TLE8366 datasheet(9/19 Pages) INFINEON

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TLE8366

Buck Regulator

Data sheet

Rev. 1.0, 2009-05-18

Figure 3

Block Diagram Buck Regulator

5.2

Electrical Characteristics

Electrical Characteristics: Buck Regulator

S = 6.0 V to 40 V, Tj = -40 °C to +150 °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

TLE8366EV50;

VEN = VS

0.1A < ICC < 1.0A

5.2.2

4.80

5.00

5.20

TLE8366EV50;

VEN = VS;

1mA < ICC < 1.8A

5.2.3

Output voltage

3.23

3.30

3.37

TLE8366EV33;

VEN = VS;

0.1A < ICC < 1.0A

5.2.4

3.17

3.30

3.43

TLE8366EV33;

VEN = VS;

1mA < ICC < 1.8A

5.2.5

Output voltage

0.588 0.60

0.612

TLE8366EV;

VEN = VS;

FB connected to

CC;

S = 12V

0.1A <

CC < 1.0A

5.2.6

0.576 0.60

0.624

TLE8366EV;

VEN = VS;

FB connected to

CC;

S = 12V

1mA <

CC < 1.8A

Schmitt-Trigger 1

Vhigh

Vlow

Ramp

SYNC

OFF

when H

Clock

Error-FF

L when

Tj > 175 °C

Error

Amp.

COMP

Error-Signal

Error-Ramp

PWM

Comp.

H when

Error-Signal <

Error-Ramp

Output Stage

OFF when H

NOR1

L when Overcurrent

NAND 2

H =

OFF

PWM-FF

INV

H =

Gate

Driver

Gate Driver

Supply

Power

D-MOS

BUO

BDS

Comp.

BDS

UV Comp.

H when

UV at

VBDS

Charge

Pump

Oscillator

Vmax

Vmin

Soft start

Ramp

Generator

VRef

0.6 V

∆V=k X VS

Feedforward

L when

Output

overvoltage

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