MAX17126BETM+ Electronics IC Chips Integrated Circuits IC Component
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MAX17126B Electronics IC Chips Integrated Circuits IC Component High-Speed, Digitally Adjusted Step-Down Controllers for Notebook
CPUs
Features ♦ Ultra-High Efficiency ♦ No Current-Sense Resistor (Lossless ILIMIT) ♦ Quick-PWM with 100ns Load-Step Response ♦ ±1% VOUT Accuracy over Line and Load ♦ 4-Bit On-Board DAC (MAX1710)
♦ 5-Bit On-Board DAC (MAX1711/MAX1712) ♦ 0.925V to 2V Output Adjust Range (MAX1711/MAX1712) ♦ 2V to 28V Battery Input Range ♦ 200/300/400/550kHz Switching Frequency ♦ Remote GND and VOUT Sensing
♦ Over/Undervoltage Protection ♦ 1.7ms Digital Soft-Start ♦ Drive Large Synchronous-Rectifier FETs ♦ 2V ±1% Reference Output ♦ Power-Good Indicator
♦ Small 24-Pin QSOP Package
Applications • Portable Equipment • A/D Converter Driver • Photo Diode Pre-amp • Analog Filters • Data Acquisition • Notebooks and PDAs • Sensor Interface
MAXIMUM RATINGS (Voltages Referenced to VSS)
ABSOLUTE MAXIMUM RATINGS V+ to GND..............................................................-0.3V to +30V VCC, VDD to GND .....................................................-0.3V to +6V PGND to GND.....................................................................±0.3V SHDN, PGOOD to GND ...........................................-0.3V to +6V OVP, ILIM, FB, FBS, CC, REF, D0–D4, GNDS, TON to GND..............................-0.3V to (VCC + 0.3V) SKIP to GND (Note 1).................................-0.3V to (VCC + 0.3V) DL to PGND................................................-0.3V to (VDD + 0.3V) BST to GND............................................................-0.3V to +36V DH to LX .....................................................-0.3V to (BST + 0.3V) LX to BST..................................................................-6V to +0.3V REF Short Circuit to GND...........................................Continuous Continuous Power Dissipation (T A = +70°C) 24-Pin QSOP (derate 9.5mW/°C above +70°C)..........762mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature......................................................+150°C Storage Temperature Range .............................-65°C to +165°C Lead Temperature (soldering, 10s) .................................+300°C |
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