BUCK CONTROLLERS |
|
tPG |
Total turnon time |
Measured from enable going high to when output reaches 90% of target value. |
|
550 |
850 |
µs |
TON,MIN |
Minimum ON time of DRVH |
|
|
50 |
|
ns |
TDEAD |
Driver dead-time |
DRVH off to DRVL on |
|
15 |
|
ns |
DRVL off to DRVH on |
|
30 |
|
fSW |
Switching frequency |
Continuous-conduction mode,
VIN = 13 V, VOUT ≥ 1 V |
|
1000 |
|
kHz |
BUCK CONVERTERS |
tPG |
Total turnon time |
Measured from enable going high to when output reaches 90% of target value.
VOUT = 1 V, COUT = 88 µF |
|
250 |
1000 |
µs |
fSW |
Switching frequency |
Continuous-conduction mode, BUCK3 VOUT = 1 V, IOUT = 1 A |
|
1.6 |
|
MHz |
Continuous-conduction mode, BUCK3 VOUT = 1.05 V, IOUT = 1 A |
|
1.7 |
|
Continuous-conduction mode, BUCK4 VOUT = 1.8 V, IOUT = 1 A |
|
2.5 |
|
Continuous-conduction mode, BUCK5 VOUT = 1.24 V, IOUT = 1 A |
|
2.4 |
|
Continuous-conduction mode, BUCK5 VOUT = 1.35 V, IOUT = 1 A |
|
2.5 |
|
LDOAx |
tSTARTUP |
Start-up time |
Measured from enable going high to when output reaches 95% of final value,
VOUT = 1.2 V, COUT = 4.7 µF |
|
180 |
|
µs |
VTT LDO |
tSTARTUP |
Start-up time |
Measured from enable going high to PG assertion,
VOUT = 0.675 V, COUT = 40 µF |
|
22 |
|
µs |
SWA1 |
tTURN-ON |
Turnon time |
Measured from enable going high to reach 95% of final value,
VIN = 3.3 V, COUT = 0.1 µF |
|
0.85 |
|
ms |
Measured from enable going high to reach 95% of final value,
VIN = 1.8 V, COUT = 0.1 µF |
|
0.63 |
|
SWB1_2 |
tTURN-ON |
Turnon time |
Measured from enable going high to reach 95% of final value,
VIN = 3.3 V, COUT = 0.1 µF |
|
1.1 |
|
ms |
Measured from enable going high to reach 95% of final value,
VIN = 1.8 V, COUT = 0.1 µF |
|
0.82 |
|