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

Pin No. Symbol Function

1,18,19, GND

36

Ground; to reduce thermal resistance place cooling areas on

PCB close to these pins. The GND pins are connected internally

to the heat slug at the bottom.

2

CLK

SPI Interface Clock input; clocks the shift register; CLK has an

internal active pull down and requires CMOS logic level

inputs;see also chapter SPI

3

CS

SPI Interface chip select input; CS is an active low input; serial

communication is enabled by pulling the CS terminal low; CS

input should only be switched when CLK is low; CS has an

internal active pull up and requires CMOS logic level inputs ;see

also chapter SPI

4

DI

SPI Interface Data input; receives serial data from the control

device; serial data transmitted to DI is a 16 bit control word with

the Least Significant Bit (LSB) being transferred first; the input

has an active pull down and requires CMOS logic level inputs; DI

will accept data on the falling edge of CLK-signal; see also

chapter SPI

5

DO

SPI Interface Data output; this tristate output transfers

diagnosis data to the controlling device; the output will remain 3-

stated unless the device is selected by a low on Chip-Select CS;

see also the chapter SPI

6

ERR

Error output; push-pull output. Monitors failures in parallel to the

SPI diagnosis word, reset via SPI. ERR is an active low, latched

output.

7

Q_STB Standby Regulator Output; the output is active even when the

buck regulator and all other circuitry is in off mode

8

Q_T1

Voltage Tracker Output T1 tracked to Q_LDO1; bypass with a

1µF ceramic capacitor for stability. It is switched on and off by

SPI command. Keep open, if not needed.

9

Q_T2

Voltage Tracker Output T2 tracked to Q_LDO1; bypass with a

1µF ceramic capacitor for stability. It is switched on and off by

SPI command. Keep open, if not needed.

10

Q_T3

Voltage Tracker Output T3 tracked to Q_LDO1; bypass with a

1µF ceramic capacitor for stability. It is switched on and off by

SPI command. Keep open, if not needed.

Data Sheet

4

Rev. 2.2, 2006-12-01

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