| Parameters | 401CMQ | Units | Conditions |
| VFM Max. Forward Voltage Drop | 067 | v | @200A | Ti=25 0C |
| (Per Leg) ' See Fig. 1 (1) | 0 78 | V | @400A |
| 0 56 | V | @200A | |
| 068 | V | @400A | T= 125 0C |
| IRM Max. Reverse LeakageCurrent | 20 | mA | Ti=25 0C | |
| (Per Leg) ' See Fig. 2 (1) | 180 | mA | T1=1250C | VR= rated VR |
| CT Max. Junction Capacitance (Per Leg) | 10 300 | pF | VR = 5VDC, (test signal range 100Khz t0 1Mhz) 250C |
| Ls TypicaISerieslnductance (PerLeg) | 50 | nH | From top of terminal hole to mounting plane |
| dv/dt Max. Voltage Rate of Change | 10000 | VUS | (Rated VR) |
| VRMS InsulationVoltage | 1000 | V | |
| | | | |
Operating Temperature Range MAX675C .,...... ... OoC to+70'C MAX675E ......... . -400C to+850C MAX675M ........ .,....... -550C to +1250C Lead Temperature (Soldering, 60 sec) ....... +3000C DICE Junction Temperature (Tt) ... -650C to +1500C Output Short-Circuit Duration
PC1458008 on stock Key Features Battery feed characteristics programmable via external resistors; feed characteristics independent of SLIC battery supply variations Battery supply voltage as low as 24 V for power efficient line card designs Ring relay driver Loop current, ground key and ring trip detection functions
| PARAMETER | CONDITIONS | MIN TYP MAX | UNITS |
| Minimum Start-Up Voltage | ILOAD=1rriA | | 0.85 1 | V |
| Minimum Operating Voltage | SHDN = VIN (Note 4) | | 0.5 0.65 | V |
| Output Voltage Adjust Range | | | 2.5 5 | V |
| Feedback Voltage | | q | 1.192 1.23 1.268 | V |
| Feedback Input Current | VFB = 1.25V (Note 3) | | 1 | nA |
| Quiescent Current (Burst Mode Operation) | VFB = 1.4V (Note 5), LTC3400 0nly | | 19 30 | |
| Quiescent Current (Shutdown) | VSHDN = OV, Not Including Switch Leakage | | 0.01 1 | |
| Ouiescent Current (Active) | Measured On VOUT | | 300 500 | |
| NMOS Switch Leakage | Vsw= 5V | | 0.1 5 | |
| PMOS Switch Leakage | Vsw= Ov | | 0.1 5 | |
| NMOS Switch On Resistance | VOUT = 3.3V VOUT = 5V | | 0.35 0.20 | l l |
| PMOS Switch On Resistance | VOUT = 3.3V VOUT = 5V | | 0.45 0.30 | l l |
| NMOS Current Limit | | | 600 850 | mA |
| Burst Mode Operation Current Threshold | LTC3400 0nly (Note 3) | | 3 | mA |
| Current Limit Delay to Output | (Note 31 | | 40 | ns |
| Max Duty Cycle | VFB=1.1 5V | q | 80 87 | % |
| Switching Frequency | | q | 0.95 1.2 1.5 0.85 1.2 1.5 | MHz MHz |
| SHDN Input High | | | 1 | V |
| SHDN Input Low | | | 0.35 | V |
| SHDN Input Current | VSHDN= 5.5V | | 0.01 1 | |
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