IFX91041 Просмотр технического описания (PDF) - Infineon Technologies

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Компоненты Описание

производитель

IFX91041

1.8A DC/DC Step-Down Voltage Regulator 5.0V, 3.3V or Adjustable Output Voltage

Infineon Technologies 

IFX91041

General Product Characteristics

4.2

Functional Range

Pos. Parameter

Symbol

Limit Values

Unit

Min.

Max.

4.2.1 Supply Voltage

VS

4.75

45

V

4.2.2 Output Voltage adjust range

VCC

0.60

16

V

4.2.3 Buck inductor

LBU

18

56

µH

4.2.4 Buck capacitor

CBU1

33

120

µF

4.2.5 Buck capacitor ESR

ESRBU1 –

0.3

Ω

4.2.6 Junction Temperature

Tj

-40

150

°C

1) See section ““Application Information” on Page 12” for loop compensation requirements.

Conditions

–

IFX91041EJV

–

–

– 1)

–

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.

4.3

Thermal Resistance

Pos. Parameter

Symbol

Limit Values

Unit Conditions

Min. Typ. Max.

4.3.1

4.3.2

Junction to Case1)

Junction to ambient1)

RthJC

–

RthJA

–

–

12

K/W –

52

–

K/W 2)

1) Not subject to production test, specified by design.

2) According to Jedec JESD52-1,-5,-7 at natural convection on 2s2p FR4 PCB for 1W power dissipation. PCB

76.2x114.3x1.5mm3 with 2 inner copper layers of 70µm thickness. Thermal via array conected to the first inner copper layer

under the exposed pad.

Data Sheet

6

Rev. 1.02, 2010-02-23

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