3

 2004 Semtech Corp.

www.semtech.com

SC1404

POWER MANAGEMENT

Electrical Characteristics Cont.

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

d

l

o

h

s

e

r

h

T

t

i

m

i

L

-

t

n

e

r

r

u

C

)

2

e

t

o

N

(

H

S

C

X

L

S

C

-

X

)

t

n

e

r

r

u

c

e

v

it

i

s

o

p

(

H

S

C

X

L

S

C

-

X

)

t

n

e

r

r

u

c

e

v

it

a

g

e

n

(

0

45

5

0

5

-

0

7V

m

d

l

o

h

s

e

r

h

T

g

n

i

s

s

o

r

C

o

r

e

ZH

S

C

X

L

S

C

-

X

d

e

t

s

e

t

t

o

n

,

V

0

=

#

E

V

A

S

P5

V

m

e

m

i

T

p

m

a

R

t

r

a

t

S

-

t

f

o

S

,

t

i

m

il

t

n

e

r

r

u

c

ll

u

f

%

5

9

o

t

e

l

b

a

n

e

m

o

r

F

f

o

t

t

c

e

p

s

e

r

h

t

i

w

C

S

O

2

1

5s

k

l

c

y

c

n

e

u

q

e

r

F

r

o

t

a

ll

i

c

s

OL

V

=

C

N

Y

S

V

0

=

C

N

Y

S

0

2

2

0

7

1

0

0

3

0

0

2

0

8

3

0

3

2

z

H

k

r

o

t

c

a

F

y

t

u

D

m

u

m

i

x

a

ML

V

=

C

N

Y

S

V

0

=

C

N

Y

S

2

9

4

9

4

9

6

9

%

e

s

l

u

P

h

g

i

H

t

u

p

n

I

C

N

Y

Sd

e

t

s

e

t

t

o

N0

0

3s

n

e

s

l

u

P

w

o

L

t

u

p

n

I

C

N

Y

S

h

t

d

i

W

d

e

t

s

e

t

t

o

N0

0

3

e

m

i

T

ll

a

F

/

e

s

i

R

C

N

Y

Sd

e

t

s

e

t

t

o

N0

0

2

y

c

n

e

u

q

e

r

F

t

u

p

n

I

C

N

Y

S

e

g

n

a

R

-

0

4

2

0

5

3

z

H

k

t

u

p

n

I

e

s

n

e

S

-

t

n

e

r

r

u

C

t

n

e

r

r

u

C

e

g

a

k

a

e

L

V

0

.

5

=

5

H

S

C

,

V

3

.

3

=

3

H

S

C3

0

1A

µ

P

M

A

R

O

R

R

E

n

i

a

G

p

o

o

L

C

D

5

P

M

O

C

/

3

P

M

O

C

o

t

e

d

o

n

k

c

a

b

d

e

e

f

l

a

n

r

e

t

n

i

m

o

r

F8

1V

/

V

t

c

u

d

o

r

P

h

t

d

i

w

d

n

a

B

n

i

a

G

8z

H

M

e

c

n

a

t

s

i

s

e

R

t

u

p

t

u

O5

P

M

O

C

,

3

P

M

O

C5

2s

m

h

o

K

E

C

N

E

R

E

F

E

R

D

N

A

R

O

T

A

L

U

G

E

R

L

A

N

R

E

T

N

I

e

g

a

t

l

o

V

t

u

p

t

u

O

L

V,

V

0

3

<

+

V

<

V

6

;

+

V

=

#

N

D

H

S

I

<

A

m

0

D

A

O

L

V

0

=

5

N

O

=

3

N

O

,

A

m

0

3

<

6

.

45

2

.

5V

t

u

o

k

c

o

L

e

g

a

t

l

o

v

r

e

d

n

U

L

V

d

l

o

h

s

e

r

h

T

t

l

u

a

F

V

7

.

0

=

s

i

s

e

r

e

t

s

y

h

,

e

g

d

e

g

n

il

l

a

F5

.

37

.

31

.

4

t

u

o

k

c

o

L

r

e

v

o

h

c

t

i

w

S

L

Ve

g

d

e

g

n

i

s

ir

-

p

u

t

r

a

t

s

t

a

r

e

v

o

h

c

t

i

w

S5

.

4

e

g

a

t

l

o

V

t

u

p

t

u

O

F

E

Rd

a

o

l

l

a

n

r

e

t

x

e

o

N5

4

.

25

.

25

5

.

2

n

o

it

a

l

u

g

e

R

d

a

o

L

F

E

RI

<

A

µ

0

D

A

O

L

A

µ

0

5

<5

.

2

1V

m

I

<

A

m

0

D

A

O

L

A

m

5

<0

5

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

Typical values are at T