ADPL31610
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Краткое описание:
1.2MHz/2.2MHz inverting DC/DC converter in ThinSOT
Дополнительная информация
Inverting current-mode DC/DC converters integrate a 1A switch for negative output supplies in a small SOT-23 footprint. The A version switches at 1.2MHz and can generate -5V at 350mA or -12V at 150mA from a 5V input, while the B version switches at 2.2MHz for smaller external inductors. The converters operate from 2.6V to 16V and support a VIN-to-VOUT differential up to 32V through a 34V switch. The dual-inductor topology filters input and output current and can achieve output ripple near 1mVp-p with ceramic output capacitors. The family is specified for -40°C to 85°C operation in a 5-lead ThinSOT package.
| Output Ripple | 1mVp-p |
| Feedback Voltage | -1.255 typV |
| Shutdown Current | 0.01 typ, 2 maxµA |
| Quiescent Current | 4.2 typ, 7.2 max (A); 5.8 typ, 9.6 max (B)mA |
| Converter Topology | Inverting current-mode DC/DC |
| Maximum Duty Cycle | 90 typ (A), 82 typ (B)% |
| Switching Frequency | 1.2 typ (ADPL31610A), 2.2 typ (ADPL31610B)MHz |
| Switch Current Limit | 1 min, 1.2 typA |
| Switch Voltage Rating | 34V |
| VIN to VOUT Differential | 32 maxV |
| Integrated Switch Current | 1A |
| Maximum Operating Voltage | 16V |
| Minimum Operating Voltage | 2.45 typ, 2.6 maxV |
| Reference Line Regulation | 0.012 typ, 0.06 max%/V |
| Switch Saturation Voltage | 400 typ, 675 max at 1AmV |
| Operating Temperature Range | -40 to 85°C |
