
LT1931AES5#TRMPBF
Manufacturer Part Number: LT1931AES5#TRMPBF | Manufacturer / Brand: ADI |
Part of Description: Switching Voltage Regulators 1.2MHz/2.2MHz Inv DC/DC Convs in SOT | Lead Free Status / RoHS Status: Digital to Analog Converters - DAC Dual, 16-Bit, 1230 MSPS, TxDAC+ Digital-to-Analog Converter |
Ship From: HK/Shen Zhen | Shipment Way: DHL/Fedex/TNT/UPS |
Datasheets: |
Product parameters
Manufacturer | ADI |
Details | RoHS |
Mounting Style | SMD/SMT |
Package / Case | SOT-23-5 |
Minimum Operating Temperature | – 40 C |
Maximum Operating Temperature | +85 C |
Packaging | Reel |
Moisture Sensitive | Yes |
Product Type | Switching Voltage Regulators |
Factory Pack Quantity | 500 |
Subcategory | PMIC – Power Management ICs |
Supply Voltage – Min | 2.6 V |
Type | DC/DC Converter |
Unit Weight | 0.003880 oz |
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The LT1931AES5#TRMPBF is a high-efficiency, current-mode DC/DC converter with a negative output, offered by Analog Devices Inc. (ADI). This device is specifically designed for applications requiring a compact and cost-effective power solution with high performance.
Key Features and Specifications:
- Package and Installation:
- The LT1931AES5#TRMPBF comes in a TSOT-23-5 package, which is a thin, small outline transistor package with five leads. It is suitable for surface-mount installation, providing a space-saving solution.
- Output Configuration:
- The converter features a negative output configuration, making it ideal for applications where a negative voltage supply is required.
- High Switching Frequency:
- With a switching frequency of 2.2MHz, the LT1931AES5#TRMPBF allows the use of smaller inductors and capacitors, contributing to a more compact power supply design.
- Wide Input Voltage Range:
- The device accepts an input voltage range of 2.45V to 16V, providing flexibility for various power sources.
- Adjustable Output Voltage:
- The output voltage is adjustable, with a minimum output voltage of -1.255V and a maximum output voltage of -34V. This adjustability makes the converter suitable for a wide range of applications with different voltage requirements.
- High Output Current:
- The LT1931AES5#TRMPBF can deliver an output current of up to 1A, making it capable of driving a variety of loads.
- Topology and Efficiency:
- The converter employs a CUK topology, which is known for its high efficiency and low output ripple. This topology also allows for the use of smaller capacitors and inductors, further contributing to the compact design.
- Operating Temperature Range:
- The device is designed to operate within a temperature range of 0°C to 70°C, making it suitable for a wide range of environmental conditions.
- No Synchronization Rectifier:
- The LT1931AES5#TRMPBF does not include a synchronization rectifier, simplifying the circuit design and reducing costs.
Applications:
The LT1931AES5#TRMPBF is well-suited for a variety of applications, including but not limited to:
- Disk drive MR head biasing
- Digital camera CCD biasing
- LCD biasing
- GaAs FET biasing
- Local low-noise/low-impedance negative power supplies
In summary, the LT1931AES5#TRMPBF is a versatile and high-performance DC/DC converter that offers a compact design, wide input voltage range, adjustable output voltage, and high efficiency. Its negative output configuration and CUK topology make it an ideal choice for applications requiring a negative voltage supply with low output ripple and high performance.