TLE6711GL datasheet(16/25 Pages) INFINEON

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Data Sheet

Rev. 3.4, 2007-08-16

TLE 6711

Circuit Description

Electrical Characteristics: Boost-Converter; BOI, BOFB and

BOOST

CC = 4.75 V to 5.25 V; VBoost = 8 V to 35 V, Tj = -40 °C to +150 °C, RR = 47 kΩ; all voltages with respect to ground,

positive current flowing into pin (unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

4.5.12

Boost voltage;

see application circuit

BOOST

24.0

27.5

31.0

5 mA <

BOOST <

100 mA;

j = 25 °C;

8 V <

Batt < 16 V

4.5.13

Boost Voltage;

see application circuit

BOOST

–

5 mA <

BOOST <

100 mA;

8 V <

Batt < 16 V

4.5.14

Efficiency; see. appl. circuit

–

BOOST = 100 mA

4.5.15

Power-Stage ON resistance

BOON

–

0.6

0.75

Ω

j = 25 °C;

BOI = 1 A

4.5.16

Power-Stage ON resistance

BOON

–

1.4

Ω

BOI = 1 A

4.5.17

Boost overcurrent threshold

BOOC

1.0

1.3

1.8

–

4.5.18

Feedback threshold voltage

BOFBTH

2.55

2.7

2.85

BOI = 12 V;

BOOST = 25 mA

4.5.19

Feedback input current

-2

-0.4

µA

2 V <

BOFB < 4 V

Electrical Characteristics: Buck-Converter; BUO, BDS, BUC and

CC = 4.75 V to 5.25 V; VBoost = 8 V to 35 V, Tj = -40 °C to +150 °C, RR = 47 kΩ; all voltages with respect to ground,

positive current flowing into pin (unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

4.5.20

Logic supply voltage

4.9

–

5.1

1 mA <

CC <

250 mA; see. appl.

circuit

4.5.21

Efficiency; see. appl. circuit

–

CC = 250 mA;

Boost = 25 V

4.5.22

Power-Stage ON resistance

BUON

–

0.38

0.5

Ω

j = 25 °C;

BUO = 1 A

4.5.23

Power-Stage ON resistance

BUON

–

1.0

Ω

BUO = 1 A

4.5.24

Buck overcurrent threshold

BUOC

0.7

0.95

1.2

–

4.5.25

Input current on pin

–

0.2

0.5

CC = 5 V

4.5.26

Buck Gate supply voltage;

BGS = VBDS - VBOOST

BGS

–

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