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MAX25430 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX25430 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 120 page  Electrical Characteristics (continued) (VIN = 14V, VHVEN = VIN, VVCONN = 5V, VVDD_IO = 3.3V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = 25°C. (Note 3)) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DL1, DL2 Leakage Current IDL_LKG VDL1 = VDL2 = 0V to 5V, TA = +25°C 1 μA DH1 Leakage Current IDH1_LKG VDH1 = VLX1 = 0V, TA = +25°C 1 μA DH2 Leakage Current IDH2_LKG VDH2 = VLX2 = 0V, TA = +25°C 1 μA BUCK-BOOST OSCILLATOR Buck-Boost Oscillator Switching Frequency fsw FSW[1:0] = 00b 220 kHz FSW[1:0] = 01b 300 FSW[1:0] = 10b 400 FSYNC External CLK Input FSYNCI Minimum sync pulse width is the percentage of the internal CLK frequency set by FSW & duty cycle >= 30% 80 120 % Spread Spectrum SPS SS_SEL[1:0] = 01b +/-3 % SS_SEL[1:0] = 10b +/-6 SS_SEL[1:0] = 11b +/-9 Slope Compensation Peak Ramp Voltage VSLOPE_PK Peak Ramp Voltage per switching period. Default setpoint shown. Programmable from 100mV to 800mV in steps of 100mV with SLP[2:0] register. 400 mV BUCK-BOOST CURRENT SENSE Input Current Limit Threshold VOC1 VCSP1 - VCSN1 rising 50 60 mV Output Runaway Limit Threshold VOC2 VCSP2 - VOUT rising, VOUT > 0V 75 90 mV CS Negative Limit Threshold VOC3 |VCSP2 - VOUT| rising, VOUT > 4.5V -26 -20 -14 mV Output Overcurrent Detection Threshold ILIM_OUT_PRG RCS2 = 2.5mΩ VOUT_ILIM[1:0] = 00b 3.3 A VOUT_ILIM[1:0] = 01b 4.3 VOUT_ILIM[1:0] = 10b and 11b 6 Output DC Current Shutdown Detection Threshold IOUT_OCP RCS2 = 2.5mΩ 7.5 A CABLE COMPENSATION Cable Comp Loop Gain- VADJ 10mV < VOUT - VCSN2 < 100mV, GAIN[5:0] = 111111b 25 V/V R-Cable Adjustment /LSB RCOMP_LSB 8 mΩ HVEN & SYNC I/O Pins VIH Threshold VIH VHVEN or VSYNC Rising 2.0 V VIL Threshold VIL VHVEN or VSYNC Falling 0.5 V MAX25430 Automotive 100W USB-PD Buck-Boost Port Controller and Protector www.maximintegrated.com Maxim Integrated | 4 |
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