MAX16126/MAX16127 Load-Dump/Reverse-Voltage Protection Circuits Electrical Characteristics (continued) (VIN = 12V, CGATE-SOURCE = 1nF, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS Startup Response Time tSTART (Note 3) 150 µs Autoretry Timeout tRETRY 150 ms GATE Rise Time tRISE VGATE rising (GND to VSRC + 8V) 1 ms OVSET-to-GATE Propagation Delay t VOVSET rising (VTH - 100mV to OVG VTH + 100mV) 0.55 µs UVSET-to-GATE Propagation Delay t VUVSET falling (VTH + 100mV to UVG VTH - 100mV) 20 µs MAX16126 4 Output Input Resistance to GND ROUT MΩ MAX16127 2 OVSET-to-FLAG Propagation Delay t VOVSET rising (VTH - 100mV to OV VTH + 100mV) 0.3 µs VIN = VSRC = VOUT = 3V, IGATE = -1µA 4.25 5 5.5 VIN = VSRC = VOUT = 12V, GATE Output Voltage High Above IGATE = -1µA 8 9 10 V VGS V SRC VIN = VSRC = VOUT = 24V, IGATE = -1µA 7 8.5 10 VIN = VSRC = VOUT = 30V, IGATE = -1µA 6.25 8 9.5 GATE Pulldown Current IPD VGATE = 12V 8.8 mA GATE Charge-Pump Current IGATE VIN = VGATE = VSRC = 12V 180 µA Thermal Shutdown T+ +145 °C Thermal-Shutdown Hysteresis ΔT 15 °C SHDN Logic-High Input Voltage VIH 1.4 V SHDN Logic-Low Input Voltage VIL 0.4 V SHDN Input Pulse Width tPW 6 µs SHDN Input Pulldown Current ISPD 0.8 1.2 µA FLAG Output Voltage Low VOL FLAG sinking 1mA 0.4 V FLAG Leakage Current IIL VFLAG = 12V 0.5 µA Note 2: All parameters are production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design. Note 3: The MAX16126/MAX16127 power up with the external MOSFETs in off mode (VGATE = VSRC). The external MOSFETs turn on tSTART after the IC is powered up and all input conditions are valid. www.analog.com Analog Devices │ 3
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