MIC2290 Series

1.2MHz 750mA Isw PWM Boost Regulator w/ Internal Schottky

Catalog

1.2MHz 750mA Isw PWM Boost Regulator w/ Internal Schottky

Part	Supplier Device Package	Voltage - Input (Min) [Min]	Mounting Type	Current - Output	Synchronous Rectifier	Frequency - Switching	Package / Case	Operating Temperature [Min]	Operating Temperature [Max]	Output Type	Voltage - Output (Min/Fixed)	Voltage - Input (Max) [Max]	Function	Number of Outputs	Output Configuration	Topology	Voltage - Output (Max)
Microchip Technology MIC2290BML-TR	8-MLF® (2x2)	2.5 V	Surface Mount	750 mA		1.2 MHz	8-MLF® 8-VFDFN Exposed Pad	-40 °C	125 ¯C	Adjustable	2.5 V	10 V	Step-Up	1	Positive	Boost	34 V
Microchip Technology MIC2290YML-TR	8-MLF® (2x2)	2.5 V	Surface Mount	750 mA		1.2 MHz	8-MLF® 8-VFDFN Exposed Pad	-40 °C	125 ¯C	Adjustable	2.5 V	10 V	Step-Up	1	Positive	Boost	34 V

Catalog

1.2MHz 750mA Isw PWM Boost Regulator w/ Internal Schottky

Key Features

• + Internal Schottky diode

• + 2.5V to 10V input voltage

• + Output voltage adjustable to 34V

• + Over 500mA switch current

• + 1.2MHz PWM operation

• + Stable with ceramic capacitors

• + <1% line and load regulation

• + Low input and output ripple

• + <1µA shutdown current

• + UVLO

• + Output overvoltage protection

• + Over temperature protection

• + -40°C to +125°C junction temperature range

Description

The MIC2290 is a 1.2MHz , PWM, boost-switching regulator. The MIC2290 features an internal Schottky diode that reduces circuit board area and total solution cost. High power density is achieved with the MIC2290's internal 34V/0.5A switch, allowing it to power large loads in a tiny footprint. The MIC2290 implements a constant frequency 1.2MHz PWM control scheme. The high frequency operation saves board space by reducing external component sizes. The fixed frequency PWM topology also reduces switching noise and ripple to the input power source. The MIC2290's wide 2.5V to 10V input voltage allows direct operation from 3- to 4-cell NiCad/NiMH/Alkaline batteries, 1- and 2-cell Li-Ion batteries, as well as fixed 3.3V and 5V systems.