Electrical parameters have been measured using a 2.2 µH Taiyo Yuden inductor (LSCNB1608HKT2R2MD), CVBAT=10 µF, CVINT=22 µF, CVOUT=2.2 µF. TJ=-40°C to 105°C, VBAT=0.8 V to 3.4 V and TJ=25°C, VBAT=1.25 V for typical values (unless otherwise noted).
| Symbol | Description | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| VBATSTART | Regulator power stage input voltage range, cold start | 0.8 | 3.4 | V | |
| VBATOPER | Regulator core part input voltage range, operating | 0.7 | 3.4 | V | |
| VBATPT | Regulator core part input voltage range, Pass-through mode | 1.8 | 3.4 | V | |
| VOUTPROG | Programmable output voltage range (except Pass-through mode) | 1.8 to 3.3 | V | ||
| VOUTSTEP | Output voltage step | 50 | mV | ||
| VOUTLP | Average VOUT level in Low Power and Ultra-Low Power modes | VOUT.LVL + 0.05 | V | ||
| VOUTLP_RIPPLE | VOUT ripple in Low Power and Ultra-Low Power modes | 70 | mVp-p | ||
| IVOUT_MAX_PT | Maximum output current, Pass-through mode | 150 | mA | ||
| POUTMAX | Maximum output power, High Power mode (3.0<VOUT≤3.3 V, loaded VBAT≥1.25 V) | 450 | mW | ||
| IVOUT_MAX | Maximum output current, High Power mode (VOUT≤3.0 V, loaded VBAT≥1.25 V) | 150 | mA | ||
| CVBAT | Effective input capacitance on VBAT pin | 3.5 | µF | ||
| CVINT | Effective capacitance on VINT pin | 3.5 | µF | ||
| CVOUT | Effective capacitance on VOUT pin | 0.7 | 15 | µF | |
| VOUTACCURWC | Output voltage accuracy, High Power mode, includes line and load regulation (loaded VBAT≥1.25 V) | -5 | 5 | % | |
| VOUTACCUR | Output voltage accuracy, High Power mode, excluding load and line regulation (loaded VBAT=1.25 V, TJ=25°C) | -2 | 2 | % | |
| FBOOST | Switching frequency in High Power mode | 2 | MHz | ||
| EFFULP1V5 | Efficiency (VBAT=1.5 V, VOUT=1.8 V, IVOUT=0.1 mA, Ultra-Low Power mode) | 87 | % | ||
| EFFULP2V9 | Efficiency (VBAT=2.9 V, VOUT=3 V, IVOUT=0.1 mA, Ultra-Low Power mode) | 91 | % | ||
| EFFLP1V5 | Efficiency (VBAT=1.5 V, VOUT=1.8 V, IVOUT=10 mA, Low Power mode) | 88 | % | ||
| EFFLP2V9 | Efficiency (VBAT=2.9 V, VOUT=3 V, IVOUT=10 mA, Low Power mode) | 92 | % | ||
| EFFHP1V5 | Efficiency (VBAT=1.5 V, VOUT=1.8 V, IVOUT=110 mA, High Power mode) | 88 | % | ||
| EFFHP2V9 | Efficiency (VBAT=2.9 V, VOUT=3 V, IVOUT=110 mA, High Power mode) | 93 | % | ||
| ILIMBOOST | Input (valley) current limiter ILIM range, High Power mode | 100 to 800 | mA | ||
| ILIMSTEP | ILIM step (register setting) | 100 | mA | ||
| VBATMON | Input voltage monitoring: VBATMINL and VBATMINH range | 0.65 to 3.15 | V | ||
| VBATMINSTEP | Step for VBATMINL and VBATMINH | 50 | mV | ||
| VOUTMON | Threshold range for output voltage monitoring, VOUTMIN and VOUTWRN | 1.7 to 3.25 | V | ||
| VOUTSTEPSIZE | Step size for VOUTMIN and VOUTWRN | 50 | mV | ||
| OCPBOOST_PT | Overcurrent protection limit for the PMOS transistor in Pass-through mode | 325 | mA |