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MAX15026 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX15026 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 23 page Low-Cost, Small, 4.5V to 28V Wide Operating Range, DC-DC Synchronous Buck Controller 4 _______________________________________________________________________________________ PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS LIM Reference Current ILIM VLIM = 0.3V to 3V (Note 4) 45 50 55 µA LIM Reference Current Tempco VLIM = 0.3V to 3V 2300 ppm/°C Number of Consecutive Current- Limit Events to Hiccup 7 Events Soft-Start Timeout 4096 Switching Cycles Soft-Start Restart Timeout 8192 Switching Cycles Hiccup Timeout Out of soft-start 4096 Switching Cycles Peak Low-Side Sink Current Limit Sink limit = 1.5V, RLIM = 30k Ω (Note 4) 75 mV BOOST Boost Switch Resistance VIN = VCC = 5V, IBST = 10mA 3 8 Ω POWER-GOOD OUTPUT PGOOD Threshold Rising 90 94.5 97.5 %VFB PGOOD Threshold Falling 88 92 94.5 %VFB PGOOD Output Leakage ILEAK_PGD VIN = VPGOOD = 28V, VEN = 5V, VFB = 1V -1 +1 µA PGOOD Output Low Voltage VPGOOD_L IPGOOD = 2mA, EN = GND 0.4 V THERMAL SHUTDOWN Thermal-Shutdown Threshold Temperature rising +150 °C Thermal-Shutdown Hysteresis Temperature falling 20 °C ELECTRICAL CHARACTERISTICS (continued) (VIN = 12V, RRT = 27kΩ, RLIM = 30kΩ, CVCC = 4.7µF, CIN = 1µF, TA = -40°C to +85°C (MAX15026B/CETD+, MAX15026BETD/V+), TA = TJ = -40°C to +125°C (MAX15026B/C/DATD+), unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) Note 2: All devices are 100% tested at room temperature and guaranteed by design over the specified temperature range. Note 3: Select RRT as: where fSW is in Hertz. Note 4: TA = +25°C. Note 5: 10ns for MAX15026B, 18ns for the MAX15026C/D. Note 6: 10ns for MAX15026B, 20ns for the MAX15026C/D. R 17.3 10 f 1x10 )x(f RT 9 SW 7 SW = × + − () 2 |
Similar Part No. - MAX15026_12 |
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Similar Description - MAX15026_12 |
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