Electronic Components Datasheet Search |
|
MAX8742 Datasheet(PDF) 3 Page - Maxim Integrated Products |
|
MAX8742 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 33 page 500kHz Multi-Output Power-Supply Controllers with High Impedance in Shutdown _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (V+ = 15V, both PWMs on, SYNC = VL, VL load = 0, REF load = 0, SKIP = 0, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER CONDITIONS MIN TYP MAX UNITS SYNC = VL 95 97 Maximum Duty Factor SYNC = 0 (Note 2) 96.5 98 % SYNC Input High Pulse Width Not tested 200 ns SYNC Input Low Pulse Width Not tested 200 ns SYNC Rise/Fall Time Not tested 200 ns SYNC Input-Frequency Range 400 583 kHz Current-Sense Input Leakage Current V+ = VL = 0, CSL3 = CSH3 = CSL5 = CSH5 = 5.5V 0.01 10 µA FLYBACK CONTROLLER VDD Regulation Threshold Falling edge (MAX8742) 13 14 V SECFB Regulation Threshold Falling edge (MAX8741) 2.44 2.60 V DL Pulse Width VDD < 13V or SECFB < 2.44V 0.75 µs VDD Shunt Threshold Rising edge, hysteresis = 1% (MAX8742) 18 20 V VDD Shunt Sink Current VDD = 20V (MAX8742) 10 mA VDD Leakage Current VDD = 5V, off mode (Note 3) 30 µA 12V LINEAR REGULATOR (MAX8742) 12OUT Output Voltage 13V < VDD < 18V, 0 < ILOAD < 120mA 11.65 12.10 12.50 V 12OUT Current Limit 12OUT forced to 11V, VDD = 13V 150 mA Quiescent VDD Current VDD = 18V, run mode, no 12OUT load 50 100 µA INTERNAL REGULATOR AND REFERENCE VL Output Voltage SHDN = V+, RUN/ON3 = TIME/ON5 = 0, 5.4V < V+ < 30V, 0mA < ILOAD < 50mA 4.7 5.1 V VL Undervoltage-Lockout Fault Threshold Falling edge, hysteresis = 1% 3.5 3.6 3.7 V VL Switchover Threshold Rising edge of CSL5, hysteresis = 1% 4.2 4.5 4.7 V REF Output Voltage No external load (Note 4) 2.45 2.5 2.55 V 0 < ILOAD < 50µA 12.5 REF Load Regulation 0 < ILOAD < 5mA 100.0 mV REF Sink Current 10 µA REF Fault-Lockout Voltage Falling edge 1.8 2.4 V V+ Operating Supply Current VL switched over to CSL5, 5V SMPS on 5 50 µA V+ Standby Supply Current V+ = 5.5V to 30V, both SMPSs off, includes current into SHDN 30 60 µA V+ Standby Supply Current in Dropout V+ = 4.2V to 5.5V, both SMPSs off, includes current into SHDN 50 200 µA V+ Shutdown Supply Current V+ = 4.0V to 30V, SHDN = 0 4 10 µA MAX8742 2.5 4 Quiescent Power Consumption Both SMPSs enabled, FB3 = FB5 = 0, CSL3 = CSH3 = 3.5V, CSL5 = CSH5 = 5.3V MAX8741 1.5 4 mW |
Similar Part No. - MAX8742 |
|
Similar Description - MAX8742 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |