Output Current
Capability |
Typical Output Current Capability versus
Input Voltage |
VO = 1.8 V to 5.0 V |
Figure 8-2 |
Switching
Frequency |
Typical Burst Switching Frequency versus
Output Current |
VI = 3.3 V, VO =
1.8 V to 5.0 V |
Figure 8-3 |
Typical Burst Switching Frequency versus
Output Current |
VI = 2.0 V, VO =
1.8 V to 5.0 V |
Figure 8-4 |
Typical Burst Switching Frequency versus
Output Current |
VI = 5.2 V, VO =
1.8 V to 5.0 V |
Figure 8-5 |
Efficiency |
Efficiency versus Output Current |
VI = 1.8 V to 5.5 V, VO = 1.8
V |
Figure 8-6 |
Efficiency versus Output Current |
VI = 1.8 V to 5.5 V, VO = 3.3
V |
Figure 8-7 |
Efficiency versus Output Current |
VI = 1.8 V to 5.5 V, VO = 5.0
V |
Figure 8-8 |
Efficiency versus Input Voltage |
IO = 1 μA to 400 mA, VO = 3.3
V |
Figure 8-9 |
Switching
Waveforms |
Switching Waveforms, Boost Operation |
VI = 1.8 V, VO = 3.3 V |
Figure 8-10 |
Switching Waveforms, Boost Operation |
VI = 2.8 V, VO = 3.3 V |
Figure 8-11 |
Switching Waveforms, Buck-Boost Operation |
VI = 3.3 V, VO = 3.3 V |
Figure 8-12 |
Switching Waveforms, Buck Operation |
VI = 4.0 V, VO = 3.3 V |
Figure 8-13 |
Output Voltage
Ripple |
Output Voltage Ripple |
VI = 2.0 V, VO = 1.8 V to
5.0 V |
Figure 8-14 |
Output Voltage Ripple |
VI = 3.3 V, VO = 1.8 V to
5.0 V |
Figure 8-15 |
Output Voltage Ripple |
VI = 5.2 V, VO = 1.8 V to
5.0 V |
Figure 8-16 |
Output Voltage Ripple over Temperature |
VI = 3.3 V, VO = 3.6 V |
Figure 8-17 |
Regulation
Accuracy |
Load Regulation |
VO = 3.3 V |
Figure 8-18 |
Line Regulation |
VI = 1.8 V to 5.0 V, Load = 1
mA |
Figure 8-19 |
Transient
Performance |
Line Transient, Light Load |
VI = 2.5 V to 4.2 V,
VO = 3.3 V, Load = 1 mA |
Figure 8-20 |
Line Transient, High Load |
VI = 2.5 V to 4.2 V,
VO = 3.3 V, Load = 100 mA |
Figure 8-21 |
Load Transient, 100 mA Step |
VI = 1.8 V, VO =
3.3 V, Load = 0 mA to 100 mA |
Figure 8-22 |
Load Transient, 100 mA Step |
VI = 3.3 V, VO =
3.3 V, Load = 0 mA to 100 mA |
Figure 8-23 |
Load Transient, 100 mA Step |
VI = 1.8 V, VO =
3.3 V, Load = 0 mA to 100 mA |
Figure 8-24 |
Load Transient, 300 mA Step |
VI = 3.3 V, VO =
1.8 V, Load = 0 mA to 300 mA |
Figure 8-25 |
Load Transient, 300 mA Step |
VI = 3.3 V, VO =
3.3 V, Load = 0 mA to 300 mA |
Figure 8-26 |
Load Transient, 300 mA Step |
VI = 5.5 V, VO =
3.3 V, Load = 0 mA to 300 mA |
Figure 8-27 |
Start-up |
Start-up Behavior from Rising
Enable |
VI = 3.3 V, VO =
3.3 V, Load = 100 mA |
Figure 8-28 |
Start-up Behavior from Rising Enable |
VI = 1.8 V, VO = 1.8 V, Load =
10 μA |
Figure 8-29 |
Start-up Behavior from Rising Enable |
VI = 1.8 V, VO = 5.0 V, Load =
10 μA |
Figure 8-30 |
Start-up Behavior from Rising Enable |
VI = 1.8 V, VO = 5.0 V, Load =
1000 μF |
Figure 8-31 |
ICL (Input Current
Limit) |
Start-up with 1 mA ICL |
VI = 3.3 V, VO =
3.3 V, CO = 300 μF |
Figure 8-32 |
Start-up with 2.5 mA ICL |
VI = 3.3 V, VO =
3.3 V, CO = 300 μF |
Figure 8-33 |
Start-up with 5 mA ICL |
VI = 3.3 V, VO =
3.3 V, CO = 300 μF |
Figure 8-34 |
Start-up with 10 mA ICL |
VI = 3.3 V, VO =
3.3 V, CO = 300 μF |
Figure 8-35 |
Start-up with 25 mA ICL |
VI = 3.3 V, VO =
3.3 V, CO = 300 μF |
Figure 8-36 |
Start-up with 50 mA ICL |
VI = 3.3 V, VO =
3.3 V, CO = 300 μF |
Figure 8-37 |
Start-up with 100 mA ICL |
VI = 3.3 V, VO =
3.3 V, CO = 300 μF |
Figure 8-38 |
Short Circuit
Behavior |
Short Circuit Behavior |
VI = 3.3 V, VO = 1.8 V |
Figure 8-39 |
Short Circuit Behavior |
VI = 3.3 V, VO = 3.3 V |
Figure 8-40 |
Short Circuit Behavior |
VI = 3.3 V, VO = 5.0 V |
Figure 8-41 |
DVS (Digital Voltage
Scaling) |
DVS Behavior at Light Load |
VI = 3.3 V, VO(1)
= 2.2 V, VO(2) = 3.6 V, Load = 1 kΩ |
Figure 8-42 |
DVS Behavior at High Load |
VI = 3.3 V, VO(1)
= 2.2 V, VO(2) = 3.6 V, Load = 30 Ω |
Figure 8-43 |