MT3609L 2.5A, High Efficiency 1.2MHz Current Mode Step-Up Converter

The MT3609L is a constant frequency, 6-pin
SOT23 current mode step-up converter
intended for small, low power applications. The
MT3609L switches at 1.2MHz and allows the
use of tiny, low cost capacitors and inductors
2mm or less in height. Internal soft-start results
in small inrush current and extends battery life. The MT3609L features automatic shifting to
pulse frequency modulation mode at light loads. The MT3609L includes under-voltage lockout, current limiting, and thermal overload
protection to prevent damage in the event of an
output overload. The MT3609L is available in a
small 6-pin SOT-23 package.


FEATURES
 Integrated 80mΩ Power MOSFET
 2.2V to 16V Input Voltage
 1.2MHz Fixed Switching Frequency
 Adjustable Over Current Protection:
0.5A ~2.5A
 Internal 2.5A Switch Current Limit(OC
pin floating)
 Adjustable Output Voltage
 Internal Compensation
 Over Voltage Protection
 Up to 16V Output Voltage
 Automatic Pulse Frequency Modulation
Mode at Light Loads
 up to 93% Efficiency
 Available in a 6-Pin SOT23-6 Package
APPLICATIONS
 Battery-Powered Equipment
 Set-Top Boxed
 LCD Bias Supply
 DSL and Cable Modems and Routers
 Networking cards powered from PCI or
PCI express slots
 

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