The LT1613ES5 from Linear Technology is a compact, high-efficiency, step-up DC/DC converter that is ideal for driving white LEDs or providing a bias voltage in TFT-LCD displays. It is part of the 'S5' family of Linear Technology products, recognized for their reliability and performance in various power management applications.
Key Features:
- High Frequency Operation: The LT1613ES5 operates at a switching frequency of 1.2MHz, allowing the use of tiny, low-cost capacitors and inductors, reducing the overall footprint of the power supply design.
- Wide Input Voltage Range: It accepts an input voltage from 1.8V to 12V, making it versatile for single-cell, multi-cell, or regulated input voltages.
- High Output Voltage: The device can generate an adjustable output voltage up to 34V, which is suitable for multiple series-connected LEDs or other high-voltage applications.
- Low Quiescent Current: Its low quiescent current of 2.5µA (in shutdown) helps in prolonging battery life in portable devices.
- High Efficiency: With efficiencies up to 86%, the LT1613ES5 ensures minimal power loss during conversion.
- Integrated Schottky Diode: The inclusion of an internal 36V, 1A Schottky diode simplifies the design and reduces external component count.
- Small Package: Available in a small 5-lead SOT-23 package, it is designed for space-constrained applications.
Applications:
- LED Backlighting for LCD Displays
- Miniature and Portable Applications
- GPS and Mobile Devices
- Medical Diagnostic Equipment
- Supply Voltage for Analog Circuits
The LT1613ES5 is not only a robust choice for modern electronics but also offers a simplified design process with its internal features and high switching frequency. Its ability to deliver a high output voltage from a low input voltage makes it an excellent choice for a broad range of applications that require compact size without compromising on power efficiency.