MAX1681ESA+
DC/DC converter integrated circuit designed for power management in electronics, operating with input voltage between 3 and 5MAX1681ESA+
DC/DC converter integrated circuit designed for power management in electronics, operating with input voltage between 3 and 5
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Manufacturer Part # : MAX1681ESA+
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Package/Case: SOIC-8
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Brand: Analog Devices
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Product Categories : Voltage Regulators - DC DC Switching Regulators
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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
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About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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MAX1681ESA+ DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Designed for efficiency and convenience, the MAX1681ESA+ is a versatile voltage converter that delivers reliable performance. Whether inverting an input voltage or doubling it, this device can handle a wide range of input voltages from +2.0V to +5.5V with output currents up to 125mA. The selectable-frequency option allows for optimal performance using small capacitors, reducing overall system costs. By choosing the MAX1681ESA+, designers can simplify their power supply design and save on space and components, making it a practical choice for various applications requiring voltage conversion
Key Features
- Wide Input Range: +2.0V to +5.5V
- High Output Current: Up to 125mA
- Low ESR Design: Reduced Noise and Ripples
Application
- Switching Regulator
- Laser Diode Driver
- Temperature Monitoring
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | Switching Voltage Regulators | RoHS | Details |
Mounting Style | SMD/SMT | Package / Case | SOIC-8 |
Topology | Boost, Inverting | Output Voltage | - 5 V, 10 V |
Output Current ! | 125 mA | Number of Outputs | 1 Output |
Input Voltage, Min | 3 V | Input Voltage, Max | 5.5 V |
Switching Frequency ! | 1 MHz | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 85 C | Series | MAX1681 |
Brand | Analog Devices / Maxim Integrated | Input Voltage | 3 V to 5.5 V |
Operating Supply Current | 20 mA | Product Type ! | Switching Voltage Regulators |
Shutdown | Shutdown | Factory Pack Quantity | 100 |
Subcategory | PMIC - Power Management ICs | Type | Switched Capacitor Voltage Converter |
Part # Aliases | MAX1681 | Unit Weight | 0.017870 oz |
FAQs
What is MAX1681ESA+?
The MAX1681ESA+ is a high-voltage, high-brightness LED driver designed by Maxim Integrated. It is specifically designed for backlighting applications in LCD displays, portable devices, and automotive systems where precise current regulation and high efficiency are required.
How Does MAX1681ESA+ Work?
The MAX1681ESA+ operates by converting a wide input voltage range into a regulated current source for driving high-brightness LEDs. It utilizes a high-efficiency, synchronous step-up converter to provide precise current regulation and dimming control for the LEDs. Additionally, the device features overvoltage protection and thermal shutdown for reliable operation.
How Many Pins does MAX1681ESA+ have and What are the Functions of the Pinout Configuration?
The MAX1681ESA+ is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VIN: Input supply voltage pin.
- GND: Ground pin.
- PWM: Pulse-width modulation dimming input pin.
- FB: Current feedback and enable control pin.
- SW: Switch node connection for the internal step-up converter.
- COMP: Compensation pin for the internal control loop.
- SS/TR: Soft-start/Tracking pin for start-up timing control.
- VOUT: Regulated output voltage pin for driving the LEDs.
What are the Pros and Cons of MAX1681ESA+?
Pros:
- Wide Input Voltage Range: Supports a wide input voltage range, suitable for various applications.
- High Efficiency: Utilizes a synchronous step-up converter for high efficiency LED driving.
- Precise Current Regulation: Provides precise current regulation for consistent LED brightness.
- Dimming Control: Supports pulse-width modulation (PWM) dimming for brightness adjustment.
- Protection Features: Incorporates overvoltage protection and thermal shutdown for reliable operation.
Cons:
- External Components: May require external components for input and output filtering in certain applications.
- Thermal Considerations: Thermal management may be necessary for high-power LED driving applications.
- Complexity: Requires careful consideration of layout and component selection for optimal performance.
Are There Any Equivalents/Alternatives to MAX1681ESA+ for Recommendation?
- The MP3302 from Monolithic Power Systems is a similar high-voltage LED driver with integrated power switch.
- Alternatives to the MAX1681ESA+ include the AL8811 from Diodes Incorporated and the LT3757 from Analog Devices.
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