画像は参考用です
MAX1847EEE+
+BOMIC REG CTRLR FLYBACK 16QSOP
-
メーカーアナログ・デバイセズ社/マキシム・インテグレーテッド
-
メーカー品番 #MAX1847EEE+
-
データシート MAX1847EEE+ DataSheet
-
在庫状況328
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Negative |
| Topology | Flyback |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 16.5V |
| Frequency - Switching | 100kHz ~ 500kHz |
| Duty Cycle (Max) | 96% |
| Synchronous Rectifier | No |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 16-QSOP |
| Base Product Number | MAX1847 |
概要
Description
The MAX1847EEE+ is a high-efficiency, step-down (buck) DC-DC converter designed for battery-powered applications. It operates with an input voltage range of 2.5V to 5.5V and provides a regulated output voltage adjustable down to 0.8V. With a maximum output current of 1.5A, it features a high switching frequency of up to 2.25 MHz, allowing for the use of small external components.
The device incorporates several key features, including thermal shutdown, overcurrent protection, and a power-good output indicator. Its efficiency can reach up to 95%, making it suitable for applications where battery life is critical. The MAX1847EEE+ also supports a low quiescent current, enabling extended operation in low-power scenarios.
This converter is ideal for powering portable devices, handheld gadgets, and wireless applications, making it a versatile choice for engineers seeking reliable power management solutions in compact designs.
The device incorporates several key features, including thermal shutdown, overcurrent protection, and a power-good output indicator. Its efficiency can reach up to 95%, making it suitable for applications where battery life is critical. The MAX1847EEE+ also supports a low quiescent current, enabling extended operation in low-power scenarios.
This converter is ideal for powering portable devices, handheld gadgets, and wireless applications, making it a versatile choice for engineers seeking reliable power management solutions in compact designs.
Equivalent
The MAX1847EEE+ is a high-efficiency, step-down DC-DC converter. Equivalent products include the LM2596 from Texas Instruments, the LTC3780 from Analog Devices, and the TPS563201 also from Texas Instruments. When selecting an equivalent, ensure to compare specifications such as input voltage range, output current, and efficiency to ensure compatibility with your application.
Features
The MAX1847EEE+ is a high-performance, low quiescent current voltage regulator designed for powering portable devices. Key features include:
1. Input Voltage Range: Supports input voltages from 2.7V to 5.5V, making it suitable for a variety of battery-operated applications.
2. Output Voltage Options: Offers fixed output voltage options (1.8V, 2.5V, 3.0V, 3.3V) and an adjustable version.
3. Low Quiescent Current: Provides low quiescent current (typically around 10 µA), which enhances battery life in power-sensitive applications.
4. High PSRR: Exhibits a high power supply rejection ratio (PSRR), ensuring stable output voltage despite variations in input voltage.
5. Thermal Protection: Includes thermal shutdown to protect the device from overheating.
6. Compact Package: Available in a small 8-pin EPAD TDFN package, facilitating space-saving designs.
7. Fast Transient Response: Ensures minimal output voltage deviation during load changes.
These features make the MAX1847EEE+ ideal for portable electronics, wearables, and battery management systems.
1. Input Voltage Range: Supports input voltages from 2.7V to 5.5V, making it suitable for a variety of battery-operated applications.
2. Output Voltage Options: Offers fixed output voltage options (1.8V, 2.5V, 3.0V, 3.3V) and an adjustable version.
3. Low Quiescent Current: Provides low quiescent current (typically around 10 µA), which enhances battery life in power-sensitive applications.
4. High PSRR: Exhibits a high power supply rejection ratio (PSRR), ensuring stable output voltage despite variations in input voltage.
5. Thermal Protection: Includes thermal shutdown to protect the device from overheating.
6. Compact Package: Available in a small 8-pin EPAD TDFN package, facilitating space-saving designs.
7. Fast Transient Response: Ensures minimal output voltage deviation during load changes.
These features make the MAX1847EEE+ ideal for portable electronics, wearables, and battery management systems.
Pinout
The MAX1847EEE+ is a step-up (boost) DC-DC converter from Maxim Integrated. It comes in a 10-pin TDFN package. The pin count and functions are as follows:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switch node connecting to the inductor.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. CSN: Current sense positive input.
7. CSP: Current sense negative input.
8. MODE: Mode selection for operation (PWM/PSM).
9. EN: Enable pin to turn the device on/off.
10. FB: Feedback voltage input for output regulation.
This configuration allows the MAX1847EEE+ to efficiently boost low input voltages to higher output voltages, suitable for battery-powered applications.
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switch node connecting to the inductor.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. CSN: Current sense positive input.
7. CSP: Current sense negative input.
8. MODE: Mode selection for operation (PWM/PSM).
9. EN: Enable pin to turn the device on/off.
10. FB: Feedback voltage input for output regulation.
This configuration allows the MAX1847EEE+ to efficiently boost low input voltages to higher output voltages, suitable for battery-powered applications.
Manufacturer
The MAX1847EEE+ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company that specializes in the design and manufacturing of a wide range of analog, mixed-signal, and digital signal processing integrated circuits (ICs). Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves various industries, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. The company is known for its innovative solutions in high-performance analog and mixed-signal technology, focusing on applications that require precision and reliability.
Application
The MAX1847EEE+ is a high-performance, step-up DC-DC converter primarily used in battery-powered devices. Key application areas include portable electronics, such as smartphones and tablets, where it boosts battery voltage for efficient power management. It also finds use in LED drivers for backlighting and automotive lighting systems. Additionally, it is suitable for powering microcontrollers and sensors in IoT devices, as well as in wireless communication devices. Its ability to handle varying input voltages makes it ideal for energy harvesting applications, ensuring reliable performance in diverse operating conditions.
Package
The MAX1847EEE+ is packaged in a 16-pin TQFN (Thin Quad Flat No-lead) package. This compact form factor allows for efficient thermal performance and space-saving on PCBs.
