| INPUT (VIN PIN) |
| IIN-EN |
Input current, enabled |
VUVLO = 3 V and VOVLO = 2 V |
|
7.2 |
9.5 |
mA |
| PORIT |
Power-on reset threshold at VIN to trigger insertion timer |
VIN increasing |
|
7.8 |
9.0 |
V |
| POREN |
Power-on reset threshold at VIN to enable all functions |
VIN increasing |
|
8.6 |
9.9 |
V |
| PORHYS |
POREN hysteresis |
VIN decreasing |
|
120 |
|
mV |
| VDD REGULATOR (VDD PIN) |
| VDD |
|
IVDD = 0 mA |
4.60 |
4.90 |
5.15 |
V |
| IVDD = 10 mA |
|
4.85 |
|
V |
| VDDILIM |
VDD current limit |
|
–25 |
–30 |
–42 |
mA |
| VDDPOR |
VDD voltage reset threshold |
VDD rising |
|
4.1 |
|
V |
| UVLO/EN, OVLO PINS |
| UVLOTH |
UVLO threshold |
VUVLO falling |
2.41 |
2.48 |
2.55 |
V |
| UVLOHYS |
UVLO hysteresis current |
UVLO = 1 V |
13 |
20 |
26 |
µA |
| UVLOBIAS |
UVLO bias current |
UVLO = 3 V |
|
|
1 |
µA |
| OVLOTH |
OVLO threshold |
VOVLO rising |
2.39 |
2.46 |
2.53 |
V |
| OVLOHYS |
OVLO hysteresis current |
OVLO = 1 V |
–26 |
–21 |
–13 |
µA |
| OVLOBIAS |
OVLO bias current |
OVLO = 1 V |
|
|
1 |
µA |
| POWER GOOD (PGD PIN) |
| PGDVOL |
Output low voltage |
ISINK = 2 mA |
|
60 |
110 |
mV |
| PGDIOH |
Off leakage current |
VPGD = 80 V |
|
|
1 |
µA |
| FB PIN |
| FBTH |
FB threshold |
VUVLO = 3 V and VOVLO = 2 V |
2.41 |
2.46 |
2.52 |
V |
| FBHYS |
FB hysteresis current |
|
–25 |
–20 |
–15 |
µA |
| FBLEAK |
Off leakage current |
VFB = 2.3 V |
|
|
1 |
µA |
| POWER LIMIT (PWR PIN) |
| PWRLIM |
Power limit sense voltage (VIN-SENSE) |
SENSE-OUT = 48 V, RPWR = 121 kΩ |
16.5 |
19.5 |
22.5 |
mV |
| SENSE-OUT = 24 V, RPWR = 75 kΩ |
|
23 |
|
mV |
| IPWR |
PWR pin current |
VPWR = 2.5 V |
|
–20 |
|
µA |
| RSAT(PWR) |
PWR pin impedance when disabled |
UVLO = 2 V |
|
135 |
|
Ω |
| GATE CONTROL (GATE PIN) |
| IGATE |
Source current |
Normal Operation |
–26 |
–20 |
–10 |
µA |
| Fault sink current |
UVLO = 2 V |
3.4 |
4.2 |
5.3 |
mA |
| POR circuit breaker sink current |
VIN – SENSE = 150 mV or VIN < PORIT, VGATE = 5 V |
50 |
115 |
180 |
mA |
| VGATEZ |
Reverse-bias voltage of GATE to OUT zener diode |
GATE – OUT |
15 |
16.5 |
18 |
V |
| VGATECP |
Peak charge pump voltage in normal operation (VIN = VOUT) |
GATE – OUT |
|
13.6 |
|
V |
| OUT PIN |
| IOUT-EN |
OUT bias current, enabled |
OUT = VIN, Normal operation |
|
78 |
|
µA |
| IOUT-DIS |
OUT bias current, disabled (2) |
Disabled, OUT = 0 V, SENSE = VIN |
|
–50 |
|
µA |
| CURRENT LIMIT |
| VCL |
Current limit threshold voltage (VIN – VSENSE) |
CL = VDD |
23 |
26 |
29 |
mV |
| CL = GND |
47 |
50 |
53 |
| ISENSE |
SENSE input current |
Enabled, SENSE = OUT |
|
25 |
|
µA |
| Disabled, OUT = 0 V |
|
66 |
|
| Enabled, OUT = 0 V |
|
220 |
|
| CIRCUIT BREAKER |
| RTCB |
Circuit breaker to current limit ratio: (VIN -VSENSE)CB/VCL |
CB/CL ratio bit = 0, ILim = 50 mV |
1.64 |
1.94 |
2.23 |
V/V |
| CB/CL ratio bit = 1, ILim = 50 mV |
3.28 |
3.87 |
4.45 |
| CB/CL ratio bit = 0, ILim = 26 mV |
|
1.88 |
|
| CB/CL ratio bit = 1, ILim = 26 mV |
|
3.75 |
|
| VCB |
Circuit breaker threshold voltage: (VIN – VSENSE) |
CB/CL ratio bit = 0, ILim = 50 mV |
80 |
96 |
110 |
mV |
| CB/CL ratio bit = 1, ILim = 50 mV |
164 |
193 |
222 |
| CB/CL ratio bit = 0, ILim = 26 mV |
39 |
48 |
57 |
| CB/CL ratio bit = 1, ILim = 26 mV |
79 |
96 |
113 |
| TIMER (TIMER PIN) |
|
| VTMRH |
Upper threshold |
|
3.74 |
3.9 |
4.07 |
V |
| VTMRL |
Lower threshold |
Restart cycles |
0.98 |
1.1 |
1.24 |
V |
| End of eighth cycle |
|
0.3 |
|
V |
| Re-enable threshold |
|
0.3 |
|
V |
| ITIMER |
Insertion time current |
TIMER pin = 2 V |
–5.9 |
–4.8 |
–3.3 |
µA |
| Sink current, end of insertion time |
1.0 |
1.5 |
2.0 |
mA |
| Fault detection current |
–95 |
–75 |
–50 |
µA |
| Fault sink current |
1.7 |
2.5 |
3.2 |
µA |
| DCFAULT |
Fault restart duty cycle |
|
0.5 |
|
% |
| INTERNAL REFERENCE |
| VREF |
Reference voltage |
|
2.93 |
2.97 |
3.02 |
V |
| ADC AND MUX |
|
Resolution |
|
|
12 |
|
Bits |
| INL |
Integral non-linearity |
ADC only |
|
±4 |
|
LSB |
| tACQUIRE |
Acquisition + Conversion time |
Any channel |
|
100 |
|
µs |
| tRR |
Acquisition round robin time |
Cycle all channels |
|
1 |
|
ms |
| TELEMETRY ACCURACY |
| IINFSR |
Current input full-scale range |
CL = GND |
|
75.8 |
|
mV |
| CL = VDD |
|
38.2 |
|
mV |
| IINLSB |
Current input LSB |
CL = GND |
|
18.5 |
|
µV |
| CL = VDD |
|
9.3 |
|
µV |
| VAUXFSR |
VAUX input full-scale range |
|
|
2.97 |
|
V |
| VAUXLSB |
VAUX input LSB |
|
|
725 |
|
µV |
| VINFSR |
Input voltage full-scale range |
|
|
89.3 |
|
V |
| VINLSB |
Input voltage LSB |
|
|
21.8 |
|
mV |
| IINACC |
Input current accuracy |
VIN – SENSE = 50 mV, CL = GND |
–3.0 |
|
+3.0 |
% |
| VIN – SENSE = 25 mV, CL = VDD |
-4.25 |
|
4.25 |
% |
| VACC |
VAUX, VIN, VOUT |
VIN, VOUT = 48 V VAUX = 2.8V |
–2.7 |
|
+2.7 |
% |
| PINACC |
Input power accuracy |
VIN = 48 V, VIN – SENSE = 50mV, CL = VDD |
–4.5 |
|
+4.5 |
% |
| REMOTE DIODE TEMPERATURE SENSOR |
| TACC |
Temperature accuracy using local diode |
TA = 25°C to 85°C |
|
2 |
10 |
°C |
| Remote diode resolution |
|
|
9 |
|
bits |
| IDIODE |
External diode current source |
High level |
|
250 |
325 |
µA |
| Low level |
|
9.4 |
|
µA |
|
Diode current ratio |
|
|
25.9 |
|
|
| PMBus PIN THRESHOLDS (SMBA, SDA, SCL) |
| VIL |
Data, clock input low voltage |
|
|
|
0.9 |
V |
| VIH |
Data, clock input high voltage |
|
2.1 |
|
5.5 |
V |
| VOL |
Data output low voltage |
ISINK = 3 mA |
0 |
|
0.4 |
V |
| ILEAK |
Input leakage current |
SDAI, SMBA,SCL = 5 V |
|
|
1 |
µA |
| CONFIGURATION PIN THRESHOLDS (CL, RETRY) |
| VIH |
Threshold voltage |
|
3 |
|
|
V |
| ILEAK |
Input leakage current |
CL, RETRY = 5 V |
|
5 |
|
µA |