MAX4840 MAXIM [Maxim Integrated Products], MAX4840 Datasheet
MAX4840
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MAX4840 Summary of contents
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... Additional features include a 15kV ESD-protected input (when bypassed with a 1µF capacitor) and a shutdown pin (EN) to turn off the device (MAX4838/MAX4840). All devices are offered in a small 6-pin SC70 package and are specified for operation from -40°C to +85°C. ...
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... IN SINK V OL ≥ OVLO 1mA IN SINK = 100µA, FLAG deasserted, I SOURCE V OH MAX4839/MAX4841 = 5.5V, FLAG deasserted, V FLAG I OH MAX4838/MAX4840 V MAX4838/MAX4840 IH V MAX4838/MAX4840 IL MAX4838/MAX4840 GND or 5.5V LKG Human Body Model ≥ 1µ IEC 1000-4-2 = +25°C.) (Note 1) MIN TYP MAX 1.2 28.0 3.0 3.25 3.5 50 7.0 7.4 7.8 5.5 5.8 6.1 100 80 = 5.4V 140 240 ...
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... FLAG V = 0.4V, Figure 2 FLAG V increasing from OVP Figure 3 GATE 2.4V 0.3V, EN GATE t DIS MAX4838/MAX4840, Figure 4 Typical Operating Characteristics REVERSE CURRENT vs. OUTPUT VOLTAGE 1000 SINGLE MOSFET 100 10 1 BACK-TO-BACK MOSFETS 0.1 30 3.5 4.0 4.5 5.0 OUTPUT VOLTAGE (V) Status FLAG = +25°C.) (Note 1) A MIN ...
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Overvoltage Protection Controllers with Status FLAG (V = +5V, MAX4838; Si9936DY external MOSFET in back-to-back configuration GATE VOLTAGE vs. INPUT VOLTAGE 11.0 10.5 10.0 9.5 9.0 5.0 5.1 5.2 5.3 INPUT VOLTAGE (V) POWER-UP RESPONSE 5V 0V 10V ...
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... Ground Fault Indication Output, Active Low. FLAG is asserted low during undervoltage lockout and overvoltage lockout conditions. FLAG is deasserted during normal operation. FLAG is open-drain on the MAX4838/MAX4840, and push-pull on the MAX4839/MAX4841. Gate-Drive Output. GATE is the output of an on-chip charge pump. When GATE is driven high to turn on the external N-channel MOSFET(s). ...
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... V IN The MAX4838 and MAX4840 have an open-drain FLAG output. Connect a pullup resistor from FLAG to the logic I/O voltage of the host system. EN Enable Input active-low enable input on the MAX4838 and MAX4840 only. Drive EN low or connect to ground to 6 _______________________________________________________________________________________ 5.5V 2x CHARGE GATE DRIVER REGULATOR ...
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... Status FLAG NMOS GATE V IO MAX4838– MAX4841 FLAG NOTE: EN AND PULLUP 2 GND RESISTOR ON MAX4838/ MAX4840 ONLY. MOSFET Selection specified for a V DS(ON) GS voltage. Also the V should be 30V for the DS Table 1 shows a selection of IN Bypass Considerations ESD Test Conditions OUTPUT of 4.5V 7 ...
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Overvoltage Protection Controllers with Status FLAG Table 1. MOSFET Suggestions CONFIGURATION/ PART PACKAGE Si9936DY Dual/SO8 Si5904DC Dual/1206-8 Si1426DH Single/SC70-6 FDC6305N Dual/SSOT-6 FDS8926A Dual/SO8 FDG315N Single/SC70-6 IRF7752 Dual/TSSOP-8 IRF7303 Dual/SO8 IRF7607 Single/Micro-8 Human Body Model Figure 8 shows the Human Body ...
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Overvoltage Protection Controllers with 50Ω to 100Ω 330Ω DISCHARGE CHARGE-CURRENT- RESISTANCE LIMIT RESISTOR HIGH STORAGE VOLTAGE 150pF CAPACITOR DC SOURCE Figure 10. IEC 1000-4-2 ESD Test Model Pin Configuration TOP VIEW IN 1 MAX4838– ...
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Overvoltage Protection Controllers with Status FLAG (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than ...