AEROSEMI MT36291
The MT36291 is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small, low power applications. The MT36291 switches at 1.2MHz and allows the use of tiny, low cost capacitors and inductors 2mm or less in height. The MT36291 features automatic shifting to pulse frequency modulation mode at light loads.| Part No. | MT36291 |
|---|---|
| Datasheet | MT36291 Download |
| Manufacturer | AEROSEMI |
| Description | High Efficiency 1.2MHz Current Mode Step-Up Converter |
| Buy | Stock & Price |
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 20V Output Voltage
● Automatic Pulse Frequency Modulation Mode at Light Loads
● up to 93% Efficiency
● Available in a 6-Pin SOT23-6 Package
GENERAL DESCRIPTION
Internal soft-start results in small inrush current and extends battery life. The MT36291 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The MT36291 is available in a small 6-pin SOT-23 package.APPLICATIONS
● Battery-Powered Equipment● Set-Top Boxed
● LCD Bais Supply
● DSL and Cable Modems and Routers
● Networking cards powered from PCI or PCI express slots TYPICAL APPLICATION VIN L 4.7μH D CIN 22μF VIN SW MT36291 EN OC FB RSET GND R1 110k 1% R2 15k 1% VOUT=5V COUT 22μF Figure 1.
