PX3519_15 datasheet(10/21 Pages) INFINEON

Part #	PX3519

Description	Desktop and Server VR12.X Vcore and non-Vcore buck-converters

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Manufacturer	INFINEON [Infineon Technologies AG]

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PX3519

Electrical specification

Datasheet

10

Revision 2.3, 2015-10-21

4.2

Thermal characteristics

Table 6

Thermal Characteristics

Parameter

Symbol

Values

Unit

Note / Test Condition

Min.

Typ.

Max.

Thermal resistance, junction-soldering

point

3

θJS

-

7

-

K/W

-

Thermal resistance, junction-top of

package

θJtop

-

20

-

4.3

Recommended Operating Conditions and Electrical characteristics

Note: VCC = 5V, Tambient = 25°C

Table 7

Recommended Operating Conditions

Parameter

Symbol

Values

Unit

Test conditions

Min.

Typ.

Max.

Supply voltage

rising edge between 3.1V and 4.5V :

dvCC/dt>5V/100ms

T

V

TTB

VCCTB

4.5

-

8

V

–

Frequency of the PWM

fSW

-

1.2

MHz

Note

4

Enable pin voltage

T

V

TTB

ENB

0

-

3.3

V

Junction temperature

T

TTB

jOPTB

-40

-

+125

°C

–

Minimum on time

20

ns

Note

4

Minimum off time

30

ns

Note

4

Table 8

Voltage Supply And Biasing Current

Parameter

Symbol

Values

Unit

Test conditions

Min.

Typ.

Max.

UVLO rising

rising edge between 3.1V and 4.5V :

dvCC/dt>5V/100ms

V

UVLO_R

-

3.6

4.3

V

VCC rising

UVLO falling

V

UVLO_F

-

3.2

-

VCC falling

IC current

I

VCC_300kHz

-

2

-

mA

fSW = 300kHz

I

VCC_PWML

-

1.67

-

PWM = 0V

I

VCC_ENL_PWML

-

1100

-

μA

EN = 0V

PWM=0V

I

VCC_O

-

780

-

PWM = Open

3 The junction-soldering point is referred to the GND bottom exposed pad.

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