MAX856ESA-T Maxim Integrated Products, MAX856ESA-T Datasheet
MAX856ESA-T
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MAX856ESA-T Summary of contents
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... Up to 500kHz Switching Frequency ♦ ±1.5% Reference Tolerance Over Temperature ♦ Low-Battery Detector (LBI/LBO) ♦ 8-Pin SO and µMAX Packages ______________Ordering Information PART MAX856CSA MAX856CUA MAX856C/D MAX856ESA MAX856MJA MAX857CSA MAX857CUA MAX857C/D MAX857ESA MAX857MJA Ordering Information continued at end of data sheet. * Dice are tested at T † ...
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Adjustable-Output, Step-Up DC-DC Converters ABSOLUTE MAXIMUM RATINGS Supply Voltage (OUT to GND) ...................................-0.3V, +7V Switch Voltage (LX to GND) .......................................-0.3V, +7V — — — – LBO to GND ....................................................-0.3V, +7V – – LBI, ...
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ELECTRICAL CHARACTERISTICS (continued) (Circuits of Figure 2.5V LOAD – — — — – – – Input Voltage Low — — — – – – ...
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Adjustable-Output, Step-Up DC-DC Converters _____________________________Typical Operating Characteristics (continued) (Circuits of Figure +25°C, unless otherwise noted.) A REFERENCE VOLTAGE vs. CURRENT 100 150 ...
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Operating Characteristics (continued) (Circuits of Figure +25°C, unless otherwise noted.) A MAX856/MAX857 LINE-TRANSIENT RESPONSE (5V MODE) V OUT 50mV/div 2ms/div MAX859 LINE-TRANSIENT RESPONSE V OUT 50mV/div 1V/div 1ms/div ...
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Adjustable-Output, Step-Up DC-DC Converters ______________________________________________________________Pin Description PIN NAME MAX856 MAX857 MAX858 MAX859 – — — — – – – 2 — — REF 4 4 LBO ...
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MINIMUM OFF-TIME ONE-SHOT SHDN 3/5* MAXIMUM ON-TIME TRIG ONE-SHOT ONE-SHOT MAX856–MAX859 LBO LBI *MAX856/MAX858 ONLY **MAX857/MAX859 ONLY Figure 1. Block Diagram _______________________________________________________________________________________ 3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters TRIG Q ONE-SHOT F CURRENT-LIMIT COMPARATOR ERROR COMPARATOR ...
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Adjustable-Output, Step-Up DC-DC Converters Logic Inputs and Outputs The 3/5 input is internally diode clamped OUT, and should not be connected to signals outside this range. The SHDN input and LBO output (open- drain) are not clamped to ...
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Low-Battery Detection The MAX856 series contains an on-chip comparator for low-battery detection. If the voltage at LBI falls below the regulator’s internal reference voltage (1.25V), LBO (an open-drain output) sinks current to GND. The low- battery monitor’s threshold is set ...
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Adjustable-Output, Step-Up DC-DC Converters Table 1. Component Suppliers PRODUCTION INDUCTORS METHOD Surface Mount See Table 2 Miniature Sumida Through Hole RCH654-220 Renco RL 1284-22 Low-Cost Through Hole CoilCraft PCH-27-223 COMPANY PHONE AVX USA: (207) 282-5111 CoilCraft USA: (708) ...
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Table 2. Surface-Mount Inductor Information INDUCTANCE MANUFACTURER PART Sumida CDR105B-470 Sumida CDR74B-470 Sumida CD43-470 Sumida CD43-220 Murata-Erie LQH4N220 Murata-Erie LQH4N470 Murata-Erie LQH1N220 TDK NLC322522T-220K TDK NLC322522T-470K Coiltronics CTX20-1 Coilcraft DT1608-223 __Ordering Information (continued) PART TEMP. RANGE MAX858CSA 0°C to +70°C ...
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Adjustable-Output, Step-Up DC-DC Converters ________________________________________________________Package Information ______________________________________________________________________________________ C 0.101mm 0.004 in L 8-PIN MAX MICROMAX SMALL OUTLINE PACKAGE 0.101mm 0.004in Narrow ...