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MIC2288YD5-TR

MCHPMIC2288YD5-TR

Microchip Technology
Boost Switching Regulator IC Positive Adjustable 2.5V 1 Output 1.2A (Switch) SOT-23-5 Thin, TSOT-23-5
Active16,686 in stock
Datasheet Digi-Key Compare Prices

Overview

The MIC2288YD5-TR is a high-power density, 1.2MHz PWM boost regulator designed for space-constrained applications. It features a wide input voltage range of 2.5V to 10V and an internal 1.2A switch, capable of generating output voltages up to 34V. Its high switching frequency allows for the use of small surface-mount inductors and tiny ceramic capacitors while maintaining low output ripple.

Why Choose This Part

The 1.2MHz switching frequency significantly reduces the footprint of passive components, making it ideal for compact designs. It offers excellent power management with a shutdown current of less than 1 microamp and remains stable using low-ESR ceramic capacitors. Additionally, it integrates undervoltage lockout and overtemperature protection to ensure robust operation in industrial environments.

Applications

TFT-LCD Bias Supply
Providing the necessary high-voltage bias for small-to-medium liquid crystal displays in portable electronics.
12V DSL Power Supply
Boosting standard 3.3V or 5V rails to 12V for digital subscriber line communication equipment.
Organic EL (OLED) Drivers
Generating the stable, high-voltage rails required to drive OLED panels in handheld devices.
SEPIC Converter Designs
Configuring the regulator in a SEPIC topology for applications where the output voltage can be higher or lower than the input.

Key Specifications

Function Step-Up
Topology Boost
Output Type Adjustable
Mounting Type Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5
Current - Output 1.2A (Switch)
Number of Outputs 1
Output Configuration Positive
Frequency - Switching 1.2MHz
Operating Temperature -40degC ~ 125degC (TJ)
Synchronous Rectifier No
Voltage - Input (Max) 10V
Voltage - Input (Min) 2.5V
Voltage - Output (Max) 34V (Switch)
Supplier Device Package TSOT-23-5
Voltage - Output (Min/Fixed) 2.5V

Getting Started

To get started, calculate the feedback resistor network to set the desired output voltage based on the internal 1.24V reference. Ensure the layout minimizes the trace length for the high-frequency switching path (VIN, inductor, and SW pin) to reduce EMI. Microchip provides reference designs for both standard boost and SEPIC configurations in the datasheet to assist with PCB layout.

MIC2288 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
MIC2288YD5-TR (this part) Tape & Reel 5-23 16,686
MIC2288YML-TR Tape & Reel VFDFN-8 5,628

Also Consider

TPS61040 TITexas Instruments - Suitable for lower current applications requiring output voltages up to 28V in a compact SOT-23 package.