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MAX1632CAI Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1632CAI Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 29 page Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (V+ = 15V, both PWMs on, SYNC = VL, VL load = 0mA, REF load = 0mA, SKIP = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) V+ = VL = 0V, CSL3 = CSH3 = CSL5 = CSH5 = 5.5V µA 0.01 10 Not tested Current-Sense Input Leakage Current Not tested Rising edge, hysteresis = 1% (Note 3) VDD < 13V or SECFB < 2.44V V 18 20 µs 1 Falling edge (MAX1631/MAX1634) DL Pulse Width Falling edge (Note 3) VDD Shunt Threshold V 2.44 2.60 V 13 14 CONDITIONS VDD Regulation Threshold SECFB Regulation Threshold VDD = 20V (Note 3) VDD = 5V, off mode (Notes 3, 4) µA 30 VDD Leakage Current mA 10 VDD Shunt Sink Current ns 200 ns 200 SYNC Input High Pulse Width SYNC Input Low Pulse Width 13V < VDD < 18V, 0mA < ILOAD < 120mA V 11.65 12.1 12.50 12OUT Output Voltage UNITS MIN TYP MAX PARAMETER Not tested ns 200 SYNC Rise/Fall Time kHz 240 350 SYNC Input Frequency Range VDD = 18V, run mode, no 12OUT load 12OUT forced to 11V, VDD = 13V µA 50 100 mA 150 12OUT Current Limit Quiescent VDD Current Rising edge of CSL5, hysteresis = 1% Falling edge, hysteresis = 1% V 4.2 4.5 4.7 V 3.5 3.6 3.7 VL Undervoltage Lockout Fault Threshold VL Switchover Threshold SHDN = V+, RUN/ON3 = TIME/ON5 = 0V, 5.3V < V+ < 30V, 0mA < ILOAD < 50mA V 4.7 5.1 VL Output Voltage Falling edge V 1.8 2.4 µA 10 REF Sink Current REF Fault Lockout Voltage V+ = 4V to 24V, SHDN = 0V V+ = 4.2V to 5.5V, both SMPSs off, includes current into SHDN µA 410 µA 50 200 V+ Standby Supply Current in Dropout V+ Shutdown Supply Current V+ = 5.5V to 30V, both SMPSs off, includes current into SHDN VL switched over to CSL5, 5V SMPS on µA 30 60 µA 550 V+ Operating Supply Current V+ Standby Supply Current 0µA < ILOAD < 50µA No external load (Note 5) 12.5 V 2.45 2.5 2.55 REF Output Voltage 2.5 4 Both SMPSs enabled, FB3 = FB5 = 0V, CSL3 = CSH3 = 3.5V, CSL5 = CSH5 = 5.3V mW 1.5 4 Quiescent Power Consumption (Note 3) MAX1631/ MAX1634 0mA < ILOAD < 5mA mV 100.0 REF Load Regulation FLYBACK CONTROLLER 12V LINEAR REGULATOR (Note 3) INTERNAL REGULATOR AND REFERENCE |
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