LTC3220EPF#TRPBF

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LTC3220EPF#TRPBF

+Nomenclature

IC LED DRIVER RGLTR 20MA 28UTQFN

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Spécifications

Attribut Valeur
Part Status Active
Type DC DC Regulator
Topology Switched Capacitor (Charge Pump)
Number of Outputs 18
Voltage - Supply (Min) 2.9V
Voltage - Supply (Max) 5.5V
Current - Output / Channel 20mA
Frequency 850kMz
Applications Backlight
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 28-UFQFN Exposed Pad
Supplier Device Package 28-UTQFN (4x4)
Base Product Number LTC3220

Présentation

Description

The LTC3220EPF#TRPBF is a low-power, high-efficiency, dual-output DC-DC converter designed by Analog Devices. It features a unique topology that allows it to efficiently generate two separate output voltages from a single input voltage source, making it suitable for battery-powered applications. The device operates with an input voltage range of 2.5V to 5.5V and can produce output voltages of 1.2V to 5V, with a maximum output current of up to 500mA per channel.
Key features include a built-in switching regulator, low quiescent current, and the ability to operate in both boost and buck modes. The LTC3220EPF is housed in a compact 16-lead TSSOP package, making it ideal for space-constrained designs. It also includes features like soft start, over-current protection, and thermal shutdown for enhanced reliability. This IC is commonly used in portable electronics, IoT devices, and other applications requiring efficient power management.

Equivalent

Equivalent products to the LTC3220EPF#TRPBF include the MAX8673, TPS63060, and MICREL MICROCHIP MIC5225. These alternatives offer similar features, such as low quiescent current, power management capabilities, and adjustable output voltage. However, it's essential to verify specifications and application requirements for compatibility.

Features

The LTC3220EPF#TRPBF is a high-efficiency, low-quiescent current boost converter designed for powering Bluetooth and other low-power devices. Key features include:
1. Input Voltage Range: Operates from a low input voltage of 1.8V to 5.5V, making it suitable for single-cell lithium-ion batteries.
2. Output Voltage: Adjustable output voltage ranging from 2.5V to 5.25V, allowing for flexibility in application.
3. Efficiency: High efficiency up to 95%, reducing power loss and heat generation.
4. Quiescent Current: Very low quiescent current (as low as 2.5µA), ensuring long battery life in portable applications.
5. Output Current: Capable of delivering up to 1A of output current, suitable for powering various devices.
6. Soft-Start: Built-in soft-start feature to minimize inrush current during startup.
7. Thermal Protection: Features thermal shutdown to prevent overheating.
8. Compact Package: Available in a small 10-lead plastic package, ideal for space-constrained designs.
These features make the LTC3220EPF#TRPBF ideal for energy-sensitive applications.

Pinout

The LTC3220EPF#TRPBF is a low-power, high-efficiency energy harvesting and power management IC from Analog Devices. It comes in a 10-lead (3mm × 3mm) plastic QFN package.
Pin Count: 10 pins
Functions:
1. VOUT (Pin 1): Output voltage to power the load.
2. SW (Pin 2 & 3): Switch pins for the internal buck converter.
3. VIN (Pin 4): Input voltage from the energy harvesting source.
4. GND (Pin 5): Ground reference.
5. VFB (Pin 6): Feedback voltage pin for output regulation.
6. LO (Pin 7): Load output pin for connecting the load.
7. EN (Pin 8): Enable pin to turn the device on/off.
8. FREQ (Pin 9): Frequency selection pin for the internal oscillator.
9. BAT (Pin 10): Battery connection for energy storage.
These pins facilitate energy harvesting, charge management, and power delivery in portable applications.

Manufacturer

The LTC3220EPF#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company specializes in designing and manufacturing a wide range of semiconductor products and solutions used in various applications, including communications, automotive, industrial, and consumer electronics.
The LTC3220EPF#TRPBF is a power management IC specifically designed for energy-efficient power conversion in portable and battery-operated devices. Analog Devices is known for its innovation and commitment to providing high-quality and reliable products that meet the demands of modern electronic systems. The company operates worldwide and serves a diverse set of markets, emphasizing technology development and customer collaboration.

Application

The LTC3220EPF#TRPBF is a power management IC primarily used for energy harvesting and battery management in applications such as wireless sensor networks, portable medical devices, and IoT devices. It efficiently regulates low input voltages, making it suitable for converting energy from sources like solar cells and thermoelectric generators. Additionally, it supports supercapacitor and rechargeable battery charging, providing backup power and ensuring reliable operation in low-power applications. Its ability to manage energy in environments with intermittent power sources enhances the performance and longevity of various devices in remote or critical applications.

Package

The LTC3220EPF#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). This surface-mount package is designed for compact applications and facilitates efficient thermal management.

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