TLE4305GNT

TLE4305GNT Datasheet

TLE 4305

Part	Datasheet
TLE4305GNT	TLE4305GNT (pdf)

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Voltage-Current Regulator TLE 4305 • 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. Type TLE 4305 G Data Sheet Package PG-DSO-8 TLE 4305 S1 VSE 2 OUT 3 CSE 4 8 CRE 7 VCO 6 CCO 5 GND AEP02887 Figure 1 Pin Configuration top view Table 1 Pin Definitions and Functions Pin No. Symbol Function Supply voltage external blocking capacitor necessary see Figure VSE Voltage Sense Input non inverting with respect to voltage compensation VCO internal compared with the high accuracy bandgap-reference typ. V . OUT Output NPN emitter follower output with an internal series resistor of 1 controlled by the potential of VCO or CCO output voltage is internally clamped therefore the output current is internally limited. CSE Current Sense Input 1 connected to an internal voltage divider reference to the inverting input of the current OTA see Figure GND Ground reference potential unless otherwise specified. CCO Current Compensation Output internal series resistor to the current-OTA output typ. 1 amplification internal temperature compensated current loop compensation can be done by an external capacitor to GND. VCO Voltage Compensation Output internal series resistor to the voltage-OTA output typ. 1 amplification internal temperature compensated voltage loop compensation can be done by an external capacitor to GND. CRE Current-OTA Reference Input current sense reference input non inverting input of the current-OTA.

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Voltage-Current Regulator

TLE 4305
• 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.

Type TLE 4305 G

Data Sheet

Package PG-DSO-8

TLE 4305

S1 VSE 2 OUT 3 CSE 4
8 CRE 7 VCO 6 CCO 5 GND

AEP02887

Figure 1 Pin Configuration top view

Table 1

Pin Definitions and Functions

Pin No. Symbol Function

Supply voltage external blocking capacitor necessary see

Figure

VSE Voltage Sense Input non inverting with respect to voltage
compensation VCO internal compared with the high accuracy
bandgap-reference typ. V .

OUT Output NPN emitter follower output with an internal series resistor
of 1 controlled by the potential of VCO or CCO output voltage
is internally clamped therefore the output current is internally limited.

CSE Current Sense Input 1 connected to an internal voltage divider
reference to the inverting input of the current OTA see Figure

GND Ground reference potential unless otherwise specified.

CCO Current Compensation Output internal series resistor to the
current-OTA output typ. 1 amplification internal temperature
compensated current loop compensation can be done by an
external capacitor to GND.

VCO Voltage Compensation Output internal series resistor to the
voltage-OTA output typ. 1 amplification internal temperature
compensated voltage loop compensation can be done by an
external capacitor to GND.

CRE Current-OTA Reference Input current sense reference input non
inverting input of the current-OTA.

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Datasheet ID: TLE4305GNT 638752