Diodes AL8808 Manuel d'utilisateur télécharger pdf (Page 2)

NEW PRODUCT

AL8808

Document numbe

r

Pin Descr

i

Pin Number

1

2

3

4

5

Function

a

Absolute

M

Symbol

ESD HBM

ESD MM

V

IN

V

SET

V

SW

V

CTRL

I

SW

T

J

T

LEAD

T

ST

Caution: Stress

e

functio

n

affecte

Semic

o

and tr

a

r

: DS35648 Rev. 2

i

ptions

Pin Name

SW

GND

CTRL

SET

V

IN

a

l Block Di

a

M

aximum

Human Body

M

Machine Mod

e

Continuous V

I

SET pin volta

g

SW voltage r

e

CTRL pin inp

u

Switch curren

t

Junction Tem

p

Lead Temper

a

Storage Tem

p

e

s greater than th

e

n

al operation of th

e

d by exposure to a

o

nductor devices

a

a

nsporting these d

e

- 2

Switch Pin.

C

GND Pin

Dimming an

d

• Leave

f

(

V

• Drive t

o

• Drive w

I

OUTno

m

• Drive w

• A PWM

current

Set Nominal

Input Supply

section for

m

a

gram

Ratings

(@

M

odel ESD Prot

e

e

l ESD Protectio

N

pin voltage rel

a

g

e relative to V

IN

e

lative to GND

u

t voltage

t

p

erature

a

ture Soldering

p

erature Range

e

'Absolute Maxi

m

e

device at these

o

bsolute maximum

a

re ESD sensitive

a

e

vices.

w

C

onnect inducto

r

d

On/Off Control

f

loating for norm

a

V

CTRL

= 5V, Giv

e

o

voltage below

0

ith an analog vo

l

m

ith an analog vo

l

signal (low leve

to be adjusted

b

Output Current

P

Pin. Must be lo

c

m

ore information.

Figure 1

T

A

= +25°C, unl

e

Parameter

e

ction

n

a

tive to GND

pin

m

um Ratings' spec

o

r any other condi

t

rating conditions f

o

a

nd may be dama

g

2 of 20

w

ww.diodes.co

r

/freewheeling di

o

Input.

a

l operation.

e

s nominal avera

0

.4V to turn off o

u

l

tage (0.5V < V

C

T

l

tage > 2.6V out

p

l  0.4V and hig

h

b

elow the level s

e

P

in. Configure t

h

c

ally decoupled t

.

AL8808 Bloc

k

e

ss otherwise s

p

ified above, may

c

t

ions exceeding th

o

o

r extended period

s

g

ed by exposure t

o

m

Function

o

de here, minim

i

ge output curre

n

u

tput current

T

RL

< 2.5V) to a

d

p

ut current will b

e

h

level > 2.6; tra

n

e

t by the resisto

r

h

e output current

o GND with > 2.

2

k

Diagram

p

ecified.)

c

ause permanent

d

o

se indicated in th

i

s

of time.

o

ESD events. Sui

t

i

zing track lengt

h

n

t I

OUTnom

= 0.1/

R

d

just output curr

e

e

100% of I

OUTn

o

n

sition times les

s

r

connected to S

of the device.

2

µF X7R cerami

Ratin

g

2.5

20

0

-0.3 to

-5 to +

-0.3 to

-0.3 to

1.2

5

15

0

30

0

-55 to

+

d

amage to the de

v

i

s specification is

n

t

able ESD precaut

h

at this pin to re

d

R

S

)

e

nt from 20% to

o

m

s

than 1µs) allo

w

ET input pin.

c capacitor – se

e

g

s

0

+33

0.3

+33

+6

5

0

0

+

150

v

ice. These are s

t

n

ot implied. Devic

e

ions should be ta

k

January 201

© Diodes Incorporat

e

A

L8808

d

uce EMI.

100% of

w

s the output

e

applications

Unit

kV

V

V

V

V

V

A

°C

°C

°C

tr

ess ratings only;

e

reliability may be

k

en when handling

3

e

d

1 2 3 4 5 6 7 ... 19 20

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