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TLE4305

Infineon Technologies
Part Number TLE4305
Manufacturer Infineon Technologies
Description Voltage-Current Regulator Wide supply voltage operation range
Published Apr 6, 2011
Detailed Description Voltage-Current Regulator TLE 4305 Features • • • • • • • • • • • • Wide supply voltage operation range Wide ambient t...
Datasheet PDF File TLE4305 PDF File

TLE4305
TLE4305

Overview
Voltage-Current Regulator TLE 4305 Features • • • • • • • • • • • • Wide supply voltage operation range Wide ambient temperature operation range Minimized external circuitry High voltage regulation accuracy High current limit regulation accuracy Low temperature drift Independent voltage- current-loop compensation Internal fixed amplification Fully temperature compensated current- and voltage OTA (operational transconductance amplifier) SMD package Industrial type Green Product (RoHS compliant) Functional Description The TLE 4305 G is specifically designed to control the output voltage and the output current of a switch mode power supply.
Independent compensation networks for the voltage- and for the current-loop can be realized by external circuitry.
The device contains a high accuracy bandgap reference voltage, two operational trans conductance amplifier (OTA), an opto-coupler driver output stage and an high-voltage bias circuit.
The device is based on Infineons double isolated power line technology DOPL which allows to produce high precision bipolar voltage regulators with breakdown voltages up to 45 V.
www.
DataSheet4U.
com Type TLE 4305 G Data Sheet Package PG-DSO-8 1 Rev.
2.
2, 2008-11-17 TLE 4305 S VSE OUT CSE 1 2 3 4 8 7 6 5 CRE VCO CCO GND AEP02887 Figure 1 Table 1 1 2 S VSE Pin Configuration (top view) Pin Definitions and Functions Supply voltage; external blocking capacitor necessary (see Figure 4).
Voltage Sense Input; non inverting with respect to voltage compensation VCO; internal compared with the high accuracy bandgap-reference (typ.
2.
5 V).
Output; NPN emitter follower output with an internal series resistor of 1 kΩ; controlled by the potential of VCO or CCO; output voltage is internally clamped therefore the output current is internally limited.
Current Sense Input 1; connected to an internal voltage divider (reference to the inverting input of the current OTA; see Figure 7).
Ground; reference potential unless otherwise specified.
Current C...


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