 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
MAX5992A Datasheet(PDF) 4 Page - Maxim Integrated Products |
|
|
|||||||||||||||||||||||||||||
MAX5992A Datasheet(HTML) 4 Page - Maxim Integrated Products |
|
|
4 / 23 page  VIN = (VDD - VSS) = 48V, RDET = 24.9kΩ, RCLS = 615Ω, RSL = 60.4kΩ, all other pins unconnected. All voltages are referenced to VSS, unless otherwise noted. TA = TJ = -40°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted. (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VIN Turn-On Voltage VON VIN rising, ADJ_UVLO unconnected MAX5992A 37 38.6 40 V MAX5992B 34.3 35.4 36.6 VON_IND VIN rising, ADJ_UVLO pulldown to VSS (industrial UVLO) 20 20.8 21.5 V VIN Turn-Off Voltage VOFF VIN falling, ADJ_UVLO unconnected 30 V VIN Turn-On/Turn-Off Hysteresis VHYST_ UVLO ADJ_UVLO unconnected (Note 5) 3.2 V VIN Turn-On/Turn-Off Industrial Hysteresis VHYST_IND VIN falling, ADJ_UVLO pulldown to VSS 1.8 V VIN Deglitch Time tOFF_DLY VIN falling from 40V to 20V (Note 6) 30 120 µs Inrush to Operating Mode Delay tDELAY Minimum time period when PG is disconnected from VDD after entering power-on mode 90 100 110 ms Current-Limit Timer tLIM Once in power-on mode, external isolation MOSFET is turned off if current-limit condition persists for tLIM (Note 7) MAX5992A, MAX5992B 7.2 8 8.8 ms Restart Timer tRESTART After external isolation MOSFET is turned off due to a current-limit condition, the device waits tRESTART before reentering inrush mode 1.5 s RTN Leakage Current IRTN_LKG VRTN - VSS = 10V to 60V 60 85 µA RJ45 12V Mode (MAX5992B) RJ45 12V Threshold VTH_RJ45 VIN rising 8.1 8.7 9.3 V RJ45 12V Threshold Hysteresis VHYST_RJ45 VIN falling 1 V RJ45 12V Turn-On Delay tRJ45 External isolation MOSFET is turned on if VIN > VTH_RJ45 for more than tRJ45; counter is disabled when VIN > VUVLO or when VIN crosses the RJ45 12V falling threshold 1.8 s CURRENT LIMIT Inrush-Current Limit VINRUSH VSENSE - VSS, during tDELAY period, RSENSE = 100mΩ 10 15 20 mV Current-Limit Clamp Voltage (Power-On Mode) VLIM After inrush completed, maximum VSENSE during current-limit condition, VRTN = 1V, RSENSE = 100mΩ CL_SEL unconnected 72 80 88 mV CL_SEL pulled down to VSS 170 190 210 DC Electrical Characteristics (continued) MAX5992A/MAX5992B Multisource, High-Power, High-Performance Powered Device Controllers www.maximintegrated.com Maxim Integrated │ 4 |
|
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
