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Isolation

Transformer drivers

Compact, customizable and cost-effective transformer drivers

Our small form-factor push-pull transformer drivers provide a simple, low-EMI, isolated power supply alternative to integrated isolated power solutions. Designed to drive small form-factor center tapped transformers, transformer drivers offer high-efficiency, highly customizable and flexible design options to help to reduce system costs and improve reliability for isolated power supplies for isolated solutions. 

Transformer driver portfolio overview

SN6501

SN6505A

SN6505B

SN6505D-Q1

Ouput switch current
350-mA
1-A 1-A
1-A
Switching frequency (typ.)
410-kHz
160-kHz
420-kHz
420-kHz
Soft start
no
yes
yes
no
External clock option
no
yes
yes
yes
Operating temperature range (C)
-40 to 125
-55 to 125
-55 to 125
-40 to 125
Automotive version SN6505D-Q1

Featured resuorces

Compact design for signal and power isolation

Learn how to make a compact design for signal and power isolation with 3.3 V / 5 V input and 12 V / 15 V output

How to isolate signal and power for RS-485

Explore a variety of methods to isolate signal and power for different RS-485 compact-design solutions 

HEV/EV traction inverter power stage

Jumpstart your traction inverter single-phase power stage design with this reference design featuring three ways to configure your isolated bias-supply.