TPS65295 complete DDR4 memory power solution

1 Features

Synchronous buck converter (VDDQ)
- Input voltage range: 4.5 V to 18 V
- Output voltage fixed at 1.2 V
- D-CAP3™ mode control for fast transient response
- Continual output current: 8 A
- Advanced Eco-mode™ pulse skip
- Integrated 22-mΩ and 8.6-mΩ R_DS(on) internal power switch
- 600-kHz switching frequency
- Internal soft start: 1.6 ms
- Cycle-by-cycle overcurrent protection
- Latched output OV and UV protections
Synchronous buck converter (VPP)
- Input voltage range: 3 V to 5.5 V
- Output voltage fixed at 2.5 V
- D-CAP3™ mode control for fast transient response
- Continual output current: 1 A
- Advanced Eco-mode™ pulse skip
- Integrated 150-mΩ and 120-mΩ R_DS(on) internal power switch
- 580-kHz switching frequency
- Internal soft start: 1 ms
- Cycle-by-cycle overcurrent protection
- Latched output OV and UV protections
1-A LDO (VTT)
- 1-A continual sink and source current
- Requires only 10 μF of ceramic output capacitor
- Support high-z in S3
- ±30-mV VTT output accuracy (DC+AC)
Buffered reference (VTTREF)
- Buffered, low noise, ±10-mA capability
- 0.8% output accuracy
Low quiescent current: 150 µA
Power good indicator
Output discharge function
Power up and power down sequencing control
Non-latch for OT and UVLO protections
18-pin 3.0-mm × 3.0-mm HotRod™ VQFN package