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MAX828EUK+T
+StücklisteIC REG CHARG PUMP INV 25MA SOT23
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HerstellerAnalog Devices Inc./Maxim Integrated
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Herstellerteil #MAX828EUK+T
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Paket SOT-23-5
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Auf Lager2038
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Bulk |
| ProductStatus | Obsolete |
| Function | Ratiometric |
| OutputConfiguration | Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.5V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | -Vin |
| Current-Output | 25mA |
| Frequency-Switching | 12kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Übersicht
Description
Key features include a low quiescent current of about 50µA, ensuring minimal power consumption when idle, and a high efficiency of up to 98% under optimal conditions. The MAX828EUK+T comes in a tiny SOT-23 package, enhancing its suitability for applications where space is a constraint. It is ideal for using in LCD bias supplies, operational amplifier power supplies, and other analog circuits requiring a negative voltage rail. Its simplicity, efficiency, and small form factor make it a popular choice for engineers working on compact electronic designs.
Equivalent
1. LTC3400: A low noise boost converter by Analog Devices.
2. MIC2605: A boost converter by Microchip Technology.
3. TPS61097: A step-up converter from Texas Instruments.
4. AP3015: A boost converter by Diodes Incorporated.
These alternatives may not have identical specifications, so it’s essential to verify compatibility with your specific requirements.
Features
1. Operating Voltage Range: It operates over a wide input voltage range from +1.5V to +5.5V, making it suitable for battery-powered applications.
2. Output Voltage: The device is designed to produce an output voltage of -Vin.
3. Low Quiescent Current: It offers low quiescent current consumption, which is crucial for power-sensitive applications.
4. Compact Package: Available in a 5-pin SOT23 package, it is ideal for space-constrained designs.
5. High Efficiency: The device features high power conversion efficiency due to its low supply current and low output resistance.
6. No External Inductor Required: The MAX828EUK+T operates without the need for an external inductor, which simplifies the circuit design and reduces component count.
7. Applications: It is suitable for applications like LCD biasing, operational amplifier power supplies, and other portable electronic devices requiring negative voltage rails.
Pinout
The typical pin functions are as follows:
1. Pin 1 (OUT): Output Voltage. This pin provides the boosted output voltage.
2. Pin 2 (GND): Ground. This is the reference ground for the IC.
3. Pin 3 (SHDN): Shutdown. A logic input that can disable the device to reduce power consumption.
4. Pin 4 (IN): Input Voltage. The pin where input voltage is supplied to the device.
5. Pin 5 (FB): Feedback. Used to regulate the output voltage, typically connected to a resistive voltage divider.
This configuration allows the MAX828 to efficiently step up a voltage, making it suitable for battery-operated devices and portable electronics.
Manufacturer
Application
1. Battery-Powered Devices: Ideal for extending battery life in devices like remote controls, sensor nodes, and small wireless gadgets.
2. Portable Electronics: Utilized in handheld devices such as digital cameras, MP3 players, and PDAs.
3. Consumer Electronics: Suitable for powering small electronic products and toys.
4. Wearable Technology: Supports low-voltage operations in wearables like fitness trackers.
5. Backup Power Supplies: Used in systems requiring a small, efficient power source to maintain functionality during main power loss.
Its compact size and efficiency make it suitable for space-constrained applications.