LT1307ACH Single Cell Micropower 600kHz/1MHz Step-Up DC/DC Converters

The LT1307ACH is a versatile and compact step-up DC/DC converter from Linear Technology, designed to effectively boost single-cell or dual-cell battery voltages to higher levels. This device is ideal for applications where space is at a premium and efficiency is crucial, such as in handheld devices, portable media players, and other battery-powered equipment.

Key Features:

• Wide Input Voltage Range: The LT1307ACH operates from a supply voltage as low as 1.5V, making it suitable for single-cell applications, and can handle inputs up to 10V.
• Adjustable Output Voltage: The output voltage can be set anywhere from 2.2V to 10V with an external resistive divider, providing flexibility for various application requirements.
• High Frequency Operation: With a switchable operating frequency of 600kHz or 1MHz, the LT1307ACH allows the use of small, low-cost capacitors and inductors, reducing the overall solution footprint.
• High Efficiency: It features efficiencies of up to 87%, ensuring minimal loss of power in the conversion process and longer battery life.
• Low Quiescent Current: The device boasts a low quiescent current of 7µA, which is ideal for battery-powered applications where extending battery life is essential.
• No Load Operation: The LT1307ACH can maintain the output voltage regulation with no load, which is critical for dynamic load conditions.

Applications:

• Portable Instruments
• Battery-Backed Systems
• Handheld Devices
• Medical Devices
• Wireless Transmitters
• Power Meters

The LT1307ACH also includes features such as a shutdown function that reduces supply current to 5µA, thermal overload protection, and a current-limited, frequency-foldback technique which reduces output short-circuit current. These features make the LT1307ACH a robust and reliable choice for designers looking to maximize the performance of their power-sensitive applications.

Overall, the LT1307ACH from Linear Technology is a high-performance, micropower step-up DC/DC converter that offers a compact solution for a wide range of applications requiring efficient voltage boosting from low power sources.