TLE7368 datasheet(3/39 Pages) INFINEON

3 / 39 page

Type

Package

Marking

Remark

TLE7368G

P-DSO-36-12

TLE7368 G

–

TLE7368E

PG-DSO-36-24

TLE7368 E

RoHS compliant

P-DSO-36-12

PG-DSO-36-24

Data Sheet

Rev. 1.1, 2007-11-08

Next Generation Micro Controller Supply

TLE7368

1Overview

Features

•

High efficient next generation microcontroller power supply system

•

Wide battery input voltage range < 4.5 V up to 45 V

•

Operating temperature range

j = -40 °C to +150 °C

•

Pre-regulator for low all over power loss:

Integrated current mode Buck converter 5.5 V/2.5 A

•

Post-regulators, e.g. for system and controller I/O supply:

– LDO1: 5 V

±2%, 800 mA current limit

– LDO2: 3.3 V

±2% or 2.6V ±2% (selectable output), 700 mA

current limit

•

Integrated linear regulator control circuit to supply controller cores:

– LDO3 control for an external NPN power stage: 1.5 V

±2%

•

Post-regulators for off board supply:

– 2 Tracking regulators following the main 5 V, 105 mA and 50 mA

•

Stand-by regulator with lowest current consumption:

– Linear voltage regulator as stand-by supply for e.g.

memory circuits

– Hardware selectable output voltages as 1.0 V or 2.6 V, 30 mA

– Independent battery input, separated from Buck regulator input

•

Hardware controlled on/off logic

•

Undervoltage detection:

– Undervoltage reset circuits with adjustable reset delay time at power up

– Undervoltage monitoring circuit on stand-by supply

•

Window watchdog circuit

•

Overcurrent protection on all regulators

•

Power sequencing on controller supplies

•

Overtemperature shutdown

•

Packages: Low

thja power P-DSO-36-12; small exposed pad PG-DSO-36-24

•

PG-DSO-36-24 only: Green Product (RoHS compliant)

•

AEC Qualified

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