4

 2005 Semtech Corp.

www.semtech.com

SC1566

POWER MANAGEMENT

Pin Descriptions

Pin Configurations

Note:

(1) 3-pin versions are fixed output

voltage only.

N

I

P

-

5

6

6

5

1

C

S

s

n

o

i

s

r

e

V

n

i

Pn

o

i

t

c

n

u

F

1N

I

V

2N

E

3D

N

G

4J

D

A

5O

V

D

N

G

S

I

B

A

T

Ordering Information

TO-263-5

TO-220-5

TO-263-3

N

I

P

-

3

6

6

5

1

C

S

s

n

o

i

s

r

e

V

n

i

Pn

o

i

t

c

n

u

F

1N

I

V

2D

N

G

3O

V

D

N

G

S

I

B

A

T

TO-220-3

Notes:

(1) Where -X.X denotes voltage options. Available

voltages are: 2.5V and 1.8V.

(2) Output voltage can be adjusted using external

resistors, see Pin Descriptions below.

(3) Only available in tape and reel packaging. A reel

contains 800 devices.

(4) Only available in tube packaging. A tube contains 50

devices.

(5) T-XX = Straight in-line; T-XX-SB = Single Bend.

(6) Lead free product. This product is fully WEEE and

RoHS compliant.

e

c

i

v

e

D

)

1

(

e

g

a

k

c

a

P

R

T

.

X

.

X

-

M

I

6

6

5

1

C

S

3

-

3

6

2

-

O

T

)

3

(

T

R

T

X

.

X

-

M

I

6

6

5

1

C

S

)

6

(

R

T

.

X

.

X

-

M

5

I

6

6

5

1

C

S

)

2

(

5

-

3

6

2

-

O

T

)

3

(

T

R

T

X

.

X

M

5

I

6

6

5

1

C

S

)

6

(

)

2

(

X

.

X

-

T

I

6

6

5

1

C

S

3

-

0

2

2

-

O

T

)

4

(

T

X

.

X

-

T

I

6

6

5

1

C

S

)

6

(

X

.

X

-

T

5

I

6

6

5

1

C

S

)

5

(

)

2

(

5

-

0

2

2

-

O

T

)

4

(

T

X

.

X

T

5

I

6

6

5

1

C

S

)

6

(

)

5

(

)

2

(

B

S

X

.

X

-

T

5

I

6

6

5

1

C

S

)

5

(

)

2

(

5

-

0

2

2

-

O

T

)

4

(

T

B

S

X

.

X

T

5

I

6

6

5

1

C

S

)

6

(

)

5

(

)

2

(

e

m

a

N

n

i

Pn

o

i

t

p

i

c

s

e

D

n

i

P

J

D

A

l

a

n

r

e

t

x

e

fI

.

s

r

o

t

s

i

s

e

r

k

c

a

b

d

e

e

f

l

a

n

r

e

t

n

i

e

h

t

y

b

t

e

s

t

a

h

t

o

t

e

g

a

tl

o

v

t

u

p

t

u

o

e

h

t

s

t

e

s

,

d

e

d

n

u

o

r

g

n

e

h

w

,

n

i

p

s

i

h

T

:

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1

e

g

a

p

n

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s

ti

u

c

r

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C

n

o

it

a

c

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p

p

A

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(

e

b

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w

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r

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c

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d

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f

N

E

f

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n

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c

a

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f

a

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t

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r

r

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c

t

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c

s

e

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u

q

e

h

t

g

n

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c

u

d

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r

,f

f

o

r

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t

a

l

u

g

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r

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h

t

s

n

r

u

t

V

4

.

0

w

o

l

e

b

n

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p

s

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h

t

g

n

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l

u

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.t

u

p

n

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l

b

a

n

E

.

d

e

s

u

g

n

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e

b

t

o

n

fi

N

I

V

o

t

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c

e

n

n

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C

.

n

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p

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tf

e

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s

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d

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b

a

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b

ll

i

w

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d

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T

.

e

u

l

a

v

g

n

it

a

r

e

p

o

s

ti

D

N

G

.

g

n

i

k

n

i

s

t

a

e

h

r

o

f

)

D

N

G

o

t

d

e

t

c

e

n

n

o

c

y

ll

a

c

ir

t

c

e

l

e

(

b

a

t

e

h

t

e

s

U

.

d

n

u

o

r

g

e

c

n

e

r

e

f

e

R

N

I

V

m

u

m

i

n

i

M

.

V

5

.

5

d

n

a

)

V

7

.

0

+

O

V

(

n

e

e

w

t

e

b

e

b

t

s

u

m

n

i

p

s

i

h

t

o

t

t

u

p

n

i

e

h

t

,

d

a

o

l

ll

u

f

t

a

n

o

it

a

l

u

g

e

r

r

o

F

.

e

g

a

tl

o

v

t

u

p

n

I

.

V

2

.

2

=

N

I

V

O

V.

e

c

i

v

e

d

e

h

t

f

o

t

u

p

t

u

o

r

e

w

o

p

e

h

t

s

i

n

i

p

s

i

h

T

Volts

R2

R2)

(R1

1.200

VO

+

=