| SUPPLY CURRENT |
| IVDD |
VDD bias current |
TA = 25°C, No load Power conversion enabled (no switching) |
|
1350 |
1850 |
µA |
| IVDDSTBY |
VDD standby current |
TA = 25°C, No load Power conversion disabled |
|
850 |
1150 |
µA |
| IVIN(leak) |
VIN leakage current |
TA = 25°C, VEN = 0 V |
|
|
0.5 |
µA |
| VREF OUTPUT |
| VVREF |
Reference voltage |
FB w/r/t GND, TA = 25°C |
597 |
600 |
603 |
mV |
| VVREFTOL |
Reference voltage tolerance |
FB w/r/t GND, -40°C ≤ TJ ≤ 85°C |
–0.5 |
|
0.5 |
% |
| FB w/r/t GND, –40°C ≤ TJ ≤ 125°C |
–1.0 |
|
1.0 |
| OUTPUT VOLTAGE |
| IFB |
FB input current |
VFB = 600 mV |
|
50 |
100 |
nA |
| IVODIS |
VO discharge current |
VVO = 0.5 V, Power Conversion Disabled |
|
6 |
|
uA |
| INTERNAL DAC REFERENCE |
| VDACTOL1 |
DAC voltage tolerance 1 |
FB w/r/t GND, 0°C ≤ TA ≤ 85°C, with certain VOUT_ADJUSTMENT settings only (2) |
–6.0 |
|
6.0 |
mV |
| VDACTOL2 |
DAC voltage tolerance 2 |
FB w/r/t GND, 0°C ≤ TA ≤ 85°C, with certain VOUT_MARGIN settings only (3) |
–6.0 |
|
6.0 |
mV |
| VDACTOL3 |
DAC voltage tolerance 3 |
FB w/r/t GND, 0°C ≤ TA ≤ 85°C, with VOUT_ADJUSTMENT=0Dh and VOUT_MARGIN=70h for 5% |
–6.0 |
|
6.0 |
mV |
| VDACTOL4 |
DAC voltage tolerance 4 |
FB w/r/t GND, 0°C ≤ TA ≤ 85°C, with VOUT_ADJUSTMENT=13h and VOUT_MARGIN=07h for -5% |
–6.0 |
|
6.0 |
mV |
| SMPS FREQUENCY |
| fSW |
VO switching frequency |
VIN = 12 V, VVO = 3.3 V, FS<2:0> = 000 |
|
250 |
|
kHz |
| VIN = 12 V, VVO = 3.3 V, FS<2:0> = 001 |
|
300 |
|
| VIN = 12 V, VVO = 3.3 V, FS<2:0> = 010 |
|
400 |
|
| VIN = 12 V, VVO = 3.3 V, FS<2:0> = 011 |
|
500 |
|
| VIN = 12 V, VVO = 3.3 V, FS<2:0> = 100 |
|
600 |
|
| VIN = 12 V, VVO = 3.3 V, FS<2:0> = 101 |
|
750 |
|
| VIN = 12 V, VVO = 3.3 V, FS<2:0> = 110 |
|
850 |
|
| VIN = 12 V, VVO = 3.3 V, FS<2:0> = 111 |
|
1000 |
|
| tON(min) |
Minimum on-time |
TA = 25°C(1) |
|
60 |
|
ns |
| tOFF(min) |
Minimum off-time |
TA = 25°C |
175 |
240 |
310 |
ns |
| INTERNAL BOOTSTRAP SW |
| VF |
Forward Voltage |
VVREG–VBST, TA = 25°C, IF = 10 mA |
|
0.15 |
0.25 |
V |
| IVBST |
VBST leakage current |
TA = 25°C, VVBST = 33 V, VSW = 28 V |
|
0.01 |
1.5 |
µA |
| LOGIC THRESHOLD |
| VENH |
EN enable threshold voltage |
|
1.3 |
1.4 |
1.5 |
V |
| VENL |
EN disable threshold voltage |
|
1.1 |
1.2 |
1.3 |
V |
| VENHYST |
EN hysteresis voltage |
|
|
0.22 |
|
V |
| VENLEAK |
EN input leakage current |
|
–1 |
0 |
1 |
µA |
| SOFT-START |
| tSS |
Soft-start time |
SST <1:0> = 00 |
|
1 |
|
ms |
| SST <1:0> = 01 |
|
2 |
|
| SST <1:0> = 10 |
|
4 |
|
| SST <1:0> = 11 |
|
8 |
|
| POWERGOOD COMPARATOR |
| VPGTH |
PGOOD threshold |
PGOOD in from higher |
104 |
108 |
111 |
% |
| PGOOD in from lower |
89 |
92 |
96 |
% |
| PGOOD out to higher |
113 |
116 |
120 |
% |
| PGOOD out to lower |
80 |
84 |
87 |
% |
| tPGDLY |
PGOOD delay time |
Delay for PGOOD going in PGD<2:0>=000 |
165 |
256 |
320 |
μs |
| Delay for PGOOD going in PGD<2:0>=001 |
409 |
512 |
614 |
μs |
| Delay for PGOOD going in PGD<2:0>=010 |
0.819 |
1.024 |
1.228 |
ms |
| Delay for PGOOD going in PGD<2:0>=011 |
1.638 |
2.048 |
2.458 |
ms |
| Delay for PGOOD going in PGD<2:0>=100 |
3.276 |
4.096 |
4.915 |
ms |
| Delay for PGOOD going in PGD<2:0>=101 |
6.553 |
8.192 |
9.83 |
ms |
| Delay for PGOOD going in PGD<2:0>=110 |
13.104 |
16.38 |
19.656 |
ms |
| Delay for PGOOD going in PGD<2:0>=111 |
105 |
131 |
157 |
ms |
| Delay tolerance for PGOOD coming out |
|
2 |
|
µs |
| IPG |
PGOOD sink current |
VPGOOD = 0.5 V |
4 |
6 |
|
mA |
| IPGLK |
PGOOD leakage current |
VPGOOD = 5.0 V |
–1 |
0 |
1 |
µA |
| POWER-ON DELAY |
| tPODLY |
Power-on delay time |
Delay from enable to switching POD<2:0>=000 |
|
356 |
|
µs |
| Delay from enable to switching POD<2:0>=001 |
|
612 |
|
µs |
| Delay from enable to switching POD<2:0>=010 |
|
1.124 |
|
ms |
| Delay from enable to switching POD<2:0>=011 |
|
2.148 |
|
ms |
| Delay from enable to switching POD<2:0>=100 |
|
4.196 |
|
ms |
| Delay from enable to switching POD<2:0>=101 |
|
8.292 |
|
ms |
| Delay from enable to switching POD<2:0>=110 |
|
16.48 |
|
ms |
| Delay from enable to switching POD<2:0>=111 |
|
32.86 |
|
ms |
| CURRENT DETECTION |
| IOCL |
Current limit threshold, valley |
RTRIP = 49 kΩ |
11.5 |
15.0 |
17.5 |
A |
| RTRIP = 28 kΩ |
6.5 |
8 |
11 |
| IOCLN |
Negative current limit threshold, valley |
RTRIP = 49 kΩ |
-18.0 |
–14.9 |
-10.5 |
A |
| RTRIP = 28 kΩ |
-11.5 |
-8.0 |
-6.0 |
| VZC |
Zero cross detection offset |
|
|
0 |
|
mV |
| PROTECTIONS |
| VVREGUVLO |
VREG undervoltage-lockout (UVLO) threshold voltage |
Wake-up |
3.25 |
3.34 |
3.41 |
V |
| Shutdown |
3.00 |
3.12 |
3.19 |
| VVDDUVLO |
VDD UVLO threshold voltage |
Wake-up (default) |
4.15 |
4.25 |
4.35 |
V |
| Shutdown |
3.95 |
4.05 |
4.15 |
| VOVP |
Overvoltage-protection (OVP) threshold voltage |
OVP detect voltage |
116 |
120 |
124 |
% |
| tOVPDLY |
OVP propagation delay |
With 100-mV overdrive |
|
300 |
|
ns |
| VUVP |
Undervoltage-protection (UVP) threshold voltage |
UVP detect voltage |
64 |
68 |
71 |
% |
| tUVPDLY |
UVP delay |
UVP filter delay |
|
1 |
|
ms |
| THERMAL SHUTDOWN |
| TSDN |
Thermal shutdown threshold(1) |
Shutdown temperature |
|
140 |
|
°C |
| Hysteresis |
|
40 |
|
| LDO VOLTAGE |
| VREG |
LDO output voltage |
VIN = 12 V, ILOAD = 10 mA |
4.65 |
5 |
5.45 |
V |
| VDOVREG |
LDO low droop drop-out voltage |
VIN = 4.5 V, ILOAD = 30 mA, TA = 25°C |
|
|
365 |
mV |
| ILDOMAX |
LDO over-current limit |
VIN = 12 V, TA = 25°C |
170 |
200 |
|
mA |
| INTERNAL MOSFETS |
| RDS(on)H |
High-side MOSFET on-resistance |
TA = 25°C |
|
9.9 |
11.4 |
mΩ |
| RDS(on)L |
Low-side MOSFET on-resistance |
TA = 25°C |
|
4.3 |
4.94 |
mΩ |
| PMBus SCL and SDA INPUT BUFFER LOGIC THRESHOLDS |
| VIL-PMBUS |
SCL and SDA low-level input voltage(1) |
0°C ≤ TJ ≤ 85°C |
|
|
0.8 |
V |
| VIH-PMBUS |
SCL and SDA high-level input voltage(1) |
0°C ≤ TJ ≤ 85°C |
2.1 |
|
|
V |
| VHY-PMBUS |
SCL and SDA hysteresis voltage(1) |
0°C ≤ TJ ≤ 85°C |
|
240 |
|
mV |
| PMBus SDA and ALERT OUTPUT PULLDOWN |
| VOL1-PMBUS |
SDA and ALERT low-level output voltage(1) |
VDDPMBus = 5.5 V, RPULLUP = 1.1 kΩ, 0°C ≤ TJ ≤ 85°C |
|
|
0.4 |
V |
| VOL2-PMBUS |
SDA and ALERT low-level output voltage(1) |
VDDPMBus = 3.6 V, RPULLUP = 0.7 kΩ, 0°C ≤ TJ ≤ 85°C |
|
|
0.4 |
V |