| DC/DC STAGE |
| VIN |
Input voltage range |
|
0.8 |
|
4.0 |
V |
| VIN |
Minimum input voltage for startup |
-40°C < TJ < 105°C |
|
|
1.2 |
V |
| VOUT |
TPS61260 output voltage range |
|
1.8 |
|
4.0 |
V |
| VFB |
TPS61260 feedback voltage |
-40°C < TJ < 85°C |
495 |
500 |
505 |
mV |
| VOUT |
TPS61261 output voltage |
|
3.27 |
3.3 |
3.33 |
V |
| ILIM |
Average switch current limit |
|
|
7 x IOUT |
|
mA |
| RDS(on) |
High side switch on resistance |
VIN = 1.2 V, VOUT = 3.3 V |
|
1000 |
|
mΩ |
| RDS(on) |
Low side switch on resistance |
VIN = 1.2 V, VOUT = 3.3 V |
|
250 |
|
mΩ |
|
Output voltage line regulation |
PWM mode |
|
0.5% |
|
|
|
Output voltage load regulation |
PWM mode |
|
0.5% |
|
|
| IOUT |
Average output current programming range |
|
10 |
|
100 |
mA |
|
Average output current |
RI = 10 kΩ, TA = 25 °C, VIN < VOUT |
19 |
20 |
21 |
mA |
|
Average output current |
RI = 10 kΩ, 0°C < TJ < 60°C, VIN < VOUT |
18 |
20 |
22 |
mA |
|
Average output current line regulation |
|
|
0.5% |
|
|
|
Average output current load regulation |
|
|
0.5% |
|
|
| IQ |
Quiescent current |
VIN |
IO = 0 mA, VEN = VIN = 1.2 V,
VOUT = 3.3 V, Device not switching |
|
4 |
7 |
μA |
| VOUT |
|
25 |
40 |
μA |
|
TPS61261 FB pin input impedance |
VEN = HIGH |
|
1 |
|
MΩ |
| ISD |
Shutdown current |
VEN = 0 V, VIN = 1.2 V |
|
0.1 |
1.5 |
μA |
| VEN = 0 V, VIN = 1.2 V, TA = 25°C |
|
0.1 |
0.3 |
μA |
| CONTROL STAGE |
| VUVLO |
Under voltage lockout threshold |
Falling VIN |
0.6 |
0.7 |
0.8 |
V |
| VUVLO |
Under voltage lockout threshold hysteresis |
|
|
200 |
|
mV |
| VIL |
Low level input threshold voltage (EN) |
VIN ≤ 1.8 V, -40°C < TJ < 85°C |
|
|
0.2 × VIN |
V |
| VIL |
Low level input threshold voltage (EN) |
VIN > 1.8 V, -40°C < TJ < 85°C |
|
|
0.36 |
V |
| VIH |
High level input threshold voltage (EN) |
VIN ≤ 1.5 V |
0.8 × VIN |
|
|
V |
| VIH |
High level input threshold voltage (EN) |
VIN > 1.5 V |
1.2 |
|
|
V |
| ILKG |
Input leakage current (EN) |
EN = GND or VIN |
|
0.01 |
0.1 |
μA |
| VOVP |
Output overvoltage protection |
|
4.0 |
|
4.5 |
V |