The MAX9736A/B/D Class D amplifiers provide high-performance, thermally efficient amplifier solutions. The MAX9736A delivers 2 x 15W into 8Ω loads, or 1 x 30W into a 4Ω load. The MAX9736B/D deliver 2 x 6W into 8Ω loads or 1 x 12W into a 4Ω load.These devices operate from 8V to 28V and provide a high PSRR, eliminating the need for a regulated power supply. The MAX9736 offers up to 88% efficiency at 12V supply.Pin-selectable modulation schemes select between filterless modulation and classic PWM modulation. Filterless modulation allows the MAX9736 to pass CE EMI limits with 1m cables using only a low-cost ferrite bead and capacitor on each output. Classic PWM modulation is optimized for best audio performance when using a full LC filter.A pin-selectable stereo/mono mode allows stereo operation into 8Ω loads or mono operation into 4Ω loads. In mono mode, the right input op amp becomes available as a spare device, allowing flexibility in system design. Comprehensive click-and-pop reduction circuitry minimizes noise coming into and out of shutdown or mute.Input op amps allow the user to create summing amplifiers, lowpass or highpass filters, and select an optimal gain.The MAX9736A/B/D are available in 32-pin TQFN packages and specified over the -40°C to +85°C temperature range.ApplicationsAll-in-One PCsLCD/PDP/CRT MonitorsLCD/PDP/CRT TVsMP3 Docking StationsNotebook PCsPC Speakers

The MAX20050–MAX20053 are high-brightness LED (HBLED) drivers for automotive exterior lighting applications.Consisting of a fully synchronous step-down converterwith integrated MOSFETs, the devices are capable ofdriving a series string of LEDs at up to 2A, with a minimumnumber of external components. The MAX20050/MAX20052 utilize internal loop compensation to minimizecomponent count, while the MAX20051/MAX20053/MAX20053D useexternal compensation for full flexibility.The wide 4.5V to 65V input supply range supports extremeautomotive cold crank and load-dump conditions. A low- andhigh-switching frequency option (400kHz or 2.1MHz)provides the designer with the flexibility to optimize forsolution size or efficiency, while avoiding interferencewithin the AM band. Spread spectrum provides furtheroptions for the designer to reduce EMI at the system level.The MAX20050/MAX20051 have an internal switchingfrequency of 400kHz, while the MAX20052/MAX20053have an internal switching frequency of 2.1MHz. In addition,the MAX20051B has spread spectrum disabled.High-side current regulation means only a singleconnection to the LED string is required; grounding of thestring can be done locally. In addition to PWM dimming,the ICs provide analog dimming using the REFI pin. Fullscalecurrent regulation accuracy is ±2.5%, while theaccuracy is ±8% at 10% of full-scale over the full temperaturerange of -40°C to +125°C. A 5V, 10mA LDO output isavailable for biasing other circuits.Fault-protection mechanisms include output overload,short-circuit, and device overtemperature protection. Thedevices are specified for operation over the full -40°C to+125°C temperature range and are available in thermallyenhanced 12-pin (3mm x 3mm) TDFN and 14-pin (5mm x4.4mm) TSSOP packages with an exposed pad. Design Solution: Driver Monitoring Systems Need a New Breed of IR-LEDDrivers ›ApplicationsClearance Lamps (CLLs)Commercial, Industrial, and Architectural LightingCorner Lamps (CLs)Daytime Running Lamps (DRLs)Driver Monitoring Systems (DMS)Fog LampsHead LampsRear Lamps

The MAX11905 is a 20-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The MAX11905 provides excellent static and dynamic performance with best-in-class power consumption that directly scales with throughput. The device has a unipolar differential ±VREF input range. Supplies include a 3.3V supply for the reference buffers, a 1.8V analog supply, a 1.8V digital supply, and a 1.5V to 3.6V digital interface supply.This ADC achieves 98.3dB SNR and -123dB THD, guarantees 20-bit resolution with no-missing codes and 6 LSB INL (max).The MAX11905 communicates data using a SPI-compatible serial interface. The MAX11905 is offered in a 20-pin, 4mm x 4mm, TQFN package and is specified over the -40°C to +85°C operating temperature range.ApplicationsAutomatic Test EquipmentBattery-Powered EquipmentData Acquisition SystemsMedical InstrumentationProcess Control and Industrial AutomationTelecommunicationsTest and Measurement

The MAX12934-MAX12935 are fast, low-power, 2-channel digital galvanic isolators using Maxim’s proprietary process technology. These devices transfer digital signals between circuits with different power domains while using as little as 0.65mW per channel at 1Mbps with a 1.8V supply.The two channels of the MAX12935 transfer data in opposite directions, making the MAX12935 ideal for isolating the TX and RX lines of a transceiver. The two channels of the MAX12934 transfer data in the same direction.The MAX12934/MAX12935 have an isolation rating of 5kVRMS for 60 seconds. Both devices are available with a maximum data rate of either 25Mbps or 200Mbps and with outputs that are either default-high or default-low. The default is the state the output assumes when the input is not powered or if the input is open-circuit. See the Ordering Information and Product Selector Guide for suffixes associated with each option. Independent 1.71V to 5.5V supplies on each side of the isolator also make the devices suitable for use as level translators.The MAX12934/MAX12935 are available in a 16-pin, wide-body SOIC package. The package material has a minimum comparative tracking index (CTI) of 600V, which gives it a group I rating in creepage tables. All devices are rated for operation at ambient temperatures of -40°C to +125°C.ApplicationsBattery ManagementFieldbus Communications for Industrial AutomationGeneral Isolation ApplicationIsolated RS232, RS-485/RS-422, CANMedical Systems

The MAX16932/MAX16933 offer two high-voltage, synchronous step-down controllers that use only 20µA of quiescent current with no load. They operate with an input voltage supply from 3.5V to 42V and can operate in drop-out condition by running at 95% duty cycle. The devices are intended for applications with mid- to high-power requirements and requiring two independently controlled output supplies, such as automotive applications. The MAX16932/MAX16933 step-down controllers operate 180° out-of-phase for reduced input ripple. The devices also operate with switching frequencies up to 2.2MHz to allow use of small external components and to guarantee no AM band interference. The FSYNC input programmability enables three frequency modes for optimized performance: forced fixed-frequency operation, skip mode with ultra-low quiescent current (20µA), and synchronization to an external clock. The devices provide a spread-spectrum option to minimize EMI interference. The devices also feature a power-OK monitor and overvoltage and undervoltage lockout. Protection features include cycle-by-cycle current limit and thermal shutdown. The devices are available in a 28-pin TQFN-EP package and are specified for operation over the -40°C to +125°C automotive temperature range.ApplicationsDistributed DC Power SystemsNavigation and Radio Head UnitsPOL Applications for Automotive Power

The MAX17595/MAX17596/MAX17597 is a family of peak-current-mode controllers for design of wide input-voltage flyback and boost regulators. The MAX17595 offers optimized input thresholds for universal input AC-DC converters and telecom DC-DC (36V to 72V input range) power supplies. The MAX17596/MAX17597 offer input thresholds suitable for low-voltage DC-DC applications (4.5V to 36V). The MAX17597 implements a boost converter. All three controllers contain a built-in gate driver for external n-channel MOSFETs.The MAX17595/MAX17596/MAX17597 house an internal error amplifier with 1% accurate reference, eliminating the need for an external reference. The switching frequency is programmable from 100kHz to 1MHz with an accuracy of 8%, allowing optimization of magnetic and filter components, resulting in compact and cost-effective power conversion. For EMI-sensitive applications, the MAX17595/MAX17596/MAX17597 family incorporates a programmable frequency dithering scheme, enabling low-EMI spread-spectrum operation.Users can start the power supply precisely at the desired input voltage, implement input overvoltage protection, and program soft-start time. A programmable slope compensation scheme is provided to ensuree stability of the peak-current-mode control scheme.Hiccup-mode overcurrent protection and thermal shutdown are provided to minimize dissipation in overcurrent and overtemperature fault conditions.ApplicationsBattery-Powered ApplicationsIndustrial and Telecom ApplicationsUniversal Input Offline AC-DC Power SuppliesWide-Range DC-Input Flyback/Boost Battery Chargers

The MAX17600–MAX17605 devices are high-speed MOSFET drivers capable of sinking /sourcing 4A peak currents. The devices have various inverting and noninverting part options that provide greater flexibility in controlling the MOSFET. The devices have internal logic circuitry that prevents shoot-through during output-state changes. The logic inputs are protected against voltage spikes up to +14V, regardless of VDD voltage. Propagation delay time is minimized and matched between the dual channels. The devices have very fast switching time, combined with short propagation delays (12ns typ), making them ideal for high-frequency circuits. The devices operate from a +4V to +14V single power supply and typically consume 1mA of supply current. The MAX17600/MAX17601 have standard TTL input logic levels, while the MAX17603 /MAX17604/MAX17605 have CMOS-like high-noise margin (HNM) input logic levels. The MAX17600/MAX17603 are dual inverting input drivers, the MAX17601/MAX17604 are dual noninverting input drivers, and the MAX17602/MAX17605 devices have one noninverting and one inverting input. These devices are provided with enable pins (ENA, ENB) for better control of driver operation.These devices are available in 8-pin (3mm x 3mm) TDFN, 8-pin (3mm x 5mm) µMAX®, and 8-pin SO packages and operate over the -40°C to +125°C temperature range.ApplicationsDC-DC ConvertersMotor ControlPower MOSFET SwitchingPower-Supply ModulesSwitch-Mode Power Supplies

The MAX258 is a 500mA, push-pull transformer driver designed to provide a simple solution for isolated power supplies. The IC has an internal oscillator and operates from a single +3.0V to +5.5V supply. The transformer’s secondary-to-primary winding ratio defines the output voltage, allowing selection of virtually any isolated output voltage with galvanic isolation.The device features an integrated oscillator driving a pair of n-channel power switches. Internal circuitry guarantees a fixed 50% duty cycle to prevent DC current flow through the transformer.The IC operates with up to 500mA of continuous current and features undervoltage lockout and thermal shutdown.The IC includes a low-current shutdown mode to reduce the overall supply current to less than 5µA (max) when the driver is disabled.The MAX258 is available in a small 8-pin (2mm x 3mm) TDFN package and is specified over the -40°C to +125°C temperature range.ApplicationsIsolated Analog Front-EndIsolated Fieldbus InterfaceMedical EquipmentPower Meter Data Interface

The MAX2691 low-noise amplifier (LNA) is designed for GPS L2 applications. Designed in Maxim's advanced SiGe process, the device achieves high gain and low noise figure while maximizing the input-referred 1dB compression point and the 3rd-order intercept point. The MAX2691 provides a high gain of 17.5dB and sub 1dB noise figure.The device operates from a +1.6V to +3.6V single supply. The optional shutdown feature in the device reduces the typical supply current to 4µA. The device is available in a very small, lead-free, RoHS-compliant, 0.86mm x 0.86mm x 0.65mm wafer-level package (WLP).ApplicationsAvionicsPrecision NavigationTelematics (Asset Tracking and Management)

The MAX14575A/MAX14575AL/MAX14575B/MAX14575C programmable current-limit switches feature internal current limiting to prevent damage to host devices due to faulty load conditions. These current-limit switches feature a low 32mΩ (typ) on-resistance and operate from a +2.3V to +5.5V input-voltage range. The current limit is adjustable from 250mA to 2.5A, making these devices ideal for charging a large load capacitor, as well as for high-current load switching applications. Each device in the family handles an overcurrent event differently depending on the option selected. The MAX14575A/MAX14575AL feature an autoretry mode; the MAX14575A has active-high EN polarity, while the MAX14575AL has active-low EN polarity. The MAX14575B has latch-off mode, and the MAX14575C features a continuous current-limit mode. Additional safety features include thermal-shutdown protection to prevent overheating and reverse-current blocking to prevent current from being driven back into the source. The MAX14575A/MAX14575AL/MAX14575B/MAX14575C are available in a small 2mm x 2mm, 8-pin TDFN package and operate over the -40°C to +85°C extended temperature range.ApplicationsData Modem CardsPortable Media PlayersRF Power Amplifier in Cell PhonesSDXC Card Power-Supply ProtectionUSB PortsUTCA/ATCA Platforms