AT1397A - Aimtron Technology

AT1397A 6-Channel DC-DC Converter

The AT1397A/B provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-channel controllers in 1-cell Li-Ion designs. On-chip MOSFETs provide up to 92~95% efficiency for critical power supplies, while additional channels operate with external FETs for optimum design flexibility. .

Features

• 95% Efficient possible DC/DC Converter
• Bulit-in LED Driver and Open LED Overvoltage Protection
• Transformerless Inverting Controller for CCD Bias
• 2 Channel Built-in MOSFET Current- Mode PWM and 4 Channel Extra PWM Controllers (CH-3 Synchronous Output)
• Up to 1MHz Operating Frequency
• Shutdown Current <1uA
• Built-in Soft-Start Function Built-in Short-Circuit Protection Function
• QFN48 Package General Description The AT1397A/B provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-channel controllers i.