SLVSCE3A June 2014 – June 2014 TPS82740A , TPS82740B
PRODUCTION DATA.
Refer to the PDF data sheet for device specific package drawings
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |||
---|---|---|---|---|---|---|---|---|
SUPPLY | ||||||||
VIN | Input voltage range | 2.2 | 5.5 | V | ||||
IQ | Operating quiescent current | EN = VIN, CTRL = GND, IOUT = 0µA, VOUT = 1.8V / 2.6V, device not switching | 360 | 2300 | nA | |||
EN = VIN, IOUT = 0mA, CTRL = GND, VOUT = 1.8V device switching | 460 | |||||||
EN = VIN, IOUT = 0mA, CTRL = GND, VOUT = 2.6V, device switching | 500 | |||||||
EN = VIN, IOUT = 0mA., CTRL = VIN, VOUT = 1.8V, device not switching | 12.5 | µA | ||||||
EN = VIN, IOUT = 0mA., CTRL = VIN, VOUT = 2.6V, device not switching | 13.5 | |||||||
ISD | Shutdown current | EN = GND, shutdown current into VIN | 70 | nA | ||||
EN = GND, shutdown current into VIN, TA = 60°C | 150 | |||||||
VTH_UVLO+ | Undervoltage lockout threshold | Rising VIN | 2.075 | 2.15 | V | |||
VTH_UVLO- | Falling VIN | 1.925 | 2 | |||||
INPUTS EN, CTRL, VSEL 1-3 | ||||||||
VIH TH | High level input threshold | 2.2V ≤ VIN ≤ 5.5V | 1.1 | V | ||||
VIL TH | Low level input threshold | 2.2V ≤ VIN ≤ 5.5V | 0.4 | V | ||||
IIN | Input bias Current | TA = 25°C | 10 | nA | ||||
TA = –40°C to 85°C | 25 | |||||||
POWER SWITCHES | ||||||||
ILIMF | High side MOSFET switch current limit | 2.2V ≤ VIN ≤ 5.5V | 430 | mA | ||||
Low side MOSFET switch current limit | 430 | mA | ||||||
OUTPUT DISCHARGE SWITCH (VOUT) | ||||||||
RDSCH_VOUT | MOSFET on-resistance | EN = GND, IOUT = -10mA into VOUT pin | 30 | 65 | Ω | |||
IIN_VOUT | Bias current into VOUT pin | EN = VIN, VOUT = 2V / 2.8V, CTRL = GND | TA = 25°C | 40 | 660 | nA | ||
TA = –40°C to 85°C | 1570 | |||||||
LOAD OUTPUT (LOAD) | ||||||||
RLOAD | High side MOSFET on-resistance | ILOAD = 50mA, CTRL = VIN, VOUT = 2.0V / 2.8V, 2.2 V ≤ VIN ≤ 5.5V | 0.6 | 1.25 | Ω | |||
RDSCH_LOAD | Low side MOSFET on-resistance | CTRL = GND, 2.2V ≤ VIN ≤ 5.5V, ILOAD = - 10mA | 30 | 65 | ||||
tRise_LOAD | VLOAD rise time | Starting with CTRL low to high transition, time to ramp VLOAD from 0V to 95%, VOUT = 1.8V / 2.6V, 2.2V ≤ VIN ≤ 5.5V, ILOAD = 1mA, TA = 25°C | 315 | 800 | µs | |||
AUTO 100% MODE TRANSITION | ||||||||
VTH_100+ | Auto 100% Mode exit detection threshold (1) | Rising VIN,100% Mode is left with VIN = VOUT + VTH_100+ , max value at TJ = 85°C | 170 | 250 | 340 | mV | ||
VTH_100- | Auto 100% Mode enter detection threshold (1) | Falling VIN, 100% Mode is entered with VIN = VOUT + VTH_100-, max value at TJ = 85°C | 110 | 200 | 280 | |||
OUTPUT | ||||||||
tStartup_delay | Regulator start up delay time | From transition EN = low to high until device starts switching | 10 | 25 | ms | |||
tSoftstart | Softstart time with reduced switch current limit | 2.2V ≤ VIN ≤ 5.5V, EN = VIN | 400 | 1200 | µs | |||
ILIM_softstart | High side MOSFET switch current limit | Reduced switch current limit during softstart | 80 | 150 | 200 | mA | ||
Low side MOSFET switch current limit | 150 | |||||||
VVOUT | Output voltage range | Output voltages are selected with pins VSEL1, VSEL2, VSEL3 | TPS82740A | 1.8 | 2.5 | V | ||
TPS82740B | 2.6 | 3.3 | ||||||
Output voltage accuracy | IOUT = 10mA, VOUT = 1.8V / 2.6V | -2.5 | 0 | 2.5 | % | |||
IOUT = 100mA, VOUT = 1.8V / 2.6V | –2 | 0 | 2 | |||||
DC output voltage load regulation | VOUT = 1.8V / 2.6V, CTRL = VIN | 0.001 | %/mA | |||||
DC output voltage line regulation | VOUT = 1.8V / 2.6V, CTRL = VIN, IOUT = 10 mA, 2.5V ≤ VIN ≤ 5.5V | 0 | %/V |