Tda4605-3 Control IC for Switched-Mode Power Supplies Using MOS -Transistor

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Basic Info.

Model NO.

TDA4605

Installation Type

Through Hole

Supplier Device Package

P-DIP-8

Condition

Brand Newand Original

Category

Integrated Circuits (IC)

Voltage-Power

7.5 V ~ 15.5 V

Product Desciption

TDA4605-3 Control IC for Switched-Mode Power Supplies using MOS-Transistor

product information

The IC TDA 4605-3 controls the MOS-power transistor and performs all necessary control and protection functions in free running flyback converters. Because of the fact that a wide load range is achieved, this IC is applicable for consumer as well as industrial power supplies. The serial circuit and primary winding of the flyback transformer are connected in series to the input voltage. During the switch-on period of the transistor, energy is stored in the transformer. During the switch-off period the energy is fed to the load via the secondary winding. By varying switch-on time of the power transistor, the IC controls each portion of energy transferred to the secondary side such that the output voltage remains nearly independent of load variations. The required control information is taken from the input voltage during the switch-on period and from a regulation winding during the switch-off period. A new cycle will start if the transformer has transferred the stored energy completely into the load.

Fold-back characteristics provides overload protection for external components
Burst operation under secondary short-circuit condition implemented
Protection against open or a short of the control loop
Switch-off if line voltage is too low (undervoltage switch-off)
Line voltage depending compensation of fold-back point
Soft-start for quiet start-up without noise generated by the transformer
Chip-over temperature protection implemented (thermal shutdown)
On-chip ringing suppression circuit against parasitic oscillations of the transformer
AGC-voltage reduction at low load

Tda4605-3 Control IC for Switched-Mode Power Supplies Using MOS-Transistor

Tda4605-3 Control IC for Switched-Mode Power Supplies Using MOS-Transistor

Packing & Delivery

Packaging: single carton, standard weight per carton

Tda4605-3 Control IC for Switched-Mode Power Supplies Using MOS-Transistor

Application range

The company's main products are: ic, mos tube, IGBT, diode / triode, thyristor, Darlington, three-terminalvoltage
regulator, etc
Tda4605-3 Control IC for Switched-Mode Power Supplies Using MOS-Transistor