Unless otherwise specified the following conditions apply: VIN
= 13.5 V, fSW = 2100 kHz, L = 0.68 µH, CSENSE = 66 µF,
CPA_BUS = 1 µF, CPB_BUS = 1 µF, ILIM = GND,
TA = 25 °C.
Unless otherwise specified the following conditions apply: VIN
= 13.5 V, fSW = 2100 kHz, L = 0.68 µH, CSENSE = 66 µF,
CPA_BUS = 1 µF, CPB_BUS = 1 µF, ILIM = GND,
TA = 25 °C.![Buck Only
Efficiency GUID-20201005-CA0I-VGWB-T2TD-MDG1SCH4JX8X-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-VGWB-T2TD-MDG1SCH4JX8X-low.gif)
VSET = GND |
fSW = 400
kHz |
L = 3.3 uH |
Figure 11-3 Buck Only
Efficiency. Unless otherwise specified the following conditions apply: VIN
= 13.5 V, fSW = 2100 kHz, L = 0.68 µH, CSENSE = 66 µF,
CPA_BUS = 1 µF, CPB_BUS = 1 µF, ILIM = GND,
TA = 25 °C. ![2.1-Mhz EMI Results
(Without CM Filter) GUID-20210302-CA0I-5F2B-SPBP-FFJQXN57C6NT-low.gif](/ods/images/SLVSFP0/GUID-20210302-CA0I-5F2B-SPBP-FFJQXN57C6NT-low.gif)
Load = 6A |
fSW = 2100
kHz |
L = 0.68 uH |
Figure 11-5 2.1-Mhz EMI Results
(Without CM Filter)![Line
Regulation GUID-20201005-CA0I-T2Q3-JRNJ-C4XFCBB40SNK-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-T2Q3-JRNJ-C4XFCBB40SNK-low.gif)
VSET = GND |
fSW = 2100
kHz |
|
Figure 11-7 Line
Regulation![Load Transient Without
Cable Compensation GUID-78A7EBE0-6F5E-49F3-92E8-FDB17135E0E0-low.png](/ods/images/SLVSFP0/GUID-78A7EBE0-6F5E-49F3-92E8-FDB17135E0E0-low.png)
VSET =
VSENSE |
IPB_BUS = 0 A to 2.4 A |
IPA_BUS = 3
A |
fSW = 2100
kHZ |
Figure 11-9 Load Transient Without
Cable Compensation![Load Transient With Cable
Compensation GUID-20201005-CA0I-PR4K-9D0S-XWHPFJPR33NH-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-PR4K-9D0S-XWHPFJPR33NH-low.gif)
VSET = GND |
IPA_BUS = 0 A to 3 A |
IPB_BUS = 2.4 A |
fSW = 2100 kHZ |
Figure 11-11 Load Transient With Cable
Compensation
Figure 11-13 Dropout
Characteristic![100-mA Output
Ripple GUID-20201005-CA0I-XHR9-PNCP-MVMJHQPBLVD3-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-XHR9-PNCP-MVMJHQPBLVD3-low.gif)
VSET = GND |
IPA_BUS = 0.1
A |
IPB_BUS = 0
A |
fSW = 2100 kHZ |
Figure 11-15 100-mA Output
Ripple![Startup Relate to
VIN GUID-20201005-CA0I-ST6S-KJJX-LF30ZD6Z58RF-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-ST6S-KJJX-LF30ZD6Z58RF-low.gif)
VIN = 0 V to 13.5 V |
PA_CC1 =
Rd |
IPA_BUS = 3
A |
Figure 11-17 Startup Relate to
VIN![Startup Relate to
EN GUID-20201008-CA0I-DDWQ-RJK4-BXNHXPNJD6WX-low.gif](/ods/images/SLVSFP0/GUID-20201008-CA0I-DDWQ-RJK4-BXNHXPNJD6WX-low.gif)
EN = 0 V to 5 V |
|
IPB_BUS = 2.4
A |
Figure 11-19 Startup Relate to
EN![Rd Assert GUID-20201005-CA0I-CTSR-ZX6N-LZWCBB2TMC5P-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-CTSR-ZX6N-LZWCBB2TMC5P-low.gif)
PA_CC1 = Open to
Rd |
PA_CC2 = Open |
IPA_BUS = 3
A |
Figure 11-21 Rd Assert![Enable Into Short GUID-20201005-CA0I-LHVM-F9MC-0XWQ4GV6KZHN-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-LHVM-F9MC-0XWQ4GV6KZHN-low.gif)
EN to High |
PA_BUS = GND |
PB_BUS = GND |
Figure 11-23 Enable Into Short![Enable Into 1-Ω
Load GUID-20201005-CA0I-KZ6H-CQCJ-DHS9SZWMT92P-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-KZ6H-CQCJ-DHS9SZWMT92P-low.gif)
EN to High |
PA_BUS = 1 Ω |
PB_BUS = 1 Ω |
Figure 11-25 Enable Into 1-Ω
Load
Figure 11-27 VBUS Hot Short to
GND![OUT Short to 5.1-Ω
Load GUID-20201005-CA0I-KMD0-GCXZ-WXGKWMMRMHPG-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-KMD0-GCXZ-WXGKWMMRMHPG-low.gif)
PA_CC1 =
Rd |
OUT = 5.1 Ω |
PA/B_BUS NO LOAD |
Figure 11-29 OUT Short to 5.1-Ω
Load![Thermal Sensing - NTC
Temperature WARM Behavior GUID-20201005-CA0I-QFNF-CSPV-K301XQD3GZVX-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-QFNF-CSPV-K301XQD3GZVX-low.gif)
VTS = 0 V to 2.6
V |
PA_CC1 =
Rd |
PA_CC2 = OPEN |
Figure 11-31 Thermal Sensing - NTC
Temperature WARM Behavior![Buck Only
Efficiency GUID-20201005-CA0I-8Z8N-ZK9X-HTP0MPQHHQ28-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-8Z8N-ZK9X-HTP0MPQHHQ28-low.gif)
VSET = GND |
fSW = 2100
kHz |
L = 0.68 uH |
Figure 11-4 Buck Only
Efficiency![Load
Regulation GUID-20201005-CA0I-DDTX-BWCQ-FPDC0NVK95DD-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-DDTX-BWCQ-FPDC0NVK95DD-low.gif)
VSET = GND |
fSW = 2100
kHz |
|
Figure 11-6 Load
Regulation![Load Transient Without
Cable Compensation GUID-20201005-CA0I-3F3C-R9LK-HDN5JCK7KK6Z-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-3F3C-R9LK-HDN5JCK7KK6Z-low.gif)
VSET =
VSENSE |
IPA_BUS = 0 A to 3 A |
IPB_BUS = 2.4
A |
fSW = 2100
kHZ |
Figure 11-8 Load Transient Without
Cable Compensation![Load Transient Without
Cable Compensation GUID-20201005-CA0I-R3JL-5DG0-Q1705MBQRHJK-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-R3JL-5DG0-Q1705MBQRHJK-low.gif)
VSET = VSENSE
|
IPA_BUS = 0.75 A to 2.25 A |
IPB_BUS = 0
A |
fSW = 400
kHZ |
Figure 11-10 Load Transient Without
Cable Compensation![Load Transient With Cable
Compensation GUID-20201005-CA0I-G2VN-0TRH-MJDRRMQRBM7B-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-G2VN-0TRH-MJDRRMQRBM7B-low.gif)
VSET = GND |
IPA_BUS = 0.75 A to 2.25 A |
IPB_BUS = 0
A |
fSW = 400
kHZ |
Figure 11-12 Load Transient With Cable
Compensation![5.4-A Output
Ripple GUID-20201005-CA0I-ZHM5-FSWR-69FMPJVVSDVS-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-ZHM5-FSWR-69FMPJVVSDVS-low.gif)
VSET = GND |
IPA_BUS = 3
A |
IPB_BUS = 2.4
A |
fSW = 2100 kHZ |
Figure 11-14 5.4-A Output
Ripple![No Load Output
Ripple GUID-20201005-CA0I-HWCT-TFTH-JDZMC7SDNZT7-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-HWCT-TFTH-JDZMC7SDNZT7-low.gif)
VSET = GND |
IPA_BUS = 0
A |
IPB_BUS = 0
A |
fSW = 2100 kHZ |
Figure 11-16 No Load Output
Ripple![Shutdown Relate to
VIN GUID-20201005-CA0I-NRNH-J3KM-TBSDMVGZMC7W-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-NRNH-J3KM-TBSDMVGZMC7W-low.gif)
VIN = 13.5 V to 0 V |
PA_CC1 =
Rd |
IPA_BUS = 3
A |
Figure 11-18 Shutdown Relate to
VIN![Shutdown Relate to
EN GUID-20201005-CA0I-TJKT-GHHL-VMDJWMSD0K1D-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-TJKT-GHHL-VMDJWMSD0K1D-low.gif)
EN = 5 V to 0 V |
|
IPB_BUS = 2.4
A |
Figure 11-20 Shutdown Relate to
EN![Rd Desert GUID-20201005-CA0I-K3XP-QPSS-6RHHV1MQSPDT-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-K3XP-QPSS-6RHHV1MQSPDT-low.gif)
PA_CC1 = Rd to
Open |
PA_CC2 = Open |
IPA_BUS = 3
A |
Figure 11-22 Rd Desert
Figure 11-24 Short Circuit
Recovery
Figure 11-26 1-Ω Load Recovery
Figure 11-28 PA_CC2 Hot Short to
GND![OUT Hot Short to
GND GUID-20201005-CA0I-GVNL-GHRB-HTT2QK5FGCST-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-GVNL-GHRB-HTT2QK5FGCST-low.gif)
PA_CC1 =
Rd |
OUT = GND |
PA/B_BUS NO LOAD |
Figure 11-30 OUT Hot Short to
GND![Thermal Sensing - NTC
Temperature HOT Behavior GUID-20201005-CA0I-1ZQZ-RSZH-LHC1DP03WBSF-low.gif](/ods/images/SLVSFP0/GUID-20201005-CA0I-1ZQZ-RSZH-LHC1DP03WBSF-low.gif)
VTS = 0 V to 4
V |
PA_CC1 =
Rd |
PA_CC2 = OPEN |
Figure 11-32 Thermal Sensing - NTC
Temperature HOT Behavior