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MAX1533AETJ Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX1533AETJ Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 38 page High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1, VIN = 12V, both SMPS enabled, VCC = 5V, FSEL = REF, SKIP = GND, VILIM_ = VLDO5, VINA = 15V, VLDOA = 12V, ILDO5 = ILDO3 = ILDOA = no load, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Output Undervoltage-Protection Trip Threshold With respect to error-comparator threshold 65 70 75 % Output Undervoltage Fault- Propagation Delay tUVP 50mV overdrive 10 µs Output Undervoltage-Protection Blanking Time tBLANK From rising edge of ON_ 6144 / fOSC s PGOOD Lower Trip Threshold With respect to error-comparator threshold, hysteresis = 1% -14 -10 -7.5 % PGOOD Propagation Delay tPGOOD_ Falling edge, 50mV overdrive 10 µs PGOOD Output Low Voltage ISINK = 4mA 0.4 V PGOOD Leakage Current IPGOOD_ High state, PGOOD forced to 5.5V 1 µA PGDLY Pullup Current PGDLY = GND 4 5 6 µA PGDLY Pulldown Resistance 10 25 Ω PGDLY Trip Threshold REF- 0.2 REF REF+ 0.2 V Thermal-Shutdown Threshold TSHDN Hysteresis = 15 °C +160 °C GATE DRIVERS DH_ Gate-Driver On-Resistance RDH BST_ - LX_ forced to 5V 1.5 5 Ω DL_, high state 1.7 5 DL_ Gate-Driver On-Resistance RDL DL_, low state 0.6 3 Ω DH_ Gate-Driver Source/Sink Current IDH DH_ forced to 2.5V, BST_ - LX_ forced to 5V 2A DL_ Gate-Driver Source Current IDL DL_ forced to 2.5V 1.7 A DL_ Gate-Driver Sink Current IDL (SINK) DL_ forced to 2.5V 3.3 A DL_ rising 35 Dead Time tDEAD DH_ rising 26 ns LX_, BST_ Leakage Current VBST_ = VLX_ = 26V <2 20 µA INPUTS AND OUTPUTS High 2.4 Logic Input Voltage SKIP, hysteresis = 600mV Low 0.8 V High 0.7 x VCC Fault Enable Logic Input Voltage OVP, UVP, ONA Low 0.4 V Logic Input Current OVP, UVP, SKIP, ONA -1 +1 µA Rising trip level 1.10 1.6 2.20 SHDN Input Trip Level Falling trip level 0.96 1 1.04 V Clear fault level/SMPS off level 0.8 Delay start level (REF) 1.9 2.1 ON_ Input Voltage SMPS on level 2.4 V |
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