MAX685
Key Features
- This device uses a single inductor to provide independently regulated positive and negative outputs
- Integrated power switches are included in the small 16-pin QSOP package (same size as an 8-pin SO) to save space and reduce cost
- Each output delivers up to 10mA from a +2.7V to +5.5V input voltage range
- Output voltages are set independently up to 24V and down to -9V
- Output ripple magnitude is 30mVp-p
- The frequency can also be synchronized to an external clock signal between 200kHz and 480kHz
- The MAX685 has a power-OK indicator output (POK) that signals when both outputs are within regulation
- A logic-controlled shutdown pletely turns off both outputs and reduces supply current to 0.1µA
- The user can also set which output turns on first
- The preassembled MAX685 evaluation kit is available to reduce design time
