MAX16928CGUP/V+T Maxim Integrated, MAX16928CGUP/V+T Datasheet
MAX16928CGUP/V+T
Specifications of MAX16928CGUP/V+T
Related parts for MAX16928CGUP/V+T
MAX16928CGUP/V+T Summary of contents
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... Automotive Dashboards Automotive Central Information Displays Automotive Navigation Systems True Shutdown is a trademark of Maxim Integrated Products, Inc. For related parts and recommended products to use with this part, refer to: For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com. ...
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... REF Output Voltage REF Load Regulation REF Undervoltage Lockout Threshold OSCILLATOR Spread-Spectrum Factor Maxim Integrated GND to PGNDP ....................................................-0.3V to +0.3V Continuous Power Dissipation (T TSSOP (derate 26.5mW/NC above +70NC)................2122mW Operating Temperature Range ........................ -40NC to +105NC Junction Temperature Range ........................... -40NC to +150NC Storage Temperature Range ............................ -65NC to +150NC Lead Temperature (soldering, 10s) ...
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... FBGH Load Regulation FBGH Line Regulation FBGH Input Bias Current GH Output Current GH Current Limit GH Soft-Start Time NEGATIVE-GATE VOLTAGE REGULATOR (GL) Output Voltage Range FBGL Regulation Voltage PGOOD Threshold Maxim Integrated = T = -40NC to +105NC, typical values are SYMBOL CONDITIONS f SW Duty cycle = 70%, ...
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... Note 3: 50% of the soft-start voltage time is due to the soft-start ramp and the other 50% is due to the settling of the output voltage. Note 4: After the voltage at CP exceeds this overvoltage threshold, the entire circuit switches off and autoretry is started. Note 5: Guaranteed by design; not production tested. Note 6: FB power good is indicated by PGOOD. The condition V Maxim Integrated = T = -40NC to +105NC, typical values are ...
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... INPUT VOLTAGE (V) LINE REGULATION (BOOST) 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 3.0 3.5 INPUT VOLTAGE (V) 50mA TO 450mA LOAD-TRANSIENT RESPONSE 450mA 50mA Maxim Integrated Typical Operating Characteristics = -6V 3.3V +25NC, unless otherwise noted.) GL REG A EFFICIENCY vs. LOAD CURRENT (BOOST) 100 3.3V INA 5.5 0 100 200 300 LOAD CURRENT (mA) 4 ...
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... V VOLTAGE (V) CP LOAD REGULATION (3.3V REGULATOR) 0 -0.05 -0.10 -0.15 -0.20 -0.25 -0.30 -0.35 EXTERNAL NPN TRANSISTOR USED -0. 100 150 LOAD CURRENT (mA) Maxim Integrated Typical Operating Characteristics (continued) = -6V 3.3V +25NC, unless otherwise noted.) GL REG SEQ INA MAX16928 toc08 V ENP 5V/div V GH 5V/div V SH ...
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... No Connection. Not internally connected. 11 PGOOD Open-Drain Power-Good Output. Connect PGOOD to INA through an external pullup resistor. Positive-Gate Voltage Regulator Power Input. Connect CP to the positive output of the external charge 12 CP pump. Ensure that V Characteristics table. Maxim Integrated TOP VIEW + ENP ...
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... The device is factory-trimmed to provide a variety of power options to meet the most common automotive TFT-LCD display power requirements, as outlined in the Ordering Information table. Maxim Integrated FUNCTION and V power up. See Table 1 for supply sequencing options. GL The boost converter employs a current-mode, fixed- frequency PWM architecture to maximize loop bandwidth and provide fast transient response to pulsed loads typical of TFT-LCD panel source drivers ...
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... OSCILLATOR MAX16928 Figure 1. Boost Converter Functional Diagram Maxim Integrated slope compensation exceeds the COMPV voltage, the controller turns off the MOSFET. The inductor current then flows through the diode to the output. The MOSFET remains off for the rest of the clock cycle. ...
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... PGOOD low, turns off all outputs, and starts the autoretry timer. Maxim Integrated If either condition occurs, the device pulls PGOOD low and turns off all outputs immediately. The device initi- ates startup only after the fault has cleared. ...
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... Maxim Integrated Use the enable input (ENP) to enable and disable the boost section of the device. Connect ENP to INA for normal operation and to GND to place the device in shut- down. In shutdown, the INA supply current is reduced to 0.5FA. When enabled, the boost output ramps up from V its set voltage ...
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... C OUT where I and D are the input current and duty cycle INA given above. Maxim Integrated The catch diode should be a Schottky type to minimize its voltage drop and maximize efficiency. The diode must be capable of withstanding a reverse voltage of at least V SH rating greater than: V × ...
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... INA needs least 4.5V for the 3.3V regulator to operate properly LXP Figure 2. Multistage Charge Pump for Positive Output Voltage Maxim Integrated COMPV For most applications, a single charge-pump stage is sufficient, as shown in the Connect the flying capacitors to LXP. The output voltages generated on the storage capacitors are given by: ...
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... OUT_CN pump the duty cycle of the boost converter the load current of the charge pump, f LOAD_CN is the switching frequency of the boost converter, and Maxim Integrated V RIPPLE_CN ripple. is the dropout = 0.3V for the DROPOUT Use high-speed silicon switching diodes with a current ...
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... The transconductance amplifier, the pass transistor, the base-emitter resistor, and the output capacitor determine the loop stability. Maxim Integrated The transconductance amplifier regulates the output volt- with the following age by controlling the pass transistor’s base current. The ...
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... Table list of recommended minimum output capaci- tance for the negative-gate voltage regulator and is appli- cable for output currents in the 10mA to 15mA range. Maxim Integrated is Table 3. Minimum Output Capacitance vs. BE Output Voltage Range for Negative-Gate ...
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... RISING VOLTAGE V (V) INA SLEW RATE, K (V/ns) R-V 3.3 0.52 5 1.35 Maxim Integrated voltage regulator. Estimate the power dissipated in the (voltage fall negative-gate voltage regulator using the following: F-V (current fall time), F-I where V bipolar transistor, and I DRVN to the R transistor, which is given by: The power dissipated in the 1.8V/3.3V regulator controller ...
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... Exposed pad. Chip Information PROCESS: BiCMOS Maxim Integrated 3) Keep the high-current paths as short and wide as possible. Keep the path of switching currents short. 4) Place the feedback resistors as close as possible to the device. Connect the negative end of the resistive divider and the compensation network to the analog ground plane ...
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... Automotive TFT-LCD Power Supply with Boost Converter and Gate Voltage Regulators LXP Maxim Integrated 3V TO 5.5V C COMP1 INA COMPI OPTIONAL DR 1.8V/3.3V REGULATOR CONTROLLER FB 1.8V/3. POSITIVE GATE VOLTAGE REGULATOR FBGH INA PGOOD ENP CONTROL SEQ MAX16928 Typical Operating Circuit R COMPV C COMPV ...
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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 ...