MAX6792 MAXIM [Maxim Integrated Products], MAX6792 Datasheet
MAX6792
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MAX6792 Summary of contents
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... All devices are available with either a fixed watchdog timeout period of 280ms (min peri- od adjustable with an external capacitor. The MAX6791/MAX6792 feature a windowed watchdog timeout period with selectable window ratio. The watch- dog feature can be disabled. The MAX6791–MAX6794 provide dual enable inputs (ENABLE1 and ENABLE2) that control each regulator independently ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ABSOLUTE MAXIMUM RATINGS (All pins referenced to GND, unless otherwise noted GND ...............................................................-0.3V to +80V ENABLE, ENABLE1, ENABLE2, PFI, GATEP to GND .........................................-0. GATEP to IN ...........................................................-12V to ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ELECTRICAL CHARACTERISTICS (continued 14V 1µ 10µ OUT (Note 1) PARAMETER SYMBOL V Output Voltage V Output Voltage V (MAX6791–MAX6794) SET/SET1 Threshold Voltage Adjustable ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ELECTRICAL CHARACTERISTICS (continued 14V 1µ 10µ OUT (Note 1) PARAMETER SYMBOL Short-Circuit Output Current Limit (Note 4) Thermal-Shutdown Temperature Thermal-Shutdown Hysteresis Line Regulation ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ELECTRICAL CHARACTERISTICS (continued 14V 1µ 10µ OUT (Note 1) PARAMETER SYMBOL RESET OUTPUT Reset Threshold (Preset Output Voltage) Reset Threshold (Adjustable Output Voltage) ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ELECTRICAL CHARACTERISTICS (continued 14V 1µ 10µ OUT (Note 1) PARAMETER SYMBOL LOGIC INPUT (WDS0, WDS1, WD-DIS, WDI) Input-Voltage Low Input-Voltage High Input Current ...
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... SHUTDOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE 40 MAX6793/MAX6794 110 125 SUPPLY VOLTAGE (V) DROPOUT VOLTAGE vs. TEMPERATURE 1600 MAX6792 1400 OUT LOAD 1200 1000 800 600 400 200 0 95 110 125 -40 -25 - TEMPERATURE (°C) OUTPUT VOLTAGE vs. LOAD CURRENT 6 ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ( 14V 0.1µ 10µ OUT NORMALIZED RESET TIMEOUT PERIOD vs. TEMPERATURE 1.03 MAX6796 1.02 1.01 1.00 0.99 0.98 -40 -25 -10 ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ( 14V 0.1µ 10µ OUT RESET TIMEOUT PERIOD vs. C CSRT 10,000 1000 100 10 1 0.1 0.0001 0.001 0.01 C ...
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... Ground Active-Low Reset Output. reset threshold. remains low for the duration of the reset timeout period after the reset conditions end. open-drain options. LOAD-TRANSIENT RESPONSE MAX6791-96toc22 100mA/div 20mA 500mV/div MAX6792 OUT1 C = 10µF OUT 1ms/div Pin Description FUNCTION asserts low deasserts when PFI is ...
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... MAX6793–MAX6796: A falling or rising transition must occur on WDI within the selected watchdog timeout period or a reset pulse occurs. The watchdog timer clears when a transition occurs on WDI or whenever MAX6791/MAX6792: WDI falling and rising transitions within periods shorter WDI than t or longer than t ...
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... High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions PIN MAX6791/ MAX6793/ MAX6795/ MAX6792 MAX6794 MAX6796 10, 13, 14, — — — — — 3 — — 20 — — — Detailed Description The MAX6791–MAX6796 ultra-low-quiescent-current, single-/dual-output, high-input-voltage linear regulators operate from 5V to 72V. The MAX6791–MAX6794 fea- ture dual regulators that deliver up to 150mA of load current per output ...
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... High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ENABLE2 IN GATEP ENABLE1 CONTROL LOGIC HOLD ______________________________________________________________________________________ MAX6791/MAX6792 THERMAL PROTECTION OVERCURRENT PROTECTION 1.23V 124mV RESET TIMEOUT 1.138V OR RESET 1.076V WATCHDOG TIMEOUT GND PFI Functional Diagrams OUT2 OUT1 SET1 RESET CSRT WDI CSWT WDS0 ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions ENABLE2 IN GATEP ENABLE1 CONTROL LOGIC HOLD 14 ______________________________________________________________________________________ Functional Diagrams (continued) MAX6793/MAX6794 THERMAL PROTECTION OVERCURRENT PROTECTION 1.23V 124mV RESET TIMEOUT 1.138V OR RESET 1.076V WATCHDOG TIMEOUT GND PFI OUT2 OUT1 SET1 ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions IN GATEP ENABLE CONTROL LOGIC HOLD ______________________________________________________________________________________ Functional Diagrams (continued) THERMAL MAX6795/MAX6796 PROTECTION OVERCURRENT PROTECTION 1.23V 124mV RESET TIMEOUT 1.138V OR RESET 1.076V WATCHDOG TIMEOUT GND PFI OUT SET RESET CSRT WDI ...
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... RESET toggles prior asserts. The watchdog resumes counting after RESET deasserts. The MAX6791/MAX6792 have a windowed watchdog timer that asserts RESET for the adjusted reset timeout period when the watchdog recognizes a fast watchdog fault (t < slow watchdog fault (t ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions Applications Information Output Voltage Selection The MAX6791–MAX6796 feature dual-mode operation: these devices operate in either a preset voltage mode or an adjustable mode. In preset voltage mode, internal trimmed feedback resistors set ...
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... One way to disable the watchdog timer is to drive WD-DIS low for the MAX6793–MAX6796 and drive WDS0 high and WDS1 low for the MAX6791/MAX6792. This prevents the capacitor from ramping up. Finally, ⎞ V ...
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... PFO. ______________________________________________________________________________________ Stability Figure 4. Ensuring RESET Valid Figure 5. Setting Power-Fail Comparator to Monitor Since TRIP R6 Figure 6. Adding Hysteresis Power-Fail Comparator MAX6792 MAX6794 MAX6796 RESET GND = TERM IN MAX6791 PFI PFO GND IN V ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions Table 1. Preset Output Voltage and Reset Threshold PART OUTPUT RESET THRESHOLD SUFFIX (_) VOLTAGE (V) L 5.0 M 5.0 T 3.3 S 3.3 Z 2.5 Y 2.5 W 1.8 V 1.8 ...
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... MAX6791TPSD2+ 3.3 MAX6792TPLD2+ 5.0 MAX6792TPSD2+ 3.3 MAX6793TPLD2+ 5.0 MAX6793TPSD2+ 3.3 MAX6794TPLD2+ 5.0 MAX6794TPSD2+ 3.3 MAX6795TPLD2+ 5.0 MAX6795TPSD2+ 3.3 MAX6796TPLD2+ 5.0 MAX6796TPSD2+ 3.3 + Denotes lead-free package. PART RESET OUTPUT MAX6791TP_D_ Open drain MAX6792TP_D_ Push-pull MAX6793TP_D_ Open drain MAX6794TP_D_ Push-pull MAX6795TP_D_ Open drain MAX6796TP_D_ Push-pull ______________________________________________________________________________________ RATIO 8 16 Watchdog disabled 64 RESET TIMEOUT PERIOD (ms) (NOMINAL) 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12 ...
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... RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE 20 TQFN-EP 22 ______________________________________________________________________________________ 12V BATT GATEP IN IN ENABLE1 PFI ENABLE2 MAX6791/MAX6792 GND RESET HOLD WDS1 WDS0 RESET I/O I/O TXD V CC µC INT ...
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... High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions TOP VIEW PFI MAX6791/MAX6792 GATEP 19 20 ENABLE1 + THIN QFN 5mm x 5mm TOP VIEW ______________________________________________________________________________________ TOP VIEW 11 10 WDS0 PFI WDS1 9 8 RESET 7 GND GATEP 6 CSRT ENABLE1 5 15 ...
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High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions REVISION REVISION NUMBER DATE 0 10/05 Initial release 1 8/06 Correct text in data sheet. 2 10/11 Added /V automotive-qualified part to data sheet Maxim cannot assume responsibility for use of any ...