Unless otherwise specified the following conditions apply: VIN = 13.5 V,
fSW = 400 kHz, L = 8.2 µH, COUT_CSP = 66 µF, COUT_CSN
= 0.1 µF, CBUS = 1 µF, TA = 25 °C.
Unless otherwise specified the following conditions apply: VIN = 13.5 V,
fSW = 400 kHz, L = 8.2 µH, COUT_CSP = 66 µF, COUT_CSN
= 0.1 µF, CBUS = 1 µF, TA = 25 °C.![Buck Only Efficiency GUID-F224EC24-0977-4DDD-8C74-3A60CA8D8EE7-low.png](/ods/images/ZHCSLL2A/GUID-F224EC24-0977-4DDD-8C74-3A60CA8D8EE7-low.png)
VOUT = 5.1 V |
fSW = 400 kHz |
|
Figure 11-2 Buck Only Efficiency. Unless otherwise specified the following conditions apply: VIN = 13.5 V,
fSW = 400 kHz, L = 8.2 µH, COUT_CSP = 66 µF, COUT_CSN
= 0.1 µF, CBUS = 1 µF, TA = 25 °C. ![Efficiency With
Sense Resistor GUID-173285AD-8DA0-48C2-A524-B352BE8EAA2E-low.gif](/ods/images/ZHCSLL2A/GUID-173285AD-8DA0-48C2-A524-B352BE8EAA2E-low.gif)
RSENS = 15 mΩ |
fSW = 400 kHz |
|
Figure 11-4 Efficiency With
Sense Resistor![Load
Regulation GUID-426C3304-7466-47F2-947D-BDAFA9240242-low.gif](/ods/images/ZHCSLL2A/GUID-426C3304-7466-47F2-947D-BDAFA9240242-low.gif)
VOUT = 5.1 V |
fSW = 400 kHz |
|
Figure 11-6 Load
Regulation![Load Transient Without Cable Compensation GUID-A65C4BBB-C86E-44F3-9F09-ACAD2775B16A-low.gif](/ods/images/ZHCSLL2A/GUID-A65C4BBB-C86E-44F3-9F09-ACAD2775B16A-low.gif)
ILOAD = 0 A to
3.5 A |
RIMON = 0 Ω |
Figure 11-8 Load Transient Without Cable Compensation![Load Transient with Cable Compensation GUID-DF2D89BB-2C69-4B20-8548-F67E012F0B54-low.gif](/ods/images/ZHCSLL2A/GUID-DF2D89BB-2C69-4B20-8548-F67E012F0B54-low.gif)
ILOAD = 0 A to
3.5 A |
RIMON = 13 kΩ |
Figure 11-10 Load Transient with Cable Compensation
Figure 11-12 Dropout Characteristic
Figure 11-14 100-mA Output Ripple![Startup Relate to VIN GUID-E1B77D87-43A7-41BB-B620-4382CECE00F4-low.gif](/ods/images/ZHCSLL2A/GUID-E1B77D87-43A7-41BB-B620-4382CECE00F4-low.gif)
VIN = 0 V to 13.5 V |
CC1 = Rd |
ILOAD = 3 A |
Figure 11-16 Startup Relate to VIN![Startup Relate to EN GUID-A0C6ACCC-15D6-4DA2-B185-1FD2D37461B4-low.gif](/ods/images/ZHCSLL2A/GUID-A0C6ACCC-15D6-4DA2-B185-1FD2D37461B4-low.gif)
EN = 0 V to 5 V |
CC1 = Rd |
ILOAD = 3 A |
Figure 11-18 Startup Relate to EN![Rd Assert GUID-57E7D170-31FD-4AE4-A4C4-C4368221BBA5-low.gif](/ods/images/ZHCSLL2A/GUID-57E7D170-31FD-4AE4-A4C4-C4368221BBA5-low.gif)
CC1 = Open to Rd |
CC2 = Open |
ILOAD = 3 A |
Figure 11-20 Rd Assert![Enable Into Short Without External
FET GUID-20210504-CA0I-2MJQ-XR8V-N82HSD07T5M5-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-2MJQ-XR8V-N82HSD07T5M5-low.gif)
EN to High |
VBUS = GND |
RLIMIT = 13 kΩ |
Figure 11-22 Enable Into Short Without External
FET![Enable Into 1-Ω Load Without
External FET GUID-20210504-CA0I-4T9C-QTCL-QVSNQHXSKH7W-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-4T9C-QTCL-QVSNQHXSKH7W-low.gif)
EN to High |
VBUS = GND |
RLIMIT = 13 kΩ |
Figure 11-24 Enable Into 1-Ω Load Without
External FET![Enable Into Short With External
FET GUID-20210504-CA0I-FF3B-WFRL-LB73HMCPNRFM-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-FF3B-WFRL-LB73HMCPNRFM-low.gif)
EN to High |
VBUS = GND |
RLIMIT = 6.8 kΩ |
Figure 11-26 Enable Into Short With External
FET![Enable Into 1-Ω Load With External FET GUID-20210504-CA0I-MWVT-DKGM-ZXTZXXKBKCV1-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-MWVT-DKGM-ZXTZXXKBKCV1-low.gif)
EN to High |
VBUS = GND |
RLIMIT = 6.8 kΩ |
Figure 11-28 Enable Into 1-Ω Load With External FET![MFI Over-Current Test Without External FET GUID-20210504-CA0I-Q9ZJ-PWZT-T6RXXPK4G9FJ-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-Q9ZJ-PWZT-T6RXXPK4G9FJ-low.gif)
ILOAD1 = 3 A |
ILOAD2 = 4.8 A |
RLIMIT = 13 kΩ |
Figure 11-30 MFI Over-Current Test Without External FET
Figure 11-32 VBUS Hot Short to GND Without
External FET
Figure 11-34 CC2 Hot Short to GND![VBUS Short to BAT Recovery With External FET GUID-B8119C90-6CF8-4A77-8F10-3E7817549BE9-low.gif](/ods/images/ZHCSLL2A/GUID-B8119C90-6CF8-4A77-8F10-3E7817549BE9-low.gif)
CC1 = Rd |
CC2 = OPEN |
NO LOAD |
Figure 11-36 VBUS Short to BAT Recovery With External FET![CC Short to BAT Recovery GUID-262EC263-7B36-4314-91A2-39D7F827EF18-low.gif](/ods/images/ZHCSLL2A/GUID-262EC263-7B36-4314-91A2-39D7F827EF18-low.gif)
CC1 = Rd |
CC2 = OPEN |
NO LOAD |
Figure 11-38 CC Short to BAT Recovery![DP Short to BAT Recovery GUID-DED69AE0-0E77-4D98-AEF2-04EB27701B13-low.gif](/ods/images/ZHCSLL2A/GUID-DED69AE0-0E77-4D98-AEF2-04EB27701B13-low.gif)
CC1 = Rd |
CC2 = OPEN |
NO LOAD |
Figure 11-40 DP Short to BAT Recovery![Thermal Sensing with NTC Behavior 2 GUID-77D1BF1A-E7DE-4513-95C0-F83B7AD60635-low.gif](/ods/images/ZHCSLL2A/GUID-77D1BF1A-E7DE-4513-95C0-F83B7AD60635-low.gif)
VNTC = 0 V to 4 V |
CC1 = Rd |
CC2 = OPEN |
Figure 11-42 Thermal Sensing with NTC Behavior 2![Client Mode to CDP Mode GUID-20210504-CA0I-VRZJ-47LF-HKGWM4BBHJD6-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-VRZJ-47LF-HKGWM4BBHJD6-low.gif)
VIN13.5 V |
CC1 = Rd |
CTRL12 = 00 to 11 |
Figure 11-44 Client Mode to CDP Mode![Buck Only Efficiency GUID-2DFF53F8-E84E-4E46-AC81-5239B3010DC9-low.gif](/ods/images/ZHCSLL2A/GUID-2DFF53F8-E84E-4E46-AC81-5239B3010DC9-low.gif)
VOUT = 5.1 V |
fSW = 2100 kHz |
L = 3.3 uH |
Figure 11-3 Buck Only Efficiency![Efficiency With
Sense Resistor GUID-4EB9BC1B-B5FC-4F3D-8758-6EA1272C89C0-low.gif](/ods/images/ZHCSLL2A/GUID-4EB9BC1B-B5FC-4F3D-8758-6EA1272C89C0-low.gif)
RSENS = 15 mΩ |
fSW = 2100 kHz |
L = 3.3uH |
Figure 11-5 Efficiency With
Sense Resistor![Line
Regulation GUID-3A30FBCA-F35B-4435-B3E7-E1651DE389A8-low.gif](/ods/images/ZHCSLL2A/GUID-3A30FBCA-F35B-4435-B3E7-E1651DE389A8-low.gif)
VOUT = 5.1 V |
fSW = 400 kHz |
|
Figure 11-7 Line
Regulation![Load Transient Without Cable Compensation GUID-DAA83397-5B70-4E62-8BB5-BB9F4B2FC1CA-low.gif](/ods/images/ZHCSLL2A/GUID-DAA83397-5B70-4E62-8BB5-BB9F4B2FC1CA-low.gif)
ILOAD = 0.75 A
to 2.25 A |
RIMON = 0 Ω |
Figure 11-9 Load Transient Without Cable Compensation![Load Transient with Cable Compensation GUID-FD4F8E64-3DB2-4A05-8979-3A5372393C09-low.gif](/ods/images/ZHCSLL2A/GUID-FD4F8E64-3DB2-4A05-8979-3A5372393C09-low.gif)
ILOAD = 0.75 A
to 2.25 A |
RIMON = 13 kΩ |
Figure 11-11 Load Transient with Cable Compensation
Figure 11-13 3.5-A Output Ripple
Figure 11-15 No Load Output Ripple![Shutdown Relate to VIN GUID-A5948AA3-4ADA-4E73-95C1-035EB92C3F83-low.gif](/ods/images/ZHCSLL2A/GUID-A5948AA3-4ADA-4E73-95C1-035EB92C3F83-low.gif)
VIN = 13.5 V to 0 V |
CC1 = Rd |
ILOAD = 3 A |
Figure 11-17 Shutdown Relate to VIN![Shutdown Relate to EN GUID-7D09FEA0-053F-4561-8ADA-399D8BE05906-low.gif](/ods/images/ZHCSLL2A/GUID-7D09FEA0-053F-4561-8ADA-399D8BE05906-low.gif)
EN = 5 V to 0 V |
CC1 = Rd |
ILOAD = 3 A |
Figure 11-19 Shutdown Relate to EN![Rd Desert GUID-3AAE8407-BC38-4177-BC7C-73BED7D4A3DF-low.gif](/ods/images/ZHCSLL2A/GUID-3AAE8407-BC38-4177-BC7C-73BED7D4A3DF-low.gif)
CC1 = Rd to Open |
CC2 = Open |
ILOAD = 3 A |
Figure 11-21 Rd Desert
Figure 11-23 Short Circuit Recovery Without
External FET
Figure 11-25 1-Ω Load Recovery Without External
FET
Figure 11-27 Short Circuit Recovery With External
FET
Figure 11-29 1-Ω Load Recovery With External FET![MFI Over-Current Test With External FET GUID-20210504-CA0I-PSM4-PLCD-PRXKPRZ3QPJ7-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-PSM4-PLCD-PRXKPRZ3QPJ7-low.gif)
ILOAD1 = 3 A |
ILOAD2 = 4.8 A |
RLIMIT = 6.8 kΩ |
Figure 11-31 MFI Over-Current Test With External FET
Figure 11-33 VBUS Hot Short to GND with External
FET![VBUS Short to BAT with External FET GUID-6074A81B-217A-47AA-9F4A-7652FF8E7DB3-low.gif](/ods/images/ZHCSLL2A/GUID-6074A81B-217A-47AA-9F4A-7652FF8E7DB3-low.gif)
CC1 = Rd |
CC2 = OPEN |
NO LOAD |
Figure 11-35 VBUS Short to BAT with External FET![CC Short to BAT GUID-96C26FE5-1806-4BA7-B640-5E7FB2207E91-low.gif](/ods/images/ZHCSLL2A/GUID-96C26FE5-1806-4BA7-B640-5E7FB2207E91-low.gif)
CC1 = Rd |
CC2 = OPEN |
NO LOAD |
Figure 11-37 CC Short to BAT![DP Short to BAT GUID-37458533-58F1-4D60-9D01-06A00283F45A-low.gif](/ods/images/ZHCSLL2A/GUID-37458533-58F1-4D60-9D01-06A00283F45A-low.gif)
CC1 = Rd |
CC2 = OPEN |
NO LOAD |
Figure 11-39 DP Short to BAT![Thermal Sensing with NTC Behavior 1 GUID-3B229445-A3BE-42F9-A636-E54E6E653B3F-low.gif](/ods/images/ZHCSLL2A/GUID-3B229445-A3BE-42F9-A636-E54E6E653B3F-low.gif)
VNTC = 0 V to 3 V |
CC1 = Rd |
CC2 = OPEN |
Figure 11-41 Thermal Sensing with NTC Behavior 1![Client mode Startup GUID-20210504-CA0I-G7GP-Z9HJ-HGB6XXD4CVDL-low.gif](/ods/images/ZHCSLL2A/GUID-20210504-CA0I-G7GP-Z9HJ-HGB6XXD4CVDL-low.gif)
VIN = 0 V to 13.5 V |
CC1 = Rd |
CTRL12 = 00 |
Figure 11-43 Client mode Startup