4

ã 2001 Semtech Corp.

www.semtech.com

LM2575 & LM2576

POWER MANAGEMENT

Notes:

(1) Output sourcing current, resistive load, no inductor or capacitor.

(2) Feedback = V

(3) Feedback = 0V.

Electrical Characteristics (Cont.)

r

e

t

e

m

a

r

a

Pl

o

b

m

y

Ss

n

o

it

i

d

n

o

C

t

s

e

Tn

i

Mp

y

Tx

a

Ms

ti

n

U

t

n

e

rr

u

C

e

g

a

k

a

e

L

t

u

p

t

u

O

)

2

(

V

0

=

t

u

p

t

u

OI

L

V

N

I

V

=

N

I

d

e

t

a

R2

A

m

V

1

-

=

t

u

p

t

u

O

5

.

70

3

t

n

e

rr

u

C

t

n

e

c

s

e

i

u

Q

)

2

(

I

Q

50

1A

m

2

1

t

n

e

rr

u

C

t

n

e

c

s

e

i

u

Q

y

b

d

n

a

t

SI

Y

B

T

S

0

5A

µ

)

V

5

=

n

i

P

ff

O

/

n

O

(

0

0

5

l

e

v

e

L

t

u

p

n

I

c

i

g

o

L

n

i

P

ff

O

/

n

OV

H

I

2

.

24

.

1V

4

.

2

V

L

I

2

.

10

.

1

V

8

.

0

t

n

e

rr

u

C

t

u

p

n

I

n

i

P

ff

O

/

n

OI

H

I

V

F

F

O

/

N

O

)f

f

O

(

V

5

=2

10

3A

µ

I

L

I

V

F

F

O

/

N

O

)

n

O

(

V

0

=0

0

1

Unless otherwise specified: V

I