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MAX14913 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX14913 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 30 page  (VDD = +10V to +36V, V5 = +4.5V to +5.5V, VL = +1.6V to +5.5V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C and VDD = +24V, CDCDC = 10µF, LDCDC = 100µH, CFLY = 200nF, CPUMP = 10µF, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS V5/VL Supplies V5 Supply Voltage (Supplied Externally) V5 4.5 5.5 V V5 Supply Current (V5 Supplied Externally) IV5 HS mode, EN = high, OUT_ outputs high, no load, no LEDs connected 2.2 3.2 mA PP mode, EN = high, OUT_ switching at 100kHz, no load, no LEDs connected 8.5 11 mA V5 Undervoltage-Lockout Threshold VV5_UV VDD = 24V, V5 rising 3.8 4.2 V V5 Undervoltage-Lockout Hysteresis VV5_UVHYST VDD = 24V 0.3 V VL Supply Voltage VL 1.6 5.5 V VL Supply Current IVL All logic inputs high or low 24 35 µA VL Undervoltage-Lockout Threshold VL_UV VL falling 1.12 1.27 1.52 V 5V DC-DC REGULATOR Undervoltage-Lockout Threshold of the DC-DC Regulator VDCDC_UVLO VDD rising 6.6 V Undervoltage-Lockout Threshold of the DC-DC Regulator Hysteresis VDCDC_ UVLOHY 0.5 Output Regulated Voltage VDCDC 0mA to 90mA external load current 4.85 5.0 5.15 V Current Limit ICL_DCDC 100 mA Turn-On Time TON_DCDC Delay from VDD crossing the UVLO threshold until the DC-DC regulator finishes soft-start 3.0 3.4 3.7 ms Switching Frequency fDCDC 540 600 660 kHz DRIVER OUTPUTS (OUT_) HS Mode On-Resistance ROUT_HS HS mode, HS = on, IOUT_ = -500mA (Note 6) 110 230 mΩ HS Mode Current Limit ILIM EN = high, HS = on, VOUT__ = VDD -1V 0.64 0.87 1.2 A HS Mode Current-Limit V/I Slope (See Overcurrent and Short-Circuit Protection section) 150 Ω HS Mode Weak Pulldown Current ILKG High-side mode, OL detect = off, HS = off, 7V < VOUT_ < VDD 65 100 135 µA MAX14912/MAX14913 Octal High-Speed, High-Side Switch/Push-Pull Driver www.maximintegrated.com Maxim Integrated │ 4 Electrical Characteristics (continued) |
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