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LT1931ES5#TRPBF
+StücklisteIC REG CUK ADJ 1A TSOT23-5
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HerstellerAnalog Devices Inc.
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Herstellerteil #LT1931ES5#TRPBF
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Datenblatt LT1931ES5#TRPBF DataSheet
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Paket SOT-23-5
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Auf Lager5019
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Negative |
| Topology | Cuk |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.45V |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | -1.255V |
| Voltage-Output(Max) | -34V |
| Current-Output | 1A (Switch) |
| Frequency-Switching | 1.2MHz |
| SynchronousRectifier | No |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-5 Thin, TSOT-23-5 |
Übersicht
Description
The LT1931ES5#TRPBF features a switching frequency of 1.2MHz, allowing the use of small external components and enabling compact designs. Its high efficiency is achieved through a low-loss internal switch and optimized circuitry, minimizing heat generation and power loss. This device is housed in a small, 5-lead SOT-23 package, making it suitable for space-constrained applications.
Key applications include powering amplifiers, sensors, and other analog circuits that require negative voltage. The LT1931ES5#TRPBF offers reliability and performance in various environments, serving industries such as telecommunications, automotive, and portable electronics.
Equivalent
1. MC33063A by ON Semiconductor - versatile DC-DC converter.
2. LM2662 by Texas Instruments - charge pump inverter.
3. TPS60402 by Texas Instruments - switched capacitor voltage inverter.
4. MAX1724 by Maxim Integrated - step-up DC-DC converter.
5. NCP3063 by ON Semiconductor - general-purpose DC-DC converter.
Ensure compatibility with your specific application requirements when selecting an equivalent.
Features
1. High Efficiency: Optimized for efficiency, capable of delivering high power output with minimal power loss.
2. Wide Input Voltage Range: Supports a broad range of input voltages, typically from 1.2V to 15V, allowing flexibility in various applications.
3. Compact Package: Offered in a small SOT-23 package, making it ideal for space-constrained designs.
4. High Switching Frequency: Operates at a high frequency, usually around 1.2MHz, minimizing external component size.
5. Low Quiescent Current: Features low standby current, enhancing battery life in portable applications.
6. Adjustable Output Voltage: Allows for adjustable output voltage levels, making it adaptable to different power requirements.
7. Built-In Protection Features: Includes protections against over-current, thermal overload, and other potential fault conditions to ensure reliable operation.
Ideal for applications requiring efficient step-up power conversion in a compact form factor, such as portable electronics and battery-powered devices.
Pinout
Here is a brief overview of its pin functions:
1. SW (Switch Pin): This is the switch node connected to the inductor. It is where the input voltage is switched to create the step-up voltage.
2. GND (Ground Pin): This pin is connected to the ground of the circuit.
3. FB (Feedback Pin): This pin is used to set the output voltage. It senses the output voltage for regulation.
4. SHDN (Shutdown Pin): This pin is used to enable or disable the device. Pulling this pin low places the device in a low-power shutdown mode.
5. VCC (Input Supply Pin): This pin is connected to the input supply voltage.
These pin functions facilitate the device's role as a boost converter for stepping up a lower input voltage to a higher output voltage.
Manufacturer
Application
1. LCD Bias Supplies: It generates the necessary voltages for powering LCD panels.
2. Powering LED Drivers: It efficiently drives LEDs in various lighting applications.
3. Battery-Powered Devices: It is ideal for portable electronics requiring efficient power management.
4. Low-Voltage Systems: It converts low input voltages to higher output voltages in compact systems.
5. Isolated Power Supplies: It is used in applications needing electrical isolation between input and output.
Its small size and efficiency make it suitable for compact, high-performance electronic devices.