

H

P

o

t

3

T

S

B

y

l

p

p

u

S

e

v

i

r

D

e

t

a

G

e

d

i

s

-

h

g

i

H6

+

o

t

3

.

0

-V

5

E

S

A

H

P

o

t

5

H

D

;

3

E

S

A

H

P

o

t

3

H

D

s

t

u

p

t

u

O

e

v

i

r

D

e

t

a

G

e

d

i

s

-

h

g

i

H)

3

.

0

+

x

T

S

B

+

(

o

t

3

.

0

-V

D

N

G

o

t

5

L

D

,

3

L

D

D

N

G

o

t

3

H

S

C

,

3

L

S

C

,

5

H

S

C

,

5

L

S

C

s

t

u

p

t

u

O

e

v

i

r

D

e

t

a

G

e

d

i

s

-

w

o

L

s

t

u

p

n

i

e

s

n

e

S

t

n

e

r

r

u

C

d

n

a

)

3

.

0

+

L

V

(

+

o

t

3

.

0

-V

,

#

T

E

S

E

R

,

5

N

O

,

#

E

V

A

S

P

,

Q

E

S

,

C

N

Y

S

,

F

E

R

D

N

G

o

t

5

P

M

O

C

,

3

P

M

O

C

,

5

B

F

,

3

B

F

,

L

V

s

t

u

p

t

u

o

/

s

t

u

p

n

i

c

i

g

o

L)

3

.

0

+

L

V

(

+

o

t

3

.

0

-V

D

N

G

o

t

#

N

D

H

S

,

3

N

O

)

V

3

.

0

+

+

V

(

+

o

t

3

.

0

-V

D

N

G

o

t

t

r

o

h

S

F

E

R

,

L

V

s

u

o

u

n

it

n

o

C

t

n

e

r

r

u

C

F

E

R

5

+A

m

t

n

e

r

r

u

C

L

V

0

5

+A

m

D

N

G

o

t

T

U

O

2

1

)

3

.

0

+

D

D

V

+

(

o

t

3

.

0

-V

D

N

G

o

t

t

r

o

h

S

T

U

O

2

1

s

u

o

u

n

it

n

o

C

t

n

e

r

r

u

C

T

U

O

2

1t

n

e

r

r

u

c

t

u

p

t

u

o

V

2

10

0

2

+A

m

T

J

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

n

o

it

c

n

u

J0

5

1

+C

°

e

c

n

a

t

s

i

s

e

R

l

a

m

r

e

h

T

e

g

a

k

c

a

Pt

n

e

i

b

m

a

o

t

n

o

it

c

n

u

j6

7tt

a

W

/

C

°

T

S

e

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

e

g

a

r

o

t

S0

0

2

+

o

t

5

6

-C

°

T

L

e

r

u

t

a

r

e

p

m

e

T

d

a

e

L.

x

a

m

d

n

o

c

e

s

0

1

,

C

°

0

0

3

+C

°

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.