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TK75002 Datasheet (PDF) - TOKO, Inc

TK75002 Datasheet PDF - TOKO, Inc
Part No. TK75002
Download  TK75002 Click to view

File Size   77.08 Kbytes
Page   10 Pages
Manufacturer  TOKO [TOKO, Inc]
Direct Link  http://www.toko.com
Logo TOKO - TOKO, Inc
Description ERROR SIGNAL ISOLATOR

TK75002 Datasheet (PDF)

Go To PDF Page Download Datasheet
TK75002 Datasheet PDF - TOKO, Inc

Part No. TK75002
Download  TK75002 Click to view

File Size   77.08 Kbytes
Page   10 Pages
Manufacturer  TOKO [TOKO, Inc]
Direct Link  http://www.toko.com
Logo TOKO - TOKO, Inc
Description ERROR SIGNAL ISOLATOR

TK75002 Datasheet (HTML) - TOKO, Inc

TK75002 Datasheet HTML 1Page - TOKO, Inc TK75002 Datasheet HTML 2Page - TOKO, Inc TK75002 Datasheet HTML 3Page - TOKO, Inc TK75002 Datasheet HTML 4Page - TOKO, Inc TK75002 Datasheet HTML 5Page - TOKO, Inc TK75002 Datasheet HTML 6Page - TOKO, Inc TK75002 Datasheet HTML 7Page - TOKO, Inc TK75002 Datasheet HTML 8Page - TOKO, Inc TK75002 Datasheet HTML 9Page - TOKO, Inc TK75002 Datasheet HTML 10Page - TOKO, Inc

TK75002 Product details

DESCRIPTION
The TK75002 monitors the output voltage of a power supply, generates an error signal, and transmits the error signal across an isolation barrier using a small pulse transformer. In conjunction with the pulse transformer, it replaces the TL431/opto-coupler combination and eliminates the undesirable zero created in the feedback loop by that combination. The transformer is driven with pulse amplitude modulation in a free-running oscillator configuration. The period of oscillation is proportional to the inductance of the pulse transformer. The magnitude of the voltage pulse is internally limited so that the pulse transformer design need not be changed for various output voltages.
The TK75002 is available in an 8-pin DIP package.

FEATURES
■ Eliminates Opto-coupler from Feedback Loop
■ Replaces TL431 and Eliminates Parasitic Zero
■ Pulse Transformer Driver
■ Same Transformer for Any Output Voltage
■ Peak Current Controlled
■ Automatic Volt-Second Balancing
■ Self-running Oscillator
■ Hi-performance Op-amp & Bandgap Reference
■ Functionally Integrated & Simplified 5-pin Design

APPLICATIONS
■ Power Supplies with Primary-Side Controller
■ Low Isolation-Barrier Capacitance Equipment
■ Instrumentation
■ Industrial Process Control
■ Test Equipment
■ Data Acquisition



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