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MAX1775EEE+

Name: MAX1775EEE+
Rating: 4.7 (12 reviews)

IC REG CTRLR BUCK 16QSOP

製造商
製造商。部分 #MAX1775EEE+
包 16-SSOP (0.154, 3.90mm Width)
資料表 MAX1775EEE+ DataSheet
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規格

Supplier	Analog Devices Inc./Maxim Integrated
Package	Tube
ProductStatus	Active
OutputType	Transistor Driver
Function	Step-Down
OutputConfiguration	Positive
Topology	Buck
NumberofOutputs	2
OutputPhases	1
Voltage-Supply(Vcc/Vdd)	2.7V ~ 28V
Frequency-Switching	Up to 1.25MHz
DutyCycle(Max)	100%
SynchronousRectifier	Yes
ClockSync	No
ControlFeatures	Enable
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	16-SSOP (0.154, 3.90mm Width)

概述

Description

The MAX1775EEE+ is a high-performance, integrated power management IC designed for battery-powered applications. It features a boost converter that efficiently steps up low input voltages (typically from single-cell lithium-ion batteries) to higher output voltages, making it ideal for portable devices. The device operates over a wide input voltage range and includes features such as low quiescent current, adjustable output voltage, and a variety of protection mechanisms, including over-voltage and short-circuit protection.
The MAX1775EEE+ supports various power modes, allowing for optimized performance and battery life. Its compact package and integrated design reduce the need for external components, simplifying PCB layout and design. Additionally, the IC is suitable for applications in consumer electronics, medical devices, and other portable systems where efficiency, size, and reliability are critical. Overall, the MAX1775EEE+ is a versatile solution for powering devices from low-voltage sources efficiently.

Features

The MAX1775EEE+ is a step-up (boost) DC-DC converter designed for high-efficiency power management applications. Key features include:
1. Input Voltage Range: Operates from 2.7V to 5.5V, making it suitable for a variety of battery types.
2. Output Voltage: Provides adjustable output voltage up to 5.5V.
3. High Efficiency: Achieves efficiency levels up to 95%, minimizing heat generation and extending battery life.
4. Output Current: Capable of supplying up to 500 mA output current.
5. Integrated Switch: Features an internal power switch, reducing external component count.
6. Soft-Start Function: Includes soft-start circuitry to minimize inrush current during startup.
7. Low Quiescent Current: Designed for low power consumption in idle states, enhancing battery lifetime.
8. Thermal Shutdown: Equipped with thermal protection to prevent overheating.
These features make the MAX1775EEE+ ideal for portable devices, battery-powered applications, and power-sensitive designs.

Package

The MAX1775EEE+ is packaged in a thin, 28-pin TSSOP (Thin Shrink Small Outline Package) form factor.

Pinout

The MAX1775EEE+ is a step-down (buck) regulator with a pin count of 16. It is designed to provide a regulated output voltage from a higher input voltage. The key functions of its pins include:
1. VIN (Pin 1): Input voltage.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node connected to the inductor.
4. VOUT (Pin 4): Output voltage.
5. COMP (Pin 5): Compensation network connection.
6. FB (Pin 6): Feedback voltage input for regulation.
7. MODE (Pin 7): Mode selection for operation (PWM or PFM).
8. SYNC (Pin 8): Synchronization input for external clock.
9. ILIM (Pin 9): Current limit adjustment.
10. PSAVE (Pin 10): Power-saving mode enable.
11. SW_C (Pin 11): Switching frequency setting.
12. RAMP (Pin 12): Ramp compensation.
13. PGND (Pin 13): Power ground.
14. VREF (Pin 14): Reference voltage output.
15. SLOPE (Pin 15): Slope compensation adjustment.
16. VIN (Pin 16): Input voltage.
This device supports various applications in portable devices requiring efficient power management.

Manufacturer

The MAX1775EEE+ is manufactured by Maxim Integrated, a company that specializes in analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated designs and produces a wide range of semiconductor products, including power management solutions, linear regulators, data converters, and signal conditioning ICs. In 2020, Maxim Integrated was acquired by Analog Devices, Inc., a leading global producer of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various sectors, including automotive, communications, consumer electronics, and industrial applications, providing innovative solutions to meet the demands of increasingly complex electronic systems.

Application

The MAX1775EEE+ is a step-down (buck) voltage regulator designed for applications requiring efficient power conversion. Its primary application areas include battery-powered devices, portable electronics, automotive systems, and any application needing a regulated output voltage from a higher input voltage. It is suitable for powering microcontrollers, sensors, and other low-voltage components, offering features like low quiescent current and high efficiency to extend battery life.

Equivalent

The MAX1775EEE+ is a voltage regulator, specifically a step-down (buck) converter. Equivalent products include:
1. TPS561201 (Texas Instruments)
2. LM2596 (Texas Instruments)
3. MICREL MIC2205
4. LT1763 (Linear Technology)
Verify specifications like input/output voltage, current rating, and package type for compatibility.