| SUPPLY CURRENT |
|
|
|
|
|
| IVcc |
Supply current |
TA = +25°C; PWM = VCC; VCC = 5 V |
|
2.5 |
3.5 |
mA |
| IVcc-Standby |
Standby current |
TA = +25°C; PWM = 0 V; VCC = 5 V |
|
5 |
10 |
µA |
| UVLO |
|
|
|
|
|
| VUVLO-Th_r |
UVLO threshold voltage, rising |
Rise threshold, TA = +25°C |
|
1.80 |
1.9 |
V |
| VUVLO-Th_f |
UVLO threshold voltage, falling |
Fall threshold, TA = +25°C |
1.6 |
1.65 |
|
V |
| VUVLO-Th_hys |
UVLO threshold voltage, hysteresis |
TA = +25°C |
75 |
150 |
225 |
mV |
| INTEGRATED MOSFET |
|
|
|
|
|
| RDSON |
Series resistance (H+L) |
TA = +25°C; VCC = 5 V; IO = 0.5 A |
|
0.8 |
1.2 |
Ω |
| TA = +25°C; VCC = 4 V; IO = 0.5 A |
|
0.9 |
1.4 |
| TA = +25°C; VCC = 3 V; IO = 0.5 A |
|
1.1 |
1.7 |
| PWM |
|
|
|
|
|
| VPWM-IH |
High-level input voltage |
VCC ≥ 4.5 V |
2.3 |
|
|
V |
| VPWM-IL |
Low-level input voltage |
VCC ≥ 4.5 V |
|
|
0.8 |
V |
| FPWM |
PWM input frequency |
|
15 |
|
50 |
kHz |
| IPWM-Source |
|
Standby mode, VCC = 5 V |
|
5 |
|
µA |
| Active mode, VCC = 5 V |
|
100 |
|
| TSTBY |
|
PWM = 0 |
|
500 |
|
µs |
| FG AND FGS |
|
|
|
|
|
| IFG-Sink |
FG pin sink current |
VFG = 0.3 V |
5 |
|
|
mA |
| VFGS-Th |
FG set threshold voltage |
FG pin output, full FG signal, VCC ≥ 4.5 V |
|
|
0.8 |
V |
| FG pin output, one-half FG signal, VCC ≥ 4.5 V |
2.3 |
|
|
| LOCK PROTECTION |
|
|
|
|
|
| TLOCK-On |
Lock detect time |
FG = 0 |
2 |
3 |
4 |
s |
| TLOCK-Off |
Lock release time |
|
2.5 |
5 |
7.5 |
s |
| CURRENT LIMIT |
|
|
|
|
|
|
Current limit |
CS pin to GND resistor = 3.9 kΩ |
680 |
800 |
920 |
mA |
| THERMAL SHUTDOWN |
|
|
|
|
|
| TSHDN |
Shutdown temperature threshold |
|
|
160 |
|
°C |
| Hysteresis |
|
10 |
|