ZHCSI58C October 2009 – May 2018 TPS65720 , TPS65721
PRODUCTION DATA.
The graphs have been generated on the TPS65720YFF EVM with the inductors as mentioned in the graphs. See the TPS65720EVM User's Guide for details on the layout.
| FIGURE | |||
|---|---|---|---|
| TPS65720: Efficiency DCDC1 vs Load Current / PWM mode 200 mA;
L = Murata LQM21P 3.3 μH |
VO = 2.05 V; Vi = 3 V, 3.6 V, 4.2 V, 5 V | Figure 24 | |
| TPS65720: Efficiency DCDC1 vs Load Current / PFM mode 200 mA;
L = Murata LQM21P 3.3 μH |
VO = 2.05 V; Vi = 3 V, 3.6 V, 4.2 V, 5 V | Figure 25 | |
| TPS65720: Efficiency DCDC1 vs Load Current / PWM mode 200 mA;
L = FDK MIPSA2520 2.2 μH |
VO = 2.05 V; VI = 3 V, 3.6 V, 4.2 V, 5 V | Figure 26 | |
| TPS65720: Efficiency DCDC1 vs Load Current / PFM mode 200 mA;
L = FDK MIPSA2520 2.2 μH |
VO = 2.05 V; VI = 3 V, 3.6 V, 4.2 V, 5 V | Figure 27 | |
| TPS65721: Efficiency DCDC1 vs Load Current / PWM mode;
L = FDK MIPSA2520 2.2 μH |
VO = 3.3 V; VI = 3 V, 3.6 V, 4.2 V, 5 V | Figure 28 | |
| TPS65721: Efficiency DCDC1 vs Load Current / PFM mode 500 mA;
L = FDK MIPSA2520 2.2 μH |
VO = 3.3 V; VI = 3 V, 3.6 V, 4.2 V, 5 V | Figure 29 | |
| TPS65721: Efficiency DCDC1 vs Load Current / PWM mode;
L = FDK MIPSA2520 2.2 μH |
VO = 1.8 V; VI = 3 V, 3.6 V, 4.2 V, 5 V | Figure 30 | |
| TPS65721: Efficiency DCDC1 vs Load Current / PFM mode 500 mA;
L = FDK MIPSA2520 2.2 μH |
VO = 1.8 V; VI = 3 V, 3.6 V, 4.2 V, 5 V | Figure 31 | |
| Load Transient Response DCDC1;
L = FDK MIPSA2520 2.2 μH, PFM mode |
Scope plot
IO = 20 mA to 180 mA; VO = 2.05 V; VI = 3.6 V |
Figure 32 | |
| Load Transient Response DCDC1;
L = FDK MIPSA2520 2.2 μH, PWM mode |
Scope plot
IO = 50 μA to 60 mA; VO = 2.05 V; VI = 3.6 V |
Figure 33 | |
| Load Transient Response DCDC1;
L = FDK MIPSA2520 2.2 μH, PWM mode |
Scope plot
IO = 40 mA to 360 mA; VO = 3.3 V; VI = 3.6 V |
Figure 34 | |
| Line Transient Response DCDC1;
L = FDK MIPSA2520 2.2 μH, PWM mode |
Scope plot; VO = 2.05 V
VI = 3.6 V to 5 V to 3.6 V; IO = 60 mA |
Figure 35 | |
| Output Voltage Ripple in PFM Mode; DCDC1 | Scope plot: VI = 3.6 V
VO = 2.05 V; IO = 50 μA (PFM); IO = 60 mA (PWM) |
Figure 36 | |
| Output Voltage Ripple in PWM Mode; DCDC1 | Scope plot: VI = 3.6 V
VO = 2.05 V; IO = 60 mA (PWM) |
Figure 37 | |
| Load Transient Response LDO1 | Scope plot; V = 1.85 V; VI = 2.05 V
I = 50 μA to 60 mA to 50 μA |
Figure 38 | |
| Line Transient Response LDO1 | Scope plot; VO = 1.85 V; VI = 5 V to 3.6 V to 5 V | Figure 39 | |
| Efficiency vs Lout for DCDC1 = 2.05 V, LDO1 = 1.85 V,
VinLDO = VDCDC1 |
Figure 40 | ||
| PWM Mode | Inductor: LQM21P 3.3 µH |
| PWM Mode | Inductor: MIPSA2520 2.2 µH |
| PWM Mode | Inductor: MIPSA2520 2.2 µH |
| PWM Mode | Inductor: MIPSA2520 2.2 µH |
| LDO1 powered by DCDC1
with VDCDC1 = 2.05 V |
VLDO1 = 1.85 V | ||||||
| PFM Mode | Inductor: LQM21P 3.3 µH |
| PFM Mode | Inductor: MIPSA2520 2.2 µH |
| PFM Mode | Inductor: MIPSA2520 2.2 µH |
| PFM Mode | Inductor: MIPSA2520 2.2 µH |