| SYMBOL | PARAMETER | CONDITIONS | MIN TYP MAX | UNIT |
| lQ | Input DC Supply Current (Note 4) | Active Mode LTC1174: 4V < VIN < 12V, IPGM = OV LTC1174HV: 4V < VIN < 16V, IPGM = OV | | 450 600 450 600 | |
| Sleep Mode LTC1174: 4V < VIN < 12V LTC1174HV: 4V < VIN < 16V | | 130 180 130 180 | |
| SHUTDOWN (Note 4) LTC1174: VSHUTDOWN = OV, 4V < VIN < 12V LTC1174HV: VSHUTDOWN = OV, 4V < VIN < 16V | | 1 10 2 25 | |
| VLBTRIP | Low-Battery Trip Point | | | 1 25 1.4 | |
| ILBIN | Current into Pin 3 | | | 0.5 | |
| ILBOUT | Current Sunk by Pin 2 | LTC1174: VLBOUT = 0.4V LTC1174HV: VLBOUT = 0.4V | | 1.0 1.2 1.5 0.6 0.8 1.5 | m m |
| VHYST | Comparator Hysteresis | LTC1174/LTC1174HV | | 7.5 1 5 30 | m1 |
| IPEAK | Current Limit | IPGM = VIN, VOUT = OV IPGM = OV, VOUT = OV | q q | 0.54 0.60 0.78 0.27 0.34 0.50 | |
| RON | ON Resistance of Switch | LTC1174 LTC1174HV | q q | 0.75 1.30 0.90 1.55 | |
| tOFF | Switch Off-Time (Note 6) | VOUT at Regulated Value | | 3 4 5 | d |
| VIH | SHUTDOWN Pin High | Minimum Voltage at Pin 8 for Device to Be Active | | 1.2 | |
| VIL | SHUTDOWN Pin Low | Maximum Voltage at Pin 8 for Device to Be in Shutdown | | 0.75 | |
| llH | SHUTDOWN Pin Input Current | LTC1174: VSHUTDOWN= 12V LTC1174HV: VSHUTDOWN= 16V | | 0.5 2.0 | c |
| IIL | SHUTDOWN Pin Input Current | 0VSHUTDOWN0.8V | | 0.5 | |
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