Unless otherwise specified the following conditions apply: VIN
= 13.5 V, fSW = 2100 kHz, L = 2.2 µH, CSENSE = 66 µF,
CBUS = 1 µF, ILIM = GND, TA = 25 °C.
Unless otherwise specified the following conditions apply: VIN
= 13.5 V, fSW = 2100 kHz, L = 2.2 µH, CSENSE = 66 µF,
CBUS = 1 µF, ILIM = GND, TA = 25 °C.Figure 11-2 Buck Only
Efficiency. Unless otherwise specified the following conditions apply: VIN
= 13.5 V, fSW = 2100 kHz, L = 2.2 µH, CSENSE = 66 µF,
CBUS = 1 µF, ILIM = GND, TA = 25 °C. ![2.1-MHz EMI Results
(Without CM Filter) GUID-92DB1483-A8C1-4735-9FC9-D0911C9320A9-low.png](/ods/images/JAJSN20/GUID-92DB1483-A8C1-4735-9FC9-D0911C9320A9-low.png)
IBUS = 3A |
fSW = 2100
kHz |
L = 2.2 uH |
Figure 11-4 2.1-MHz EMI Results
(Without CM Filter)Figure 11-6 Load
Regulation ![Load Transient Without
Cable Compensation GUID-20210929-SS0I-PK7K-PTRH-F4VP6DBTFWF5-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-PK7K-PTRH-F4VP6DBTFWF5-low.png)
|
IBUS = 0 A to 3 A |
|
fSW = 2100
kHZ |
Figure 11-8 Load Transient Without
Cable Compensation![Load Transient With Cable
Compensation GUID-20210929-SS0I-9SKX-6ZPH-251CCTSTHFML-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-9SKX-6ZPH-251CCTSTHFML-low.png)
|
IBUS = 0 A to 3 A |
|
fSW = 2100 kHZ |
Figure 11-10 Load Transient With Cable
CompensationFigure 11-12 Dropout
Characteristic
![100-mA Output
Ripple GUID-20210929-SS0I-BBXG-RDDV-N9NQVNV6BP41-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-BBXG-RDDV-N9NQVNV6BP41-low.png)
|
IBUS = 0.1
A |
|
fSW = 2100 kHZ |
Figure 11-14 100-mA Output
Ripple![Startup Relate to
VIN GUID-20210929-SS0I-ZHWN-ZSSP-38KHC426RZSW-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-ZHWN-ZSSP-38KHC426RZSW-low.png)
VIN = 0 V to 13.5 V |
CC1 = Rd |
IBUS = 3 A |
Figure 11-16 Startup Relate to
VIN![Startup Relate to
EN GUID-20210929-SS0I-DGR9-XJCM-F5HWQ0NNR59B-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-DGR9-XJCM-F5HWQ0NNR59B-low.png)
EN = 0 V to 5 V |
CC1 = Rd |
IBUS = 3 A |
Figure 11-18 Startup Relate to
EN![Rd Assert GUID-20210929-SS0I-BPTZ-MBKL-8JWXFQBMSMHR-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-BPTZ-MBKL-8JWXFQBMSMHR-low.png)
CC1 = Open to
Rd |
CC2 = Open |
IBUS = 3 A |
Figure 11-20 Rd Assert
Figure 11-22 Enable Into Short
Figure 11-24 VBUS Hot Short to
GND![OUT short to 5.1-Ω
Load GUID-20210929-SS0I-CL3M-5PCT-MZKWRXZZ9X2H-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-CL3M-5PCT-MZKWRXZZ9X2H-low.png)
CC1 = Rd |
OUT = 5.1 Ω |
BUS NO LOAD |
Figure 11-26 OUT short to 5.1-Ω
Load![Thermal Sensing - NTC
Temperature WARM Behavior GUID-20210929-SS0I-D3KJ-WJQV-5RRPSWGZQHH4-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-D3KJ-WJQV-5RRPSWGZQHH4-low.png)
VTS = 0 V to 2.6
V |
CC1 = Rd |
CC2 = OPEN |
Figure 11-28 Thermal Sensing - NTC
Temperature WARM Behavior
|
fSW = 2100
kHz |
L = 2.2 uH |
Figure 11-3 Buck Only
Efficiency![400-KHz EMI Results
(Without CM Filter) GUID-653F78B0-CC49-4383-BFED-37BFEFE120E1-low.png](/ods/images/JAJSN20/GUID-653F78B0-CC49-4383-BFED-37BFEFE120E1-low.png)
IBUS = 3A |
fSW = 400
kHz |
L = 10 uH |
Figure 11-5 400-KHz EMI Results
(Without CM Filter)Figure 11-7 Line
Regulation ![Load Transient Without
Cable Compensation GUID-DC8F9275-407E-4865-89F8-7AE72B486F32-low.png](/ods/images/JAJSN20/GUID-DC8F9275-407E-4865-89F8-7AE72B486F32-low.png)
|
IBUS = 0.75 A to 2.25 A |
|
fSW = 400
kHZ |
Figure 11-9 Load Transient Without
Cable Compensation![Load Transient With Cable
Compensation GUID-20210929-SS0I-WTBG-34CM-92WMBJKPKBK7-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-WTBG-34CM-92WMBJKPKBK7-low.png)
|
IBUS = 0.75 A to 2.25 A |
|
fSW = 400
kHZ |
Figure 11-11 Load Transient With Cable
Compensation![6-A Output Ripple GUID-742A58EC-1C3A-460C-8053-ACE25A71B3DE-low.png](/ods/images/JAJSN20/GUID-742A58EC-1C3A-460C-8053-ACE25A71B3DE-low.png)
|
IBUS = 3 A |
|
fSW = 2100 kHZ |
Figure 11-13 6-A Output Ripple![No Load Output
Ripple GUID-20210929-SS0I-M1CG-VHCG-J2DZBKX404VZ-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-M1CG-VHCG-J2DZBKX404VZ-low.png)
|
IBUS = 0 A |
|
fSW = 2100 kHZ |
Figure 11-15 No Load Output
Ripple![Shutdown Relate to
VIN GUID-20210929-SS0I-CPBV-SXRS-J0KJXMGD2ZX4-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-CPBV-SXRS-J0KJXMGD2ZX4-low.png)
VIN = 13.5 V to 0 V |
CC1 = Rd |
IBUS = 3 A |
Figure 11-17 Shutdown Relate to
VIN![Shutdown Relate to
EN GUID-20210929-SS0I-SFN8-X6TV-1CVNWH1NRLN6-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-SFN8-X6TV-1CVNWH1NRLN6-low.png)
EN = 5 V to 0 V |
CC1 = Rd |
IBUS = 3 A |
Figure 11-19 Shutdown Relate to
EN![Rd Desert GUID-20210929-SS0I-BHPG-K0JT-MV1PC8JLNBT8-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-BHPG-K0JT-MV1PC8JLNBT8-low.png)
CC1 = Rd to
Open |
CC2 = Open |
IBUS = 3 A |
Figure 11-21 Rd Desert![Short Circuit
Recovery GUID-20210929-SS0I-HSSH-KN81-43LQD9LKJGHN-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-HSSH-KN81-43LQD9LKJGHN-low.png)
EN is High |
BUS removed from GND |
|
Figure 11-23 Short Circuit
Recovery
Figure 11-25 CC2 Hot Short to
GND![OUT Hot Short to
GND GUID-20210929-SS0I-J3RG-LGKG-1PBFL8RJJVVX-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-J3RG-LGKG-1PBFL8RJJVVX-low.png)
CC1 = Rd |
OUT = GND |
BUS NO LOAD |
Figure 11-27 OUT Hot Short to
GND![Thermal Sensing - NTC
Temperature HOT Behavior GUID-20210929-SS0I-F1WL-PF9N-JZKDQLPHCWKT-low.png](/ods/images/JAJSN20/GUID-20210929-SS0I-F1WL-PF9N-JZKDQLPHCWKT-low.png)
VTS = 0 V to 4
V |
CC1 = Rd |
CC2 = OPEN |
Figure 11-29 Thermal Sensing - NTC
Temperature HOT Behavior