2

 2004 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC4201

r

e

t

e

m

a

r

a

Pl

o

b

m

y

Ss

t

i

m

i

Ls

t

i

n

U

e

g

a

tl

o

V

y

l

p

p

u

SV

N

I

7V

C

N

Y

S

,

T

RV

K

_

P

V

o

t

V

3

.

0

-

D

D

3

.

0

+V

g

n

it

a

r

e

p

Oe

g

n

a

R

e

r

u

t

a

r

e

p

m

e

T

t

n

e

i

b

m

AT

A

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

JT

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

ST

G

T

S

0

5

1

o

t

5

6

-C

°

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

LT

D

A

E

L

0

0

3

+C

°

t

n

e

i

b

m

A

o

t

n

o

it

c

n

u

J

e

c

n

a

d

e

p

m

I

l

a

m

r

e

h

T

θ

A

J

6

0

2W

/

C

°

)l

e

d

o

M

y

d

o

B

n

a

m

u

H

(

g

n

it

a

R

D

S

ED

S

E2

V

k

r

e

t

e

m

a

r

a

Pl

o

b

m

y

Ss

n

o

i

t

i

d

n

o

Cn

i

Mp

y

Tx

a

Ms

t

i

n

U

g

n

it

a

r

e

p

O

,

e

g

a

tl

o

V

y

l

p

p

u

S

V

D

D

0

.

30

.

6V

t

n

e

r

r

u

C

y

l

p

p

u

SI

D

D

V

D

D

R

,

V

6

=

T

k

5

.

6

3

=

Ω C

,

T

U

O

F

p

0

2

=5

3

.

20

6

.

2A

m

d

l

o

h

s

e

r

h

T

t

r

a

t

S

D

D

V

0

1

.

3V

s

i

s

e

r

e

t

s

y

H

O

L

V

U

D

D

V

0

70

0

10

3

1V

m

e

s

a

h

p

r

e

p

,

y

c

n

e

u

q

e

r

F

t

u

p

t

u

OF

T

U

O

5

-

2

g

i

F

,

s

h

p

a

r

g

e

e

S1

.

02

z

H

M

y

ti

li

b

a

t

S

y

c

n

e

u

q

e

r

F

t

u

p

t

u

OV

D

D

V

6

o

t

V

3

=0

1%

y

c

a

r

u

c

c

A

e

s

a

h

P

d

e

t

s

e

t

t

o

n

,

n

g

i

s

e

d

y

B1

%

d

l

o

h

s

e

r

h

T

t

u

p

n

I

c

n

y

SV

C

N

Y

S

n

o

it

p

ir

c

s

e

d

n

i

p

e

e

SV

D

D

3

/V

e

m

i

T

e

s

i

R

P

/

O

T

R

C

T

U

O

V

,

F

p

0

2

=

D

D

V

6

o

t

V

3

=

0

1

s

n

e

m

i

T

ll

a

F

P

/

OT

F

C

T

U

O

V

,

F

p

0

2

=

D

D

V

6

o

t

V

3

=0

1

s

n

e

g

a

tl

o

V

t

u

p

t

u

OV

T

U

O

V

D

D

V

)

k

a

e

p

(

t

n

e

r

r

u

C

t

u

p

t

u

O

I

T

U

O

V

5

=

D

D

V5

2A

m

V

3

.

3

=

D

D

V0

1

e

c

n

a

d

e

p

m

I

t

u

p

t

u

OR

T

U

O

0

6

Ω

n

o

it

a

r

u

D

t

u

p

t

u

OT

P

)

1

(s

n

Unless specified: T

I

= -40 to +125°C, V

DD

= 5V, R

T

= 100K, 4-phase.

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.

Note:

(1)

where T

N = 3 for 3 phase operation, N = 4 for 2/4 phase operation.

N

T

T

OUT