MAX17606
Secondary-Side Synchronous MOSFET Driver for Flyback Converters
Small Form Factor, High-Current Secondary-Side Driver Ideal for High-Power, Isolated DC-DC Flyback
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Key Features
Applications/Uses
| No. of Drivers | 1 |
| Logic Polarity | Noninverting |
| RON (Ω) (max) | 0.63 |
| RON (Ω) (typ) | 0.38 |
| Configuration | Low-Side N Drive |
| IOUT (A) (peak) | 2.66 |
| VSUPPLY (V) | 4.5 to 36 |
| Oper. Temp. (°C) | -40 to +125 |
| Package/Pins | TSOT/6 |
| Budgetary Price (See Notes) | 0.88 |
Simplified Block Diagram
Technical Docs
How to Optimize the Efficiency Performance of a Flyback Converter Using the MAX17606How to Optimize the Efficiency Performance of a Flyback Converter Using the MAX17606Support & Training
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Parameters
| No. of Drivers | 1 |
| Logic Polarity | Noninverting |
| RON (Ω) (max) | 0.63 |
| RON (Ω) (typ) | 0.38 |
| Configuration | Low-Side N Drive |
| IOUT (A) (peak) | 2.66 |
| VSUPPLY (V) | 4.5 to 36 |
| Oper. Temp. (°C) | -40 to +125 |
| Package/Pins | TSOT/6 |
| Budgetary Price (See Notes) | 0.88 |
Key Features
- Wide 4.5V to 36V Input
- 2A/4A Peak Source/Sink Gate Drive Currents
- Suitable for Discontinuous Conduction Mode (DCM), Border Conduction Mode (BCM)
- 320μA (typ) Low Quiescent Current
- Programmable Turn-Off Trip Point
- Programmable Minimum Off-Time to Handle DCM Ringing
- Thermal-Shutdown Protection
- 6-Lead SOT-23 Package
Applications/Uses
- High-Efficiency Isolated Flyback Converters
Description
The MAX17606 is a secondary-side synchronous driver and controller specifically designed for the isolated flyback topology operating in Discontinuous Conduction Mode (DCM) or Border Conduction Mode (BCM). By replacing the secondary diode with a MOSFET, the device improves the efficiency and simplifies thermal management. The 7V VDRV of the device makes it suitable for switching both logic-level and standard MOSFETs used for flyback synchronous rectification. The 36V input voltage allows it to drive from either the output voltage or rectified drain voltage of the secondary MOSFET. Programmable minimum on and off-times provide flexibility needed to handle transformer parasitic element-related ringing in a robust manner. With 2A/4A source/sink currents, the MAX17606 is ideal for driving low RDS(on) power MOSFETs with fast gate transition times.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
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