POWER STAGE |
VIN |
Input voltage range |
|
2.7 |
|
5.5 |
V |
VUVLO |
Undervoltage lockout threshold |
|
|
1.9 |
2.1 |
V |
IQ |
Operating quiescent current |
IOUT = 140 mA, Enable = VIN |
|
4.7 |
|
mA |
IQskip |
Skip mode operating quiescent current |
IOUT = 0 mA, Enable=VIN (no switching) |
|
80 |
|
μA |
IOUT = 0 mA, Enable = VIN(minimum switching) |
|
90 |
|
μA |
ISD |
Shut down current |
2.7 V ≤ VIN ≤ 5.5 V, Enable = 0 V |
|
|
1 |
μA |
VOUT |
Output voltage(1) |
IOUT ≤ 50 mA, 2.7 V ≤ VIN < 5.5 V |
4.8 |
5 |
5.2 |
V |
VOUT(skip) |
Skip mode output voltage |
IOUT = 0 mA, 2.7 V ≤ VIN ≤ 5.5 V |
|
VOUT + 0.1 |
|
V |
FSW |
Switching frequency |
|
|
1.5 |
|
MHz |
SSTIME |
Soft-start time |
From the rising edge of enable to 90% output |
|
150 |
|
μs |
OUTPUT CURRENT |
IOUT_nom |
Maximum output current |
VOUT remains from 4.8 V to 5.2 V, 3.1 V ≤ VIN ≤ 5.5 V |
120 |
|
|
mA |
3.3 V < VIN < 5.5 V |
140 |
|
|
IOUT_short |
Short circuit current(2) |
VOUT = 0 V |
|
80 |
|
mA |
RIPPLE VOLTAGE |
|
VR |
Output ripple voltage |
IOUT = 140 mA |
|
30 |
|
mV |
ENABLE CONTROL |
|
VHI |
Logic high input voltage |
2.7 V ≤ VIN ≤ 5.5 V |
1.3 |
|
VIN |
V |
VLI |
Logic low input voltage |
|
–0.2 |
|
0.4 |
V |
IHI |
Logic high input current |
|
|
|
1 |
μA |
ILI |
Logic low input current |
|
|
|
1 |
μA |
THERMAL SHUTDOWN |
TSD |
Shutdown temperature |
|
|
160 |
|
°C |
TRC |
Shutdown recovery |
|
|
140 |
|
°C |