TLE6368(2006) データシートの表示（PDF） - Infineon Technologies

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TLE6368
(Rev.:2006)

Multi-Voltage Processor Power Supply

Infineon Technologies 

TLE 6368 / SONIC

1.4 Pin definitions and functions (cont’d)

Pin No. Symbol Function

27

Q_LDO1 Voltage Regulator Output 1; 5V output; acts as the reference

for the voltage trackers.The SPI and window watchdog logic is

supplied from this voltage. For stability a ceramic capacitor of

470nF to GND is sufficient.

28

Bootstrap Bootstrap Input; add the bootstrap capacitor between pin SW

and pin Bootstrap, the capcitance value should be 2% of the

Buck converter output capacitance

29, 31 SW

Switch Output; connect both pins externally through short lines

directly to the cathode of the catch diode and the Buck circuit

inductance.

30, 32 IN

Supply Voltage Input; connect both pins externally through

short lines to the input filter/the input capacitors.

33

BOOST Boost Input; for switching loss minimization connect a diode

(cathode directly to boost pin) in series with a 100nF ceramic

capacitor to the IN pin and from the anode of the diode to the

buck converter output a 22Ω resistor. Recommended for 42V

applications. In 12/24V applications connect boost directly to IN.

34

WAKE Wake Up Input; a positive voltage applied to this pin turns on

the device

35

SLEW Slew control Input; a resistor to GND defines the current slope

in the buck switch for reduced EME

Data Sheet

6

Rev. 2.2, 2006-12-01

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