| SUPPLY |
| VIN |
Input voltage range |
|
2.9 |
|
5.5 |
V |
| IQ |
Operating quiescent current |
IOUT = 0 mA, device operating in PFM mode and device not switching |
|
18 |
|
μA |
| ISD |
Shutdown current |
EN = GND, current into AVIN and PVIN combined |
|
0.1 |
1 |
μA |
| VUVLO |
Undervoltage lockout threshold |
Falling |
1.73 |
1.78 |
1.83 |
V |
| Rising |
1.9 |
1.95 |
1.99 |
| ENABLE, MODE |
| VIH |
High level input voltage |
2.9 V ≤ VIN ≤ 5.5 V |
1.0 |
|
5.5 |
V |
| VIL |
Low level input voltage |
2.9 V ≤ VIN ≤ 5.5 V |
0 |
|
0.4 |
V |
| IIN |
Input bias current |
EN, Mode tied to GND or AVIN |
|
0.01 |
1 |
μA |
| POWER SWITCH |
| RDS(on) |
High-side MOSFET on-resistance |
VIN = 3.6 V (2) |
|
120 |
180 |
mΩ |
| VIN = 5 V(2) |
|
95 |
150 |
| RDS(on) |
Low-side MOSFET on-resistance |
VIN = 3.6 V(2) |
|
90 |
130 |
mΩ |
| VIN = 5 V(2) |
|
75 |
100 |
| ILIMF |
Forward current limit MOSFET high-side and low-side |
3 V ≤ VIN ≤ 3.6 V |
2300 |
2750 |
|
mA |
| TSD |
Thermal shutdown |
Increasing junction temperature |
|
150 |
|
°C |
| Thermal shutdown hysteresis |
Decreasing junction temperature |
|
10 |
|
| OSCILLATOR |
| fSW |
Oscillator frequency |
2.9 V ≤ VIN ≤ 5.5 V |
2.6 |
3 |
3.4 |
MHz |
| OUTPUT |
| Vref |
Reference voltage |
|
|
600 |
|
mV |
| VFB(PWM) |
Feedback voltage PWM mode |
PWM operation, MODE = VIN , 2.9 V ≤ VIN ≤ 5.5 V, 0 mA load |
–2% |
0% |
2% |
|
| VFB(PFM) |
Feedback voltage PFM mode, voltage positioning |
Device in PFM mode, voltage positioning active(1) |
|
1% |
|
|
| VFB |
Load regulation |
|
|
–0.5% |
|
A |
| Line regulation |
|
|
0% |
|
V |
| R(Discharge) |
Internal discharge resistor |
Activated with EN = GND, 2.9 V ≤ VIN≤ 5.5 V, 0.8 ≤ VOUT ≤ 3.6 V |
|
200 |
|
Ω |
| tSTART |
Start-up time |
Time from active EN to reach 95% of VOUT |
|
500 |
|
μs |