MAXIM Manuals (Industrial)

The MAX5021/MAX5022 are current-mode PWM controllers suitable for wide input voltage range isolated power supply design. They feature large undervoltage lockout circuit, low startup and operating current, and fixed switching frequency.

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MAX5019/MAX5020 are fixed-frequency DC-DC converters that can implement isolated or nonisolated power supplies.

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MAX5018 is a 8-bit digital to analog converter from Texas Instruments, which can accept video data at 165Msps or 275Msps. It has complete video controls (sync, blank, reference white (force high), and bright), and can directly drive doubly terminated 50Ω or 75Ω loads to standard composite video levels. Standard setup level is 7.5IRE. MAX5018 is pin compatible with the HDAC10180 and the TDC1018, with improved performance. The product contains data and control input registers, video control logic, reference buffer, and current switches. Two performance grades of the MAX5018 are available. Both are packaged in a 24-pin PDIP in the -20°C to +85°C industrial temperature range.

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The MAX5014/MAX5015 integrate all the building blocks necessary for implementing DC-DC fixed-frequency isolated power supplies. These devices are current-mode controllers with an integrated high-voltage startup circuit suitable for isolated telecom/industrial voltage range power supplies. Current-mode control with leading-edge blanking simplifies control-loop design and internal ramp compensation circuitry stabilizes the current loop when operating at duty cycles above 50% (MAX5014). The MAX5014 allows 85% operating duty cycle and could be used to implement flyback converters, whereas the MAX5015 limits the operating duty cycle to less than 50% and can be used in single-ended forward converters. A high-voltage startup circuit allows these devices to draw power directly from the 18V to 110V input supply during startup. The switching frequency is internally trimmed to 275kHz ±10%, thus reducing magnetics and filter component costs. The MAX5014/MAX5015 are available in 8-pin SO packages. An evaluation kit (MAX5015EVKIT) is also available.

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The MAX5013 is a 12-bit, 100Msps digital-to-analog converter (DAC) designed for digital modulation, direct digital synthesis, high-resolution imaging, and arbitrary-waveform-generation applications. This device is pin-for-pin compatible with the AD9713 with significantly improved settling time and glitch-energy performance. The MAX5013 is a TTL-compatible device. It features a fast 13ns settling time and low 15pV-s glitch impulse energy, which results in excellent spurious-free dynamic-range characteristics. The MAX5013 is available in a 28-pin plastic DIP or PLCC package, in the -40°C to +85°C extended-industrial temperature range.

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The MAX5012 is a 12-bit, 100Msps digital-to-analog converter (DAC) designed for digital modulation, direct digital synthesis, high-resolution imaging, and arbitrary- waveform-generation applications. This device is pin- for-pin compatible with the AD9712 with significantly improved settling time and glitch-energy performance. The MAX5012 is an ECL-compatible device. It features a fast 13ns settling time and low 15pV-s glitch impulse energy, which results in excellent spurious-free dynamic range characteristics. The MAX5012 is available in a 28-pin plastic DIP or PLCC package in the -40°C to +85°C extended-industrial temperature range.

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The MAX500 is a quad, 8-bit, voltage-output digital-to-analog converter (DAC) with a cascadable serial interface. The IC includes four output buffer amplifiers and input logic for an easy-to-use, two- or three-wire serial interface. In a system with several MAX500s, only one serial data line is required to load all the DACs by cascading them. The MAX500 contains double-buffered logic and a 10-bit shift register that allows all four DACs to be updated simultaneously using one control signal. There are three reference inputs so the range of two of the DACs can be independently set while the other two DACs track each other. The MAX500 achieves 8-bit performance over the full operating temperature range without external trimming.

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MAX5008 5V Regulated 5V USB Charge Pump with Programmable Current Limit

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MAX5005/MAX5006/MAX5007 are low-dropout (LDO), micropower linear voltage regulators with an integrated microprocessor (µP) reset circuit for use with USB peripheral devices. Each device is available with a fixed +3.3V output voltage and can deliver up to 150mA load current. Each device features ±15kV transient voltage suppression (TVS) as well as precision 1.5kΩ data-line termination resistors for USB digital signals making them ideal for use with USB peripherals. The MAX5005/MAX5006/MAX5007 include an internal reset circuit that enables the USB microcontroller 100ms after the LDO regulator output voltage reaches regulation. Reset outputs are available in push-pull (active-low or active-high) and open-drain (active-low) options. The MAX5005/MAX5006/MAX5007 are optimized for use with a 1µF ceramic output capacitor. Each device includes thermal shutdown protection, output short-circuit protection, and output to input reverse leakage protection. These devices also include an active-low manual reset input. The MAX5005 features an open-drain reset output, the MAX5006 features an active-low push-pull reset output, and the MAX5007 features an active-high push-pull reset output. Each device is available in a space-saving 10-pin µMAX package.

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The MAX5003 high-voltage switching power-supply controller has all the features and building blocks needed for a cost-effective flyback and forward voltage-mode control converter. This device can be used to design both isolated and nonisolated power supplies with multiple output voltages that operate from a wide range of voltage sources. It includes a high-voltage internal start-up circuit that operates from a wide 11V to 110V input range. The MAX5003 drives an external N-channel power MOSFET and has a current-sense pin that detects overcurrent conditions and turns off the power switch when the current-limit threshold is exceeded. The choice of external power MOSFET and other external components determines output voltage and power. The MAX5003 offers some distinctive advantages: soft-start, undervoltage lockout, external frequency synchronization, and fast input voltage feed-forward. The device is designed to operate at up to 300kHz switching frequency. This allows use of miniature magnetic components and low-profile capacitors. Undervoltage lockout, soft-start, switching frequency, maximum duty cycle, and overcurrent protection limit are all adjustable using a minimum number of external components. In systems with multiple controllers, the MAX5003 can be externally synchronized to operate.

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MAX498/MAX499 are high-speed, quad/triple, single-pole/double-throw video switches with on-board closed-loop buffer amplifiers. The buffer amplifiers feature +6dB gain (AVCL = 2V/V), 250MHz -3dB bandwidth, 70MHz 0.1dB gain flatness, and 1250V/µs slew rate. Fast switching time (3ns) and fast settling time (12ns for a 4V step) make these devices excellent choices for a wide variety of video applications. The low differential gain/phase errors (0.03%/0.06°) and wide bandwidth make them ideal for both composite-video and RGB applications. The amplifiers are capable of delivering ±2.5V into back-terminated 50Ω or 75Ω cables, and they deliver ±2V to a 75Ω load, allowing multiple cables to be driven from a single output. For implementation of large switch arrays, a low-power disable mode places the amplifier outputs in a high- impedance state. Channel selection and output enable/disable are controlled by four TTL/CMOS- compatible logic inputs. Each video input is isolated by an AC-ground pin, which minimizes channel-to-channel capacitance and reduces crosstalk to 90dB at 10MHz. The four-channel MAX498 dissipates 390mW (typical) from ±5VDC power supplies with all output buffers enabled. Power consumption is reduced to 130mW with all buffers disabled. The corresponding dissipation for the three-channel MAX499 is 300mW enabled and 100mW disabled.

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The MAX4999 is a USB 2.0 high-speed differential 8:1 multiplexer from Texas Instruments. It is available in a 32-pin TQFN package and operates from a single +3.0V to +3.6V power supply. The MAX4999 is specified over the -40°C to +85°C extended temperature range.

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The MAX496 and MAX497 are quad, closed-loop, ±5V video buffers that feature extremely high bandwidth and slew rate for both component video (RGB or YUV) and composite video (NTSC, PAL, SECAM). The MAX496 is a unity-gain (0dB) buffer with a 375MHz -3dB bandwidth and a 1600V/µs slew rate. The MAX497 gain of +2 (6dB) buffer, optimized for driving back-terminated coaxial cable, features a 275MHz -3dB bandwidth and a 1500V/µs slew rate. The MAX496/MAX497 incorporate a unique two-stage architecture that combines the low offset and noise benefits of voltage feedback with the high bandwidth and slew-rate advantages of current-mode-feedback.

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The MAX4959/MAX4960 overvoltage protection controllers protect low-voltage systems against high-voltage faults of up to +28V

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The MAX4947/MAX4948 analog switches operate from a single +1.8V to +5.5V supply. These switches feature a low 30pF (typ) capacitance for high-speed data switching applications. The MAX4947 is a triple double-pole/double-throw (DPDT) switch, and the MAX4748 is a hex single-pole/double-throw (SPDT) switch with one control logic input. The MAX4947 has three logic inputs to control the switches in pairs. The MAX4948 has one logic input and an enable input (EN) to disable the switches.

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MAX492/MAX494/MAX495 are precision low-voltage single-supply operational amplifiers from Texas Instruments. They have wide input and output dynamic range, wide voltage range, low supply current, etc. They are suitable for portable equipment, battery-powered instruments, data acquisition, signal conditioning, etc.

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The MAX4929E is a low-frequency 2:1 switch ideal for HDMI™/DVI™ switching applications. The device features a voltage clamp function to protect low-voltage systems at the output. The MAX4929E operates with a single 5V supply or dual or triple supplies. The MAX4929E provides clamping and voltage translation without additional components. All external inputs/outputs are electrostatic-discharge (ESD)-protected to ±6kV Human Body Model (HBM). The MAX4929E is available in 20-pin QSOP and 20-pin, 4mm x 4mm, TQFN packages. The device is specified for the extended -40°C to +85°C operating temperature range.

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MAX4927 is a high-performance, low-power, 4-pair bidirectional switch that meets the needs of Gigabit Ethernet (10/100/1000) Base-T switching as well as LVDS and LVPECL switching.

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max4906ef is a single-supply, low on-resistance, low on-capacitance analog switch from texas instruments, suitable for usb2.0 high-speed applications

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The MAX4906/MAX4906F/MAX4907/MAX4907F are analog switches that combine low capacitance and low resistance for high-performance switching applications. They are designed for USB 2.0 high-speed applications and can handle USB low-speed and full-speed signaling. These switches have a low threshold voltage and a high-level input voltage of +1.4V, making them suitable for low-voltage logic. They have low quiescent current and also feature a shutdown input to further reduce the quiescent current.

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