SLVS843B December 2008 – May 2018 TPS650250
PRODUCTION DATA.
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
VDCDC2 STEP-DOWN CONVERTER | |||||||
VI | Input voltage range, VINDCDC2 | 2.5 | 6 | V | |||
IO | Maximum output current | VO = 2.5V | 800 | mA | |||
ISD | Shutdown supply current in VINDCDC2 | EN_DCDC2 = GND | 0.1 | 1 | μA | ||
RDS(on) | P-channel MOSFET on-resistance | VINDCDC2 = VGS = 3.6V | 140 | 300 | mΩ | ||
ILP | P-channel leakage current | VINDCDC2 = 6.0V | 2 | μA | |||
RDS(on) | N-channel MOSFET on-resistance | VINDCDC2 = VGS = 3.6V | 150 | 297 | mΩ | ||
ILN | N-channel leakage current | VDS = 6V | 7 | 10 | μA | ||
ILIMF | Forward current limit (P- and N-channel) | 2.5V < VINDCDC2 < 6V | 1.05 | 1.16 | 1.29 | A | |
fS | Oscillator frequency | 1.95 | 2.25 | 2.55 | MHz | ||
VDCDC2 | Fixed output voltage MODE = 0 (PWM/PFM) | 1.8V | VINDCDC2 = 2.5V to 6V; 0 mA ≤ IO ≤ 1.6A | –2% | 2% | ||
2.5V | VINDCDC2 = 3V to 6V; 0 mA ≤ IO ≤ 1.6A | –2% | 2% | ||||
Fixed output voltage MODE = 1 (PWM) | 1.8V | VINDCDC2 = 2.5V to 6V; 0 mA ≤ IO ≤ 1.6A | –2% | 2% | |||
2.5V | VINDCDC2 = 3V to 6V; 0 mA ≤ IO ≤ 1.6A | –1% | 1% | ||||
Adjustable output voltage with resistor divider at DEFDCDC2 MODE = 0 (PWM) | VINDCDC2 = VDCDC2 + 0.5V (min 2.5V) to 6V; 0mA ≤ IO ≤ 1.6A | –2% | 2% | ||||
Adjustable output voltage with resistor divider at DEFDCDC2; MODE = 1 (PWM) | VINDCDC2 = VDCDC2 + 0.5V (min 2.5V) to 6V; 0mA ≤ IO ≤ 1.6A | –1% | 1% | ||||
Line regulation | VINDCDC2 = VDCDC2 + 0.3 V (min. 2.5 V) to 6V; IO = 10mA | 0.0 | %/V | ||||
Load regulation | IO = 10mA to 1.6A | 0.25 | %/A | ||||
tSS | Soft start ramp time | VDCDC2 ramping from 5% to 95% of target value | 750 | μs | |||
R(L2) | Internal resistance from L2 to GND | 1 | MΩ |