LT1930/LT1930A are 1A, 1.2MHz/2.2MHz step-up DC/DC converters with features such as low VCESAT switch, high output voltage, wide input range, low shutdown current, etc. They are suitable for applications such as TFT-LCD bias supply, digital cameras, cordless phones, battery backup, medical diagnostic equipment, etc.
The LT1930 and LT1930A are high‑power SOT‑23 step‑up DC/DC converters offering switching frequencies of 1.2 MHz and 2.2 MHz respectively. They feature a low‑voltage CESAT switch (400 mV at 1 A), a wide input range of 2.6 V‑16 V, and can generate output voltages up to 34 V for applications such as TFT‑LCD bias supplies, digital cameras, cordless phones, battery backup, and medical diagnostic equipment.
The document includes electrical characteristics, typical application circuits, component selection guidelines (inductors, capacitors, diodes), layout recommendations, package dimensions, and a list of related parts. Design notes cover efficiency, duty‑cycle limits, shutdown pin handling, and recommended external components to achieve stable operation.