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Switching Voltage Regulators 1.2MHz PWM Boost Converter with OVP

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MIC2619YD6-TR General Description

The MIC2619 is a 1.2MHz pulse width modulated (PWM) step-up switching regulator that is optimized for low power, high output voltage applications. With a maximum output voltage of 35V, and a switch current of over 350mA, the MIC2619 can easily supply most high voltage bias applications, such as TV tuners.

The MIC2619 implements a constant frequency 1.2MHz PWM current-mode control scheme. The high frequency PWM operation saves board space by reducing external component sizes. The additional benefit of the constant frequency PWM control scheme as opposed to variable frequency control schemes is lower output noise and smaller input ripple injected back to the battery source. The MIC2619 has programmable overvoltage protection to ensure output protection in case of fault condition.

The MIC2619 is available in a low profile Thin SOT-23 6-pin package. The MIC2619 has a junction temperature range of -40°C to +125°C.

Microchip Technology, Inc Inventory

Key Features

    • 2.8V to 6.5V input voltage
    • 350mA switch current
    • Output voltage up to 35V
    • 1.2MHz PWM operation
    • 1.265V feedback voltage
    • Programmable over-voltage protection (OVP)
    • <1% line regulation
    • <1μA shutdown current
    • Over-temperature protection
    • Under-voltage lock out (UVLO)
    • Low profile Thin SOT-23-6 package
    • -40°C to +125°C junction temperature range
Microchip Technology, Inc Original Stock


Category Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - DC DC Switching Regulators Mfr Microchip Technology
Series - Package Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status Active Function Step-Up
Output Configuration Positive Topology Boost
Output Type Adjustable Number of Outputs 1
Voltage - Input (Min) 2.8V Voltage - Input (Max) 6.5V
Voltage - Output (Min/Fixed) 2.8V Voltage - Output (Max) 35V
Current - Output 350mA (Switch) Frequency - Switching 1.2MHz
Synchronous Rectifier No Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Package / Case SOT-23-6 Thin, TSOT-23-6
Supplier Device Package TSOT-23-6 Base Product Number MIC2619
Manufacturer Microchip Product Category Switching Voltage Regulators
RoHS Details Mounting Style SMD/SMT
Output Voltage 35 V Output Current 350 mA
Input Voltage, Min 2.8 V Input Voltage, Max 6.5 V
Switching Frequency 1.2 MHz Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Brand Microchip Technology
Load Regulation 0.3 % Moisture Sensitive Yes
Operating Supply Current 2.1 mA Product Switching Regulators
Product Type Switching Voltage Regulators Factory Pack Quantity 3000
Subcategory PMIC - Power Management ICs Type Voltage Converter
Part # Aliases MIC2619YD6 TR

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Ratings and Reviews

C**s Aug 11, 2023

Items arrived early and was well packaged. I would recommend this ebayer!

B**O Nov 10, 2021

I tried to get the product fast.So I made the shipping option to EMSDelivery was very slow.It seems to take about 17 days.

S**a Sep 22, 2021

Ir works correctly !

C**b May 04, 2021

The goods received.For some reason not specified in the description:Working voltage: 3 vWorking current: 20 ma (at 3 v voltage)



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