MAX4840AEXT+T Maxim Integrated Products, MAX4840AEXT+T Datasheet
MAX4840AEXT+T
Specifications of MAX4840AEXT+T
MAX4840AEXT+TTR
Related parts for MAX4840AEXT+T
MAX4840AEXT+T Summary of contents
Page 1
... ESD-Protected Input ♦ Voltage Fault FLAG Indicator ♦ 6-Pin SC70 and µDFN Packages ♦ Lead Free PART MAX4838AEXT+T MAX4838AELT+ MAX4840AEXT+T MAX4840AELT+ MAX4842AEXT+T MAX4842AELT+* Note: All devices specified for the -40°C to +85°C extended temperature range. *Future product—contact factory for availability. ...
Page 2
Overvoltage-Protection Controllers with Status FLAG ABSOLUTE MAXIMUM RATINGS IN to GND ..............................................................-0.3V to +30V GATE to GND ........................................................-0.3V to +12V EN, FLAG to GND ....................................................-0.3V to +6V Continuous Power Dissipation (T = +70°C) A 6-Pin SC70 (derate 3.1mW/°C above +70°C) ...
Page 3
Overvoltage-Protection Controllers with ELECTRICAL CHARACTERISTICS (continued +5V (MAX4838A/MAX4840A +25°C.) (Note 1) PARAMETER SYMBOL TIMING Startup Delay FLAG Blanking Time GATE Turn-On Time GATE Turn-Off Time FLAG Assertion Delay Initial Overvoltage Fault Delay Disable Time Note ...
Page 4
Overvoltage-Protection Controllers with Status FLAG (V = +5V (MAX4838A/MAX4840A unless otherwise noted.) MAX4842A GATE VOLTAGE vs. INPUT VOLTAGE 12 9 MAX4842A INPUT VOLTAGE (V) MAX4838A/MAX4840A ...
Page 5
Overvoltage-Protection Controllers with PIN NAME Input both the power-supply input and the overvoltage sense input. Bypass IN to GND with 1µF capacitor or larger. 2 GND Ground Fault Indication Output, Open-Drain, Active Low. FLAG is ...
Page 6
Overvoltage-Protection Controllers with Status FLAG IN GND EN Figure 5. Functional Diagram Detailed Description The MAX4838A/MAX4840A/MAX4842A provide up to +28V overvoltage protection for low-voltage systems. When the input voltage exceeds the overvoltage trip level, the MAX4838A/MAX4840A/MAX4842A turn off a low-cost ...
Page 7
Overvoltage-Protection Controllers with STANDBY GATE = 0 FLAG = LOW V > UVLO IN TIMER STARTS V < UVLO IN COUNTING t = 50ms OVLO CHECK GATE = 0 FLAG = LOW V < OVLO IN STARTUP GATE DRIVEN HIGH ...
Page 8
Overvoltage-Protection Controllers with Status FLAG Table 1. MOSFET Suggestions CONFIGURATION/ PART PACKAGE Si5902DC Dual/1206-8 Si1426DH Single/SC70-6 FDC6305N Dual/SSOT-6 FDC6561AN Dual/ SSOT-6 FDG315N Single/SC70-6 Since January 1996, all equipment manufactured and/or sold in the European community has been required to meet ...
Page 9
Overvoltage-Protection Controllers with 50Ω to 100Ω 330Ω DISCHARGE CHARGE-CURRENT- RESISTANCE LIMIT RESISTOR HIGH STORAGE VOLTAGE 150pF CAPACITOR DC SOURCE Figure 10. IEC 61000-4-2 ESD Test Model Pin Configurations TOP VIEW + IN 1 MAX4838A ...
Page 10
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.) Translation Table for Calendar Year Code TABLE 1 Calendar Year 2005 Legend: ...
Page 11
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 © 2006 Maxim Integrated Products ...