MAX8739ETP+ Maxim Integrated Products, MAX8739ETP+ Datasheet
MAX8739ETP+
Specifications of MAX8739ETP+
Related parts for MAX8739ETP+
MAX8739ETP+ Summary of contents
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... Notebook Computer Displays LCD Monitor Panels Automotive Displays Ordering Information PART TEMP RANGE PIN-PACKAGE 20 Thin QFN-EP* MAX8739ETP+ -40°C to +85°C (5mm x 5mm) + Denotes lead-free package Exposed pads. Pin Configuration appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’ ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers ABSOLUTE MAXIMUM RATINGS IN, CTL, FREQ, LDO to AGND .................................-0.3V to +6V COMP, FB, DEL to AGND ........................-0. PGND to AGND ..................................................................±0. PGND ............................................................-0.3V to +14V SUP to AGND ...
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ELECTRICAL CHARACTERISTICS (continued 2.5V 10V 28V, FREQ = CTL = IN, PGND = AGND = SUP SRC unless otherwise noted.) PARAMETER FB Load Regulation 0 < Line Regulation V ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers ELECTRICAL CHARACTERISTICS (continued 2.5V 10V 28V, FREQ = CTL = IN, PGND = AGND = SUP SRC unless otherwise noted.) PARAMETER V IN CTL ...
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ELECTRICAL CHARACTERISTICS (continued 2.5V 10V 28V, FREQ = CTL = IN, PGND = AGND = SUP SRC PARAMETER V IN FREQ Input-High Voltage V IN FREQ Pulldown Current V FREQ FB ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers ELECTRICAL CHARACTERISTICS (continued 2.5V 10V 28V, FREQ = CTL = IN, PGND = AGND = SUP SRC PARAMETER POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES ...
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Figure 2.5V 8V, FREQ = IN MAIN IN SUPPLY CURRENT vs. SUPPLY VOLTAGE 50 SWITCHING NOT SWITCHING SUPPLY VOLTAGE (V) STEP-UP ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers (Circuit of Figure 2.5V 8V, FREQ = IN MAIN TIMER DELAY LATCH RESPONSE TO OVERLOAD 53ms OA 10ms/div ...
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Figure 2.5V 8V, FREQ = IN MAIN OPERATIONAL-AMPLIFIER LOAD TRANSIENT RESPONSE 1µs/div A: OUTPUT VOLTAGE, AC-COUPLED, 2V/div B: OUTPUT CURRENT, 50mA/div OPERATIONAL-AMPLIFIER SMALL-SIGNAL STEP RESPONSE 4µs/div A: INPUT VOLTAGE, AC-COUPLED 50mV/div ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers PIN NAME 1 COM Internal High-Voltage MOSFET Switch Common Terminal Switch Input. Source of the internal high-voltage, p-channel MOSFET. Bypass SRC to PGND with a 2 SRC minimum of 0.1µF close to the ...
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Typical Application Circuit The MAX8739 typical application circuit (Figure 1) gen- erates a +8V source-driver supply and approximately +22V and -7V gate-driver supplies for TFT displays. The input-voltage range for the IC is from +1. GOFF -7V/20mA C13 ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers V IN Figure 2. Functional Diagram Table 1. Key Components List DESIGNATION DESCRIPTION 10µF, 6.3V X5R ceramic capacitor (1206) C1 TDK C3216X5ROJ106M 4.7µF, 10V X5R ceramic capacitors (1206) C2, C3 TDK C3216X5R1A475M 3A, ...
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Table 2. Component Suppliers SUPPLIER PHONE Fairchild 408-822-2000 Sumida 847-545-6700 TDK 847-803-6100 Toshiba 949-455-2000 inrush current. The output voltage can be set from V to 13V with an external resistive voltage-divider. The regulator controls the output voltage and the power ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers uted series capacitance and resistance, a load that can be easily driven by the operational amplifier. However, if the operational amplifier is used in an application with a pure capacitive load, steps must ...
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Undervoltage Lockout (UVLO) The undervoltage lockout (UVLO) circuit compares the input voltage at IN with the UVLO threshold (1.26V ris- ing and 1.1V falling) to ensure that the input voltage is high enough for reliable operation. The 200mV (typ) hysteresis ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers The equations used here include a constant LIR, which is the ratio of the inductor peak-to-peak ripple current to the average DC inductor current at the full load cur- rent. The best trade-off ...
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Typically, C can be reduced below the values used in the Typical IN Application Circuit. Ensure a low noise supply using adequate ...
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TFT, LCD, DC-DC Converter with Operational Amplifiers PC Board Layout and Grounding Careful PC board layout is important for proper opera- tion. Use the following guidelines for good PC board layout: 1) Minimize the area of high-current loops by placing ...
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... 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 ____________________ 19 © 2006 Maxim Integrated Products ...