TLE7368 datasheet(15/39 Pages) INFINEON

15 / 39 page

Data Sheet

Rev. 1.1, 2007-11-08

TLE7368

General Product Characteristics

4.4.32

Drop voltage

dr, Q_LDO2

–

400

SEL_LDO2 = GND;

CCP = 9 V;

Q_LDO2 = 250 mA;

IN = 4.5 V;

4)6)

4.4.33

Load regulation

∆VQ_LDO2

–

mV/A 2.6 V mode

1 mA <

Q_LDO2 < 650 mA

4.4.34

Power supply ripple

rejection

PSRR

Q_LDO2

–

IN_LDO2 = 5.6 V;

IN_LDO2, ripple pp = 150 mV;

IN_LDO2, ripple = 370 kHz;

Q_LDO2 = 250mA;

Q_LDO2 = 4.7 µF ceramic

X7R1)

4.4.35

Selector Pull-down

resistor

SEL_LDO2

0.7

1.2

1.9

Ω

–

4.4.36

Output capacitor

Q_LDO2

1–

470

µF

1)5)

4.4.37

Output capacitor

ESR

Q_LDO2

0–

Ω

at 10 kHz;1)

External Voltage Regulator Control

4.4.38

Driver current limit

DRV_EXT, lim

–

150

FB_EXT = 1.2 V

4.4.39

Feedback voltage

FB_EXT

1.51

–

1.55

–

4.4.40

Feedback input current

FB_EXT

-250

–

µA–

4.4.41

Load regulation

∆VFB_EXT

––

mV/A

FB/L_IN = 5.4 V;

CCP = 9.0 V;

FB_EXT = 100 µA to 1 A;

4.4.42

Output capacitor

FB_EXT

4.7

–

µF

1)5)7)

4.4.43

Output capacitor

ESR

FB_EXT

0–

0.1

Ω

at 10 kHz;1)

Voltage Tracker Q_T1

4.4.44

Output voltage tracking

accuracy to Q_LDO1

∆VQ_T1

-10

–

0 mA <

Q_T1 < 105 mA

4.4.45

Output current limitation

Q_T1

120

–

240

Q_T1 = 4.0 V

4.4.46

Drop voltage

dr, Q_T1

––

400

Q_T1 = 105 mA;

FB/L_IN = 5.3 V;

Q_LDO1 = 5.0 V

4.4.47

Power supply ripple

rejection

PSRR

Q_T1

–

FB/L_IN = 5.6 V;

FB/L_IN, ripple pp = 150 mV;

FB/L_IN, ripple = 370 kHz;

Q_LDO1 = 5.0 V;

Q_T1 = 100 mA;

Q_T1 = 4.7µF ceramic X7R;

4.4.48

Output capacitor

Q_T1

4.7

–

µF

1)5)

4.4.49

Output capacitor

ESR

Q_T1

0–

Ω

at 10 kHz;1)

Electrical Characteristics (cont’d)

IN = VIN_STBY = 13.5 V, Tj = -40 °C to +150 °C,

CCP = 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground.

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

TLE7368 数据表(PDF) 15 Page - Infineon Technologies AG

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TLE7368 数据表(PDF) 15 Page - Infineon Technologies AG

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