2

Rev:B Date 4/13/04

SP6644/6645 High Efficiency Boost Regulator

© Copyright 2004 Sipex Corporation

These are stress ratings only and functional operation of the

device at these ratings or any other above those indicated in

the operation sections of the specifications below is not

implied. Exposure to absolute maximum rating conditions for

extended periods of time may affect reliability.

V

V

LX, SHDN, FB, BATTLO, to GND.............-0.3 to 6.0V

Reverse battery Current, T

(NOTE 1)

V

V

Storage Temperature Range............-65˚C to +165˚C

Lead Temperature (soldering 10s)..................+300˚C

Operating Temperature.......................-40˚C to +85˚C

Power Dissipation Per Package

V

ELECTRICAL CHARACTERISTICS

R

E

T

E

M

A

R

A

P.

N

I

M.

P

Y

T.

X

A

MS

T

I

N

U

♦

♦

♦

♦

♦

S

N

O

I

T

I

D

N

O

C

,

e

g

a

t

l

o

V

t

u

p

n

I

g

n

i

t

a

r

e

p

O

m

u

m

i

x

a

M

V

)

X

A

M

(

T

T

A

B

3

.

3V

♦

♦

♦

♦

♦

V

,

e

g

a

t

l

o

V

t

u

p

n

I

p

U

-

t

r

a

t

S

T

T

A

B

2

8

.

01

.

1V

♦

♦

♦

♦

♦

R

L

k

3

=

Ω,

V

,

e

g

a

t

l

o

V

t

u

p

n

I

p

U

-

t

r

a

t

S

T

T

A

B

t

n

e

i

c

i

f

f

e

o

C

e

r

u

t

a

r

e

p

m

e

T

1

-

C

º

V

m

e

g

a

t

l

o

V

t

u

p

n

I

N

D

H

S

V

L

I

V

H

I

0

8

5

1%

V

f

o

%

T

T

A

B

V

f

o

%

T

T

A

B

t

n

e

r

r

u

C

t

u

p

n

I

N

D

H

S1

0

0

1A

n

♦

♦

♦

♦

♦

t

n

e

r

r

u

C

t

u

p

n

I

B

F1

0

0

1A

n

♦

♦

♦

♦

♦

V

B

F

,

V

3

.

1

=

V

,

e

g

a

t

l

o

V

t

e

S

B

F

B

F

5

1

2

.

12

6

2

.

19

0

3

.

1V

♦

♦

♦

♦

♦

k

c

a

b

d

e

e

f

l

a

n

r

e

t

x

e

e

g

a

t

l

o

V

p

i

r

T

g

n

il

l

a

F

O

L

T

T

A

B4

9

.

0

8

8

.

1

0

0

.

1

0

0

.

2

6

0

.

1

2

1

.

2

V

♦

♦

♦

♦

♦

V

,

4

4

6

6

P

S

T

U

O

V

3

.

3

=

V

,

5

4

6

6

P

S

T

U

O

V

3

.

3

=

V

,

e

g

a

t

l

o

V

t

u

p

t

u

O

T

U

O

6

1

.

30

3

.

34

4

.

3V

♦

♦

♦

♦

♦

V

B

F

V

1

.

0

<

e

g

n

a

R

e

g

a

t

l

o

V

t

u

p

t

u

O0

.

25

.

5V

♦

♦

♦

♦

♦

k

c

a

b

d

e

e

f

l

a

n

r

e

t

x

e

e

c

n

a

t

s

i

s

e

R

-

n

O

l

e

n

n

a

h

C

-

N5

.

00

.

1

Ω

V

T

U

O

V

3

.

3

=

e

c

n

a

t

s

i

s

e

R

-

n

O

l

e

n

n

a

h

C

-

P8

.

06

.

1

Ω

V

T

U

O

V

3

.

3

=

ABSOLUTE MAXIMUM RATINGS