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MAX1044ESA+T
+NomenclatureIC REG CHARG PUMP INV 20MA 8SOIC
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX1044ESA+T
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Package SOIC-8
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En stock4722
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Ratiometric |
| Output Configuration | Positive or Negative |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 1.5V |
| Voltage - Input (Max) | 10V |
| Voltage - Output (Min/Fixed) | -Vin, nVin, Vin/2 |
| Current - Output | 20mA |
| Frequency - Switching | 10kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include a wide supply voltage range, low quiescent current, and the ability to connect multiple devices in parallel to increase output current capability. The device is available in an 8-pin SOIC package, making it easy to incorporate into compact circuit designs. Its applications include generating negative supply voltages from single positive supply inputs, powering operational amplifiers, and analog circuits requiring dual supplies.
Overall, the MAX1044ESA+T is valued for its simplicity and efficiency in low-power applications, reducing the need for inductors and simplifying circuit design compared to traditional DC-DC converters.
Equivalent
Features
The device is efficient, typically drawing a low quiescent current, which helps in battery-powered applications. It supports a range of switching frequencies up to 10kHz, allowing for compact external components. Additionally, the MAX1044ESA+T can deliver output currents up to 20mA, which suffices for many small electronic devices.
With built-in oscillator control and a self-regulating charge pump, it minimizes the need for external components, simplifying the design process. The IC is housed in an 8-pin SOIC package, providing a compact footprint. Furthermore, it includes features like output voltage regulation and low output ripple, ensuring stable performance in varied applications. Overall, the MAX1044ESA+T offers a straightforward solution for voltage conversion needs.
Pinout
1. Pin 1 (BOOST): Optional connection to increase oscillator frequency.
2. Pin 2 (CAP+ ): Connects to the positive terminal of the charge-pump capacitor.
3. Pin 3 (GND): Ground connection.
4. Pin 4 (CAP- ): Connects to the negative terminal of the charge-pump capacitor.
5. Pin 5 (OUT): Voltage output that can be inverted, doubled, or divided from the input.
6. Pin 6 (LV): Low-voltage operation input. Connect to GND for normal operation.
7. Pin 7 (OSC): Oscillator control pin; can be used to adjust the frequency.
8. Pin 8 (V+ ): Positive supply voltage input.
The MAX1044 is versatile for various applications requiring voltage conversion without inductors, making it suitable for low-power, compact designs.
Manufacturer
Analog Devices, Inc., the parent company, is a multinational corporation headquartered in Norwood, Massachusetts. It is recognized for developing high-performance semiconductors and pursuing innovations in data conversion, signal processing, and power management technologies. Their products are used in various applications, enhancing the performance of electronic equipment across industrial, automotive, communications, healthcare, and consumer markets. By integrating Maxim Integrated's product portfolio, Analog Devices has expanded its offerings and strengthened its position as a leader in the semiconductor industry.
Application
1. Voltage Inversion: Converts a positive input voltage to a negative output voltage, useful for generating negative supply rails.
2. Voltage Doubling: Can double the input voltage, used in applications requiring higher voltages from a single supply.
3. Battery-Powered Devices: Ideal for portable electronics that require low power consumption and efficient voltage conversion.
4. LCD Biasing: Provides the necessary voltage levels for liquid crystal displays.
5. Op-Amp Circuits: Generates the required bipolar supply voltages for operational amplifiers.