Unless otherwise specified, the following
conditions apply: VIN = 12 V; CIN = three × 10-μF + 47-nF X7R
Ceramic; COUT = two × 330-μF Specialty Polymer + 47-μF Ceramic + 47-nF
Ceramic; CFF = 4.7 nF; TA = 25°C for waveforms. All indicated
temperatures are ambient.
Figure 6-1 Efficiency 5-V Output at 25°C
Figure 6-3 Efficiency 3.3-V Output at 25°C
Figure 6-5 Efficiency 2.5-V Output at 25°C
Figure 6-7 Efficiency 1.8-V Output at 25°C
Figure 6-9 Efficiency 1.5-V Output at 25°C
Figure 6-11 Efficiency 1.2-V Output at 25°C
Figure 6-13 Efficiency 1-V Output at 25°C
Figure 6-15 Efficiency 5-V Output at 85°C
Figure 6-17 Efficiency 3.3-V Output at 85°C
Figure 6-19 Efficiency 2.5-V Output at 85°C
Figure 6-21 Efficiency 1.8-V Output at 85°C
Figure 6-23 Efficiency 1.5-V Output at 85°C
Figure 6-25 Efficiency 1.2-V Output at 85°C
Figure 6-27 Efficiency 1-V Output at 85°C
Figure 6-29 Normalized Line and Load Regulation
Figure 6-31 Thermal Derating![Output Ripple GUID-4965A92F-5E2D-49AE-9F44-527C4222E05F-low.png](/ods/images/ZHCS566I/GUID-4965A92F-5E2D-49AE-9F44-527C4222E05F-low.png)
12
VIN, 5 VOUT at Full Load, BW =
20 MHz |
Figure 6-33 Output Ripple![Output Ripple GUID-14E0B136-FCE1-4E97-AAD3-051EF93DC60D-low.png](/ods/images/ZHCS566I/GUID-14E0B136-FCE1-4E97-AAD3-051EF93DC60D-low.png)
12
VIN, 3.3 VOUT at Full Load, BW
= 20 MHz |
Figure 6-35 Output Ripple![Output Ripple GUID-F0F31596-D888-4E87-B46F-C9C5C4EB5501-low.png](/ods/images/ZHCS566I/GUID-F0F31596-D888-4E87-B46F-C9C5C4EB5501-low.png)
12
VIN, 1.2 VOUT at Full Load, BW
= 20 MHz |
Figure 6-37 Output Ripple![Transient Response GUID-D274B732-7CA5-4681-B42D-3A7AB4EB6DCF-low.png](/ods/images/ZHCS566I/GUID-D274B732-7CA5-4681-B42D-3A7AB4EB6DCF-low.png)
12
VIN, 5 VOUT 1- to 10-A
Step |
Figure 6-39 Transient Response![Transient Response GUID-D07E07C6-1825-4B94-B556-ED5E5EBA16B6-low.png](/ods/images/ZHCS566I/GUID-D07E07C6-1825-4B94-B556-ED5E5EBA16B6-low.png)
12
VIN, 1.2 VOUT 1- to 10-A
Step |
Figure 6-41 Transient Response
Figure 6-43 3.3-VOUT Soft Start
Figure 6-2 Dissipation 5-V Output at 25°C
Figure 6-4 Dissipation 3.3-V Output at 25°C
Figure 6-6 Dissipation 2.5-V Output at 25°C
Figure 6-8 Dissipation 1.8-V Output at 25°C
Figure 6-10 Dissipation 1.5-V Output at 25°C
Figure 6-12 Dissipation 1.2-V Output at 25°C
Figure 6-14 Dissipation 1-V Output at 25°C
Figure 6-16 Dissipation 5-V Output at 85°C
Figure 6-18 Dissipation 3.3-V Output at 85°C
Figure 6-20 Dissipation 2.5-V Output at 85°C
Figure 6-22 Dissipation 1.8-V Output at 85°C
Figure 6-24 Dissipation 1.5-V Output at 85°C
Figure 6-26 Dissipation 1.2-V Output at 85°C
Figure 6-28 Dissipation 1-V Output at 85°C
Figure 6-30 Thermal Derating
Figure 6-32 RθJA vs Copper Heat Sinking Area![Output Ripple GUID-D5DA6A03-270A-4C5E-A92F-86B46827CBDC-low.png](/ods/images/ZHCS566I/GUID-D5DA6A03-270A-4C5E-A92F-86B46827CBDC-low.png)
12
VIN, 5 VOUT at Full Load, BW =
250 MHz |
Figure 6-34 Output Ripple![Output Ripple GUID-5FC9D874-7668-41B7-A44B-3A3D50B64913-low.png](/ods/images/ZHCS566I/GUID-5FC9D874-7668-41B7-A44B-3A3D50B64913-low.png)
12
VIN, 3.3 VOUT at Full Load, BW
= 250 MHz |
Figure 6-36 Output Ripple![Output Ripple GUID-896611E5-9497-4029-B5EE-3EC7E86AB671-low.png](/ods/images/ZHCS566I/GUID-896611E5-9497-4029-B5EE-3EC7E86AB671-low.png)
12
VIN, 1.2 VOUT at Full Load, BW
= 250 MHz |
Figure 6-38 Output Ripple![Transient Response GUID-F6840EC4-6840-468E-8573-8ECB6EF4DF0C-low.png](/ods/images/ZHCS566I/GUID-F6840EC4-6840-468E-8573-8ECB6EF4DF0C-low.png)
12
VIN, 3.3 VOUT 1- to 10-A
Step |
Figure 6-40 Transient Response
Figure 6-42 Short
Circuit Current vs Input Voltage
Figure 6-44 3.3-VOUT Soft Start