MAX8761ETG+ Maxim Integrated Products, MAX8761ETG+ Datasheet
MAX8761ETG+
Specifications of MAX8761ETG+
Related parts for MAX8761ETG+
MAX8761ETG+ Summary of contents
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... THIN QFN 4mm x 4mm Pin Configurations continued at end of data sheet. Dual Mode is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Low-Cost, Linear-Regulator LCD Panel Power Supplies ♦ ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies ABSOLUTE MAXIMUM RATINGS CTL, FBL, FBP, FBN, SHDN, REF, THR to GND........-0.3V to +6V MODE, DLP to GND ......................................-0. IN, INL to GND .........................................................-0.3V to +28V SUPCP, SUPB to GND.............................................-0.3V to +14V ...
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ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure INL SUPCP +25°C, unless otherwise noted.) PARAMETER OPERATIONAL AMPLIFIER (MAX8710/MAX8711/MAX8761) SUPB Supply Operating Range SUPB Supply Current Input Offset Voltage Input Bias Current Common-Mode Input Range Common-Mode ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure INL SUPCP +25°C, unless otherwise noted.) PARAMETER V DRVN n-Channel On-Resistance V FBN Fault Trip Level Rising edge Negative Charge-Pump Soft-Start ...
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ELECTRICAL CHARACTERISTICS (Circuit of Figure INL SUPCP MAX8761), unless otherwise noted.) (Note 1) PARAMETER REF Output Voltage SUPCP Input Supply Range Charge-Pump Regulators Operating Frequency LINEAR REGULATOR Dropout Voltage FBL Regulation Voltage FBL ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure INL SUPCP MAX8761), unless otherwise noted.) (Note 1) PARAMETER DRVN n-Channel On-Resistance SEQUENCE CONTROL SHDN Input Low Voltage SHDN Input High ...
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Figure INL SUPCP +25°C, unless otherwise noted.) MAX8761 LINEAR-REGULATOR LOAD REGULATION 0 10V OUTL V = 12V -0.4 INL -0.8 -1.2 -1.6 LOAD CURRENT (mA) -2.0 0 100 ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies (Circuit of Figure INL SUPCP +25°C, unless otherwise noted.) POSITIVE CHARGE-PUMP LINE REGULATION 0.2 0 -0.2 -0.4 -0.6 -0.8 20mA LOAD CURRENT -1 ...
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Figure INL SUPCP +25°C, unless otherwise noted.) REFERENCE vs. TEMPERATURE 0.2 0 -0.2 -0.4 -0.6 -40 - 100 TEMPERATURE (°C) MAX8710/MAX8711/MAX8761 OPERATIONAL- AMPLIFIER LARGE-SIGNAL STEP RESPONSE ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies PIN MAX8710/ MAX8711 MAX8712 MAX8761 1 — — 2 — — — — — — ...
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PIN MAX8710/ MAX8711 MAX8712 MAX8761 — — — — — — Typical Operating Circuit Figures 1, 2, and 3 are the Typical Operating Circuits of ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies AV DD 0.1µF 120kΩ 100kΩ OUTB MMBD4148SE (FAIRCHILD) 0.22µF 1µF GOFF R5 -5V/50mA 110kΩ 100kΩ 1% REF 0.47µF 51.1kΩ 5V/1mA 20kΩ SHDN Figure 1. MAX8710/MAX8761 Typical Operating Circuit 12 ______________________________________________________________________________________ IN GND ...
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AV DD 0.1µF 120kΩ 100kΩ OUTB MMBD4148SE (FAIRCHILD) 1µF GOFF -5V/50mA R5 110kΩ 100kΩ 1% REF 0.47µF 5V/1mA SHDN Figure 2. MAX8711 Typical Operating Circuit ______________________________________________________________________________________ Low-Cost, Linear-Regulator LCD Panel Power Supplies GND IN 10.8V TO 13.2V 0.1µF ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies MMBD4148SE (FAIRCHILD) 1µF GOFF R5 -5V/50mA 110kΩ 100kΩ 1% REF 0.47µF 5V/1mA 0.1µF SHDN Figure 3. MAX8712 Typical Operating Circuit reference voltage, the controller lowers the base current of the pnp transistor, ...
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REF GOFF VCOM CTL Figure 4. MAX8710/MAX8761 Functional Diagram ______________________________________________________________________________________ Low-Cost, Linear-Regulator LCD Panel Power Supplies IN INL MAX8710 GND MAX8761 REF REF OUTL LINEAR REG FBL FBN SUPCP OSC SHDN DRVN DRVP ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies The linear regulator is enabled whenever REF is in regula- tion and SHDN is logic high. Each time it is enabled, the linear regulator goes through a soft-start routine by ramp- ing up its ...
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C voltage across C plus a diode drop (V OUT(POS smaller than the level-shifted flying-capacitor DIODE voltage ( charge flows from C CX(POS) INPUT to C until diode ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies Power-Up Sequence and Shutdown Control When the MAX8710/MAX8711/MAX8712/MAX8761 are powered up, REF rises with the voltage on IN. After REF reaches regulation and if SHDN is logic high, the linear regulator, operational amplifier, and ...
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REF DLP Q4 0 REF REF 50µ MODE 1kΩ CTL Figure 6. MAX8710 High-Voltage Switch Control ______________________________________________________________________________________ Low-Cost, Linear-Regulator LCD Panel Power Supplies 5µA FAULT SHDN REF OK 1kΩ Q3 MAX8710 SRC Q1 GON ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies MAX8761 REF 50µ MODE 1kΩ CTL Figure 7. MAX8761 High-Voltage Switch Control 20 ______________________________________________________________________________________ FAULT REF SRC GON DRN THR ...
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Design Procedure Linear Regulator Output-Voltage Selection Adjust the linear-regulator output voltage by connecting a resistive voltage-divider from the linear-regulator out- put AV to GND with the center tap connected to FBL DD (Figure 1). Select the lower resistor of divider ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies ƒ 1 ƒ ZERO π OUTL where R1 is the upper resistor of the feedback divider and f is the unity gain frequency. The unity gain ...
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Charge-Pump Output Capacitor Increasing the output capacitance or decreasing the ESR reduces the output ripple voltage and the peak-to- peak transient voltage. With ceramic capacitors, the output voltage ripple is dominated by the capacitance value. Use the following equation to ...
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Low-Cost, Linear-Regulator LCD Panel Power Supplies PC Board Layout Guidelines Careful PC board layout is important for proper opera- tion. Use the following guidelines for good PC board layout: 1) Create a power ground island consisting of the lin- ear-regulator ...
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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. 25 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products ...