MAX1672EEE+T Maxim Integrated Products, MAX1672EEE+T Datasheet
MAX1672EEE+T
Specifications of MAX1672EEE+T
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MAX1672EEE+T Summary of contents
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... ILIM REF PGND GND ________________________________________________________________ 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. Step-Up/Down DC-DC Converter ____________________________Features Step-Up/Down Voltage Conversion 1.8V to 11V Input Range 3.3V/5V or Adjustable Output Voltage Range ...
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Step-Up/Down DC-DC Converter in QSOP Package ABSOLUTE MAXIMUM RATINGS IN, PS, LX, OUT, PGO to GND ......................... -0.3V to +11.5V ILIM, ONA, ONB, FB, 3/5, REF, PGI to GND......................................-0. PGND to GND .......................................................-0.3V to +0.3V OUT Short Circuit ...
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ELECTRICAL CHARACTERISTICS (continued 6V 0.1µ 4.7µ REF OUT PARAMETER Thermal Shutdown Threshold Thermal Shutdown Hysteresis PGI/PGO COMPARATOR PGI Input Bias Current V PGI Hysteresis T A PGI Threshold Voltage T A PGO ...
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Step-Up/Down DC-DC Converter in QSOP Package (T = +25°C, unless otherwise noted.) A MAXIMUM OUTPUT CURRENT vs. INPUT VOLTAGE (V = 5V) OUT 400 MAXIMUM RECOMMENDED OUTPUT CURRENT 300 ILIM = PS (0.8A) 200 ILIM = GND (0.5A) 100 0 ...
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A OUTPUT RIPPLE (HEAVY LOAD) MAX1672-13 10 s/div (20mV/div, AC COUPLED) OUT B: I (500mA/div 2.7V 250mA OUT ______________________________________________________________Pin Description PIN NAME 1 LX ...
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Step-Up/Down DC-DC Converter in QSOP Package REF ERROR AMP INPUT MONITOR OUT PS REF ONA REFERENCE GENERATOR REF + OFFSET ONB REF FB 70mV 3/5 PGO REF PGI Figure 1. Functional Diagram 6 _______________________________________________________________________________________ T ON FIXED ...
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Description The MAX1672 integrates a step-up, switch-mode DC- DC converter with a linear regulator to provide step- up/down voltage conversion. The step-up converter contains an N-channel power MOSFET switch, while the linear regulator contains a P-channel MOSFET pass element ...
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Step-Up/Down DC-DC Converter in QSOP Package __________________Design Procedure Output Voltage Selection For fixed output voltages of 3.3V or 5V, connect 3 GND and connect FB to GND (Table 2). Alternatively, adjust the output voltage from 1.25V to ...
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Table 3. Suggested Inductor Values ILIM 3/5 0 (5V) 0 (0.5A) 0 (5V) 1 (0.8A) 1 (3.3V) 0 (0.5A) 1 (3.3V) 1 (0.8A) Capacitor Selection The equivalent series resistance (ESR) of both bypass and filter capacitors affects efficiency and output ...
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Step-Up/Down DC-DC Converter in QSOP Package __________Applications Information Using a Single, Pushbutton On/Off Switch A single pushbutton switch can be used to turn the MAX1672 on and off. As shown in Figure 3, ONA is pulled low and ONB is ...
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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 ____________________ 11 © 2002 Maxim Integrated Products ...