TLE6389_07 datasheet(9/38 Pages) INFINEON

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TLE 6389

Datasheet Rev. 2.1

2007-08-13

Note: Within the functional range the IC operates as described in the circuit description.

The electrical characteristics are specified within the conditions given in the

related electrical characteristics table.

Operating Range

Item

Parameter

Symbol

Limit Values

Unit Remarks

min.

max.

3.1

Supply voltage range

VVS

3.2

Output voltage adjust

range TLE 6389-2 GV

VOUT

TLE 6389-2 GV

3.3

Sense Resistor

RSENSE

Ω

Calculation see

section 7

3.4

PMOS, on+off delay

ton+off

delay

tmin-

300 1)

tmin= VVOUT/

(VVS*fSW)

3.5

Buck driver supply

capacitor

CBDS

220

3.6

Buck inductance

µH

recommended

value

3.7

Buck inductance

100

µH

3.8

Buck output capacitor

COUT

100

µF

3.9

Junction temperature

– 40

150

°C

Thermal Resistance

3.10

Junction ambient

Rthj-a

140

K/W Footprint only

3.11

Junction pin

Rthj-p

K/W –

A too high PMOS on+off delay might cause an instable output voltage

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