Features- Dual High Efficiency DC/DC Converters:
Buck-Boost (VOUT: 2.2V to 5.25V, IOUT = 1A at
VOUT = 3.3V, VIN ≥ 3V)
Buck (VOUT: 0.8V to VIN, IOUT = 600mA)
- 2.2V to 5.5V Input Voltage Range
- Pin-Selectable Burst Mode® Operation
- Uncommitted Gain Block for LDO Controller, Battery Good Indication or Sequencing
- Programmable 100kHz to 2MHz Switching Frequency
- 55μA Total Quiescent Current for Both Converters in Burst Mode Operation
- Thermal and Overcurrent Protection
- <1μA Quiescent Current in Shutdown
- 24-Lead 4mm × 4mm QFN Package
Typical Application![LTC3520 Typical Application](/image/linear/7489.png)
![LTC3520 Typical Application](/image/linear/7490.png) | Applications- Portable Media Players
- Digital Cameras
- Handheld PCs, PDAs
- GPS Receivers
Packaging![LTC3520 Package Drawing](/image/linear/7491.png) |