LT1930AES5#TR Step-Up DC/DC Converter
The LT1930AES5#TR is a high-performance, current mode PWM step-up (boost) DC/DC converter manufactured by Linear Technology, now part of Analog Devices. This compact and efficient chip is designed to elevate power supply solutions in a variety of applications, ranging from battery-powered devices to LCD bias supplies.
Key Features:
- Wide Input Voltage Range: The LT1930 can operate from an input voltage as low as 2.6V, making it suitable for single-cell lithium-ion batteries, and can handle inputs up to 16V, accommodating a broad spectrum of power sources.
- Adjustable Switching Frequency: With a switching frequency that can be set from 1.2MHz to 2.2MHz via an external resistor, the LT1930 allows for a compact solution with small external components.
- High Output Voltage: It can produce an output voltage up to 34V, which is ideal for applications that require a high voltage from a low voltage input.
- High Efficiency: Thanks to its low V<sub>CESAT (saturation voltage) of only 0.4V at 0.6A, the device can deliver efficiencies as high as 86%.
- Integrated Features: The LT1930AES5#TR includes a 1A switch, which allows it to drive loads up to 600mA with ease.
- Thermal Protection: It comes with thermal shutdown capability to protect the device under over-temperature conditions.
- Small Package: Available in a ThinSOT package, the LT1930 is ideal for space-constrained applications.
Applications:
The versatility of the LT1930AES5#TR makes it a great choice for a wide array of applications, including but not limited to:
- Portable Electronics
- GPS Devices
- Digital Cameras
- Medical Diagnostic Equipment
- Wireless Modems
- MP3 Players
- LED Lighting
- Small OLED Displays
The LT1930AES5#TR is recognized for its high level of integration, requiring only a few external components for operation, such as the Schottky diode, the inductor, and small ceramic capacitors. This integration, coupled with its small footprint, makes it an excellent choice for designers looking to maximize power efficiency in a minimal space.
Linear Technology's commitment to high-quality and performance is evident in the LT1930AES5#TR, making it a reliable and efficient solution for boosting DC voltages in modern electronic applications.