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MAX14693 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX14693 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 19 page  Electrical Characteristics (continued) (VIN = 5.5V to 58V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VIN = 12V, TA = +25°C) (Note 4) Note 4: All devices are 100% production-tested at TA = +25ºC. Specifications over the operating temperature range are guaranteed by design. Note 5: Not production-tested, user-adjustable. See the Overvoltage Lockout (OVLO) and Undervoltage Lockout (UVLO) sections. Note 6: All timing is measured using 20% and 80% levels, unless otherwise specified. Note 7: The autoretry time-to-blanking time ratio is fixed and is equal to 30. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SETI RSETI x ILIM VRI See the Setting the Current-Limit Threshold section 1.5 V Current Mirror Output Ratio CIRATIO 25000 DYNAMIC PERFORMANCE (Note 6) Switch Turn-On Time tON VIN = 24V, switch OFF to ON, RLOAD = 240Ω, ILIM = 1A, COUT = 4.7µF, VOUT from 20% to 80% of VIN 68 µs OVP Switch Response Time tOVP_RES 3 µs Overcurrent Switch Response Time tOCP_RES ILIM = 4A 3 µs Startup Timeout tSTO Initial start current-limit foldback timeout (Figure 1) 1090 1200 1320 ms Startup Initial Time tSTI Current is continuously limited to 1x/1.5x/2x in this interval (Figure 1) 21.8 24 26.4 ms IN Debounce Time tDEB Interval between VIN > VUVLO and VOUT = 10% of VIN (Figure 2) 1 1.5 2.1 ms Blanking Time tBLANK (Figures 3 and 4) 21.8 24 26.4 ms Autoretry Time tRETRY (Figure 3, Note 7) 554 720 792 ms THERMAL PROTECTION Thermal Foldback TJ_FB 150 ºC Thermal Shutdown TJ_MAX 165 ºC Thermal Shutdown Hysteresis 10 ºC MAX14691–MAX14693 High-Accuracy, Adjustable Power Limiter www.maximintegrated.com Maxim Integrated │ 4 |
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