IFX91041_11 datasheet(8/17 Pages) INFINEON

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Data Sheet

Rev. 1.1, 2011-07-08

IFX91041

Buck Regulator

5.2

Electrical Characteristics

Electrical Characteristics: Buck Regulator

S = 6.0 V to 40 V, Tj = -40 °C to +125°C, all voltages with respect to ground (unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit Conditions

Min.

Typ.

Max.

5.2.1

Output voltage

4.90

5.00

5.10

IFX91041EJV50;

VEN = VS

0.1A < ICC < 1.0A

5.2.2

4.80

5.00

5.20

IFX91041EJV50;

VEN = VS;

1mA < ICC < 1.8A

5.2.3

Output voltage

3.23

3.30

3.37

IFX91041EJV33;

VEN = VS;

0.1A < ICC < 1.0A

5.2.4

3.17

3.30

3.43

IFX91041EJV33;

VEN = VS;

1mA < ICC < 1.8A

5.2.5

Output voltage

0.588 0.60

0.612

IFX91041EJV;

VEN = VS;

FB connected to

CC;

S = 12V

0.1A <

CC < 1.0A

5.2.6

0.576 0.60

0.624

IFX91041EJV;

VEN = VS;

FB connected to

CC;

S = 12V

1mA <

CC < 1.8A

5.2.7

Minimum output load requirement

CC,MIN

–

IFX91041EJV501)

5.2.8

–

IFX91041EJV331)

5.2.9

1.5

IFX91041EJV

CC ?> 3V

5.2.10

IFX91041EJV

CC ?> 1.5V

5.2.11

–

IFX91041EJV

CC ?> =0.6V

5.2.12

FB input current

-1

-0.1

µA

IFX91041EJV

FB = 0.6V

5.2.13

FB input current

–

900

µA

IFX91041EJV50,

IFX91041EJV33

5.2.14

Power stage on-resistance

––

500

tested at 300 mA

5.2.15

Current transition rise/fall time

–50

–

CC=1 A

5.2.16

Buck peak over current limit

BUOC

2.2

–

3.6

–

5.2.17

Bootstrap under voltage lockout,

turn-off threshold

BDS,off

BUO

+3.3

–

Bootstrap voltage

decreasing

5.2.18

Charge pump current

2–

–

S = 12V;

BUO = VBDS = GND

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