MAX8758ETJ Maxim Integrated Products, MAX8758ETJ Datasheet
MAX8758ETJ
Specifications of MAX8758ETJ
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MAX8758ETJ Summary of contents
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... Exposed pad. +Denotes lead-free package. Pin Configuration appears 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. ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD ABSOLUTE MAXIMUM RATINGS IN, SHDN, CTL, LDO to GND ...................................-0.3V to +6V SUPB, LX, OUT to GND..........................................-0.3V to +14V OUTB, NEGB, POSB to GND ..................-0.3V to (SUPB + 0.3V) ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD ELECTRICAL CHARACTERISTICS (continued +3V, OUT = +10V, FREQ = GND, T SHDN IN PARAMETER LX Leakage Current LX Current Limit Current-Sense Transresistance SS Source Current ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD ELECTRICAL CHARACTERISTICS (continued +3V, OUT = +10V, FREQ = GND, T SHDN IN PARAMETER Output Voltage Swing High Output Voltage Swing Low Slew Rate -3dB ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD ELECTRICAL CHARACTERISTICS (continued +3V, OUT = +10V, FREQ = GND, T SHDN IN PARAMETER Oscillator Maximum Duty Cycle FB Regulation Voltage FB Transconductance LX On-Resistance ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD = 8.5V, FREQ = SHDN = IN, T (Circuit of Figure 3.3V MAIN STEP-UP REGULATOR EFFICIENCY vs. LOAD CURRENT (V = 8.5V) MAIN 95 ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD = 8.5V, FREQ = SHDN = IN, T (Circuit of Figure 3.3V MAIN STEP-UP REGULATOR PULSED LOAD TRANSIENT RESPONSE L = 4.7µ ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD = 8.5V, FREQ = SHDN = IN, T (Circuit of Figure 3.3V MAIN OP-AMP LARGE-SIGNAL STEP RESPONSE MAX8758 toc17 V OUTB 2V/div 1µs/div HIGH-VOLTAGE ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD PIN NAME 1 GND Analog Ground Internal High-Voltage-Switch Common Connection. GON is the output of the high-voltage-switch- control block. GON is internally pulled to PGND through a 1kΩ resistor ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD Typical Operating Circuit The typical operating circuit (Figure 1) of the MAX8758 is a power-supply solution for TFT LCD panels in note- book computers. The circuit generates a +8.5V ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD V IN Figure 2. Functional Diagram Table 1. Component List DESIGNATION DESCRIPTION 3.3µF ±10%, 6.3V X5R ceramic capacitors C1, C2 (0603) TDK C1608X5R0J335M 4.7µF ±20%, 10V X5R ceramic capacitors ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD Table 2. Component Suppliers SUPPLIER Fairchild Semiconductor Sumida TDK Toshiba The internal n-channel power MOSFET reduces the number of external components. The supply rail of the internal gate driver ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD The soft-start timing can be adjusted with an external capacitor connected between SS and GND. After the step-up regulator is enabled, the SS pin is immediately charged to 0.5V. ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD Activate the first mode by connecting MODE to LDO. When CTL is logic high, Q1 turns on and Q2 turns off, connecting GON to SRC. When CTL is logic ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD DLP 0 REF REF R 50µA 4R MODE 1kΩ CTL Figure 4. Switch Control ______________________________________________________________________________________ REF 5µA FAULT Q4 SHDN REF_OK 1kΩ ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD In Figure 1’s Typical Operating Circuit, the LCD’s gate- on and gate-off voltages are generated from two unreg- ulated charge pumps driven by the step-up regulator’s LX node. The ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD Step-Up Regulator Input Capacitor Selection The input capacitor reduces the current peaks drawn from the input supply and reduces noise injection into the IC. Two 10µF ceramic capacitors are ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD Charge-Pump Flying Capacitors Increasing the flying capacitor (C6, C17, C18) value lowers the effective source impedance and increases the output-current capability. Increasing the capaci- tance indefinitely has a negligible ...
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Step-Up Regulator with Switch Control and Operational Amplifier for TFT LCD Pin Configuration TOP VIEW MAX8758 THIN QFN 4mm x 4mm ______________________________________________________________________________________ TRANSISTOR COUNT: ...
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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. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products Package Information ...