SLUUBH5A November 2016 – February 2022 TPS546C23
Table 2-1 lists the electrical performance specifications under room temperature 25°C.
Parameter | Test Conditions | MIN | TYP | MAX | Unit |
---|---|---|---|---|---|
Input Characteristics | |||||
Voltage range | VIN | 5 | 12 | 18 | V |
Maximum input current | VIN = 12 V, IO = 70 A | 8.5 | A | ||
No load input current | VIN = 12 V, IO = 0 A | 120 | mA | ||
Output Characteristics | |||||
Output voltage, VOUT | 1.2 | V | |||
Output load current, IOUT(1) | 0 | 70 | A | ||
Output voltage regulation | Line regulation: input voltage = 5 V to 18 V | 1% | |||
Load regulation: output current = 0 A to 70 A | 1% | ||||
Output voltage ripple, VOUT | VIN = 12 V, IOUT = 70 A | 10 | mVpp | ||
Output overcurrent protection threshold | Load current IOUT1, default setting of U1 | 42 | A | ||
Load current IOUT2, default setting of U2 | 42 | A | |||
Systems Characteristics | |||||
Switching frequency | VIN = 12 V | 500 | kHz | ||
Full load efficiency, VOUT(2) | VIN = 12 V, IOUT = 70 A | 86% | |||
Operating temperature | Tambient | 25 | °C | ||
PMBUS Interface and Pin-Strapping | |||||
U1 PMBUS address | Programmed by R33 and R35 | 27 | Decimal | ||
U2 PMBus address | Programmed by R37 and R36 | 36 | |||
U1 voltage reference | Default setting of VOUT_COMMAND | 600 | mV | ||
U2 voltage reference | Default setting of VOUT_COMMAND | 600 | |||
U1 soft-start time (TON_RISE) | Default setting of TON_RISE | 3 | ms | ||
U2 soft-start time (TON_RISE) | Default setting of TON_RISE | 3 |