MAX17126BETM+ Electronics IC Chips Integrated Circuits IC Component

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