MAX6457UKD0C-T Maxim Integrated, MAX6457UKD0C-T Datasheet
MAX6457UKD0C-T
Specifications of MAX6457UKD0C-T
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MAX6457UKD0C-T Summary of contents
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W-CDMA Upconverters and PA Drivers General Description The MAX6457–MAX6460 high supply voltage, low-power voltage monitors operate over 28V supply voltage range. Each device includes a precision bandgap refer- ence, one or two low-offset voltage comparators, internal threshold ...
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... MAX UNITS 7.5 µA 12.5 1.255 1.255 1.255 1.255 V 1.194 1.194 1.151 1.151 %V TH +55 nA µs 210 ms ms 0.4 V Maxim Integrated ...
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... Note 3: Startup time is the time required for the internal regulator and reference to reach specified accuracy after the monitor is powered up from GND. Note 4: The open-drain output can be pulled voltage greater than V Maxim Integrated CONDITIONS ≥ 1.5V 250µA, OUT asserted, ...
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... TRIP THRESHOLD VOLTAGE vs. TEMPERATURE (5% HYSTERESIS) 1.25 1.23 1. 1.19 1.17 1. (FALLING) TH 1.13 1. 110 125 -40 -25 - TEMPERATURE (°C) OUTPUT LOW VOLTAGE vs. OUTPUT SINK CURRENT T = +125° +25° -40° 12V CC 0.01 0 100 I (mA) SINK + (RISING 110 125 Maxim Integrated ...
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... TEMPERATURE (°C) MAXIMUM TRANSIENT DURATION vs. INPUT OVERDRIVE 300 250 200 150 100 INPUT OVERDRIVE (V Maxim Integrated Typical Operating Characteristics (continued) TIMEOUT PERIOD vs. TEMPERATURE 1000 100 MAX6457UKD3 10 1 MAX6457UKD0 0.1 0.01 -40 -25 - 125 TEMPERATURE (°C) ...
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... OUT goes high when V is above V IN- IN+ drops below V IN+ TH- . OUTA also goes low for V TH+ CC exceeds V and goes high IN- TH+ . OUTB also goes low when V TH drive CLEAR high to latch OUT high. > and V IN- . IN- and goes between drops Maxim Integrated ...
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... Figure 1. MAX6457 Functional Diagram V CC IN+ UV IN- OV HYSTERESIS OPTION 1.228V "UV": UNDERVOLTAGE "OV": OVERVOLTAGE GND Figure 3. MAX6459 Functional Diagram Maxim Integrated IN+ IN- LATCH OUT CLEAR Figure 2. MAX6458 Functional Diagram MAX6459 OUTA OUTB Figure 4. MAX6460 Functional Diagram MAX6457–MAX6460 SOT Packages Functional Diagrams ...
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... V REFD = reference output voltage (2.25V, typ), REF = divided reference desired trip thresh- TRIP V TRIP IN+ REF MAX6460 IN- REFD GND R4 V HYST TH ⎞ ⎟ ⎠ R PULLUP OUT OUT t TP Maxim Integrated ...
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... Latched-Output Operation The MAX6457 features a digital latch input (CLEAR) to latch any overvoltage event. If the voltage on IN below the internal threshold (V Maxim Integrated Hysteresis Timeout Period Figure 8. Undervoltage Lockout Typical Application Circuit 4V, OUT remains low regardless of the state of CLEAR. ...
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... CC , OUTA asserts low while OUTB TRIPLOW OUT MAX6458 ONLY R1 IN+ MAX6458 R2 MAX6459 R PULLUP IN- OUTA R3 OUTB MAX6459 ONLY GND LOAD R3 SCR ), TRIPHIGH falls CC R PULLUP OUT PULLUP OUTA OUTB Maxim Integrated ...
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... CC R1 MAX6457– MAX6460 IN+ (OUTA FOR MAX6459) R2 GND Figure 12. Monitoring Voltages Other than V Maxim Integrated , OUTB TRIPHIGH and TRIPLOW The following is an example for calculating R1, R2, and R3 of Figure 11 for window detection. Select the upper ⎞ and lower trip points (V ⎟ ...
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... MAX6457–MAX6460 High-Voltage, Low-Current Voltage Monitors in SOT Packages Table 1. Factory-Trimmed Internal Hysteresis and Timeout Period Options PART MAX6457UKD_ _ -T MAX6458UKD_ _ -T MAX6459UT_ -T MAX6460UT-T PIN PART COUNT MAX6457UKD0A-T 5 MAX6457UKD3A-T 5 MAX6457UKD0B-T 5 MAX6457UKD3B-T 5 MAX6457UKD0C-T 5 MAX6457UKD3C-T 5 MAX6458UKD0A-T 5 MAX6458UKD3A-T 5 MAX6458UKD0B-T 5 MAX6458UKD3B-T 5 MAX6458UKD0C-T 5 MAX6458UKD3C-T 5 MAX6459UTA-T 6 MAX6459UTB-T 6 MAX6459UTC-T ...
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... V MON be within the specified operating range TOP VIEW OUT GND OUTA GND Maxim Integrated The open-drain outputs of the MAX6457–MAX6460 allow the output voltage to be selected independent For systems requiring an output voltage other than CC Ω ...
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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 PACKAGE OUTLINE NO. TYPE CODE 5 SOT23 U5+1 21-0057 6 SOT23 U6+1 21-0058 LAND PATTERN NO. 90-0174 90-0175 Maxim Integrated ...
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... Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed ...