4 Typical Performance Curves

Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Figure 4-1. VIN Operating Current vs. Input Voltage and Temperature – HIBERNATE Mode (LPM = HIGH, PWRHLD = HPM = LOW)
Figure 4-2. Buck1 Efficiency vs. Load Current (VOUT1 = 3.3V)

 

 

Figure 4-3. VIN Operating Current vs. Input Voltage and Temperature – Low-Power Mode (LPM = PWRHLD = HIGH, HPM = LOW)
Figure 4-4. Buck2 Efficiency vs. Load Current (VOUT2 = 1.8V)

 

 

Figure 4-5. VIN Operating Current vs. Input Voltage and Temperature – Active Mode (LPM = PWRHLD = HIGH, HPM = LOW).
Figure 4-6. Buck3 Efficiency vs. Load Current (VOUT3 = 1.2V)

 

 

Figure 4-7. MOSFET RDS(ON) vs. Temperature
Figure 4-8. Buck4 Efficiency vs. Load Current (VOUT4 = 0.9V)
Figure 4-9. LDO1, LDO2 Dropout Voltage vs. Load Current
Figure 4-10. EN Start-up Sequence
Figure 4-11. EN Shutdown
Figure 4-12. PWRHLD Start-up Sequence
Figure 4-13. PWRHLD Shutdown Sequence
Figure 4-14. Entering HIBERNATE Mode
Figure 4-15. Automatic Wake-up Pulse, HIBERNATE Mode
Figure 4-16. Buck4 DVS Transition
Figure 4-17. Buck3 Load Transient Response, Active (FPWM) Mode
Figure 4-18. Buck Channels Output Voltage Ripple, Active (FPWM) Mode
Figure 4-19. Buck Channels Output Voltage Ripple, Low-Power (Auto PFM) Mode
Figure 4-20. Output Short Circuit on Buck1 – HCPEN = 1
Figure 4-21. LDO1, LDO2 Load Transient Response