EUP3484ADIR1

The EUP3484ADIR1 is a high-efficiency, step-down DC-DC converter IC designed by MPS (Monolithic Power Systems). Key features include:
- Input Voltage Range: 4.5V to 18V
- Output Voltage: Adjustable (0.8V to 15V)
- Output Current: Up to 3A
- High Efficiency: Up to 95% (PWM mode)
- Switching Frequency: 500kHz (fixed)
- Protections: Over-current, thermal shutdown, and under-voltage lockout (UVLO)
It operates in PWM mode for stable performance and includes synchronous rectification to minimize power loss. The compact SOIC-8 package makes it suitable for space-constrained applications like industrial systems, networking equipment, and consumer electronics.
For detailed specs, refer to the datasheet from MPS.

The EUP3484ADIR1 is a synchronous buck converter. Equivalent or similar products include:
- TPS54332 (Texas Instruments)
- LM2675 (Texas Instruments)
- AP3406 (Diodes Incorporated)
- MP2307 (Monolithic Power Systems)
These alternatives offer comparable voltage ranges, current outputs, and features. Always verify specifications and pin compatibility for your application.

The EUP3484ADIR1 is a high-efficiency, synchronous step-down DC-DC converter with the following key features:
- Input Voltage Range: 4.5V to 18V
- Output Voltage: Adjustable from 0.6V to 15V
- Output Current: Up to 3A
- High Efficiency (up to 95%) with synchronous rectification
- Fixed 500kHz Switching Frequency for stable performance
- Integrated MOSFETs for compact design
- Protection Features: Overcurrent (OCP), overvoltage (OVP), undervoltage lockout (UVLO), and thermal shutdown
- Low Quiescent Current (40µA) in shutdown mode
- Small 10-Pin DFN Package (3x3mm)
Ideal for portable devices, networking equipment, and industrial applications requiring efficient power conversion.

The EUP3484ADIR1 is a synchronous buck converter IC in a SOP-8 package (8 pins).
Pin Functions:
1. VIN – Input voltage (2.5V to 5.5V).
2. EN – Enable control (high = on, low = off).
3. FB – Feedback for output voltage regulation.
4. COMP – Compensation for loop stability.
5. GND – Ground.
6. SW – Switching node (connects to inductor).
7. BOOT – Bootstrap capacitor connection.
8. PG – Power-good indicator (open-drain output).
Key Features:
- Up to 3A output current.
- Adjustable output voltage.
- High efficiency (~95%).
- 500kHz switching frequency.
This IC is commonly used in point-of-load (POL) power supplies for embedded systems.

The EUP3484ADIR1 is manufactured by Eutech Microelectronics Inc., a Taiwanese semiconductor company specializing in power management ICs. Eutech focuses on designing and producing high-efficiency, low-power solutions for consumer electronics, industrial applications, and portable devices. The company is known for its DC-DC converters, LDO regulators, and battery management ICs.
Eutech operates as a fabless semiconductor company, meaning it designs chips but outsources manufacturing to third-party foundries. Its products are widely used in smartphones, tablets, and IoT devices.

The EUP3484ADIR1 is a high-efficiency, synchronous step-down DC-DC converter. Its key application areas include:
- Portable electronics: Power management in smartphones, tablets, and wearables.
- IoT devices: Low-power supply for sensors and wireless modules.
- Industrial systems: Voltage regulation in automation and control equipment.
- Consumer electronics: Used in smart home devices and digital cameras.
- Networking: Powering routers, switches, and communication modules.
Its compact size, high efficiency (~95%), and wide input voltage range (4.5V–18V) make it ideal for space-constrained, battery-powered, and energy-sensitive applications.

The EUP3484ADIR1 is a synchronous buck converter IC, typically available in a 10-pin DFN (Dual Flat No-leads) package (3x3mm). This compact, surface-mount package is designed for high-efficiency power applications, offering good thermal performance and space-saving benefits. Exact dimensions and pinout should be verified in the datasheet for precise design integration.