The ADP1031 is a high performance, isolated micropowermanagement unit (PMU) that combines an isolated flybackdc-to-dc regulator, an inverting dc-to-dc regulator, and abuck dc-to-dc regulator, providing three isolated power rails.Additionally, the ADP1031 contains four, high speed, serialperipheral interface (SPI) isolation channels and three general-purpose isolators for channel to channel applications where lowpower dissipation and small solution size is required.Operating over an input voltage range of +4.5 V to +60 V, theADP1031 generates isolated output voltages of +6 V to +28 V(adjustable version) or+ 21 V and +24 V (fixed versions) forVOUT1, factory programmable voltages of +5.15 V, +5.0 V, or+3.3 V for VOUT2, and an adjustable output voltages of ?24 V to?5 V for VOUT3.By default, the ADP1031 flyback regulator operates at a 250 kHzswitching frequency and the buck and inverting regulators operateat 125 kHz. All three regulators are phase shifted relative to eachother to reduce electromagnetic interference (EMI). The ADP1031can be driven by an external oscillator in the range of 350 kHzto 750 kHz to ease noise filtering in sensitive applications.The digital isolators integrated in the ADP1031 use AnalogDevices, Inc., iCoupler? chip scale transformer technology,optimized for low power and low radiated emissions.The ADP1031 is available in a 9 mm ? 7 mm, 41-lead LFCSP andis rated for a ?40?C to +125?C operating junction temperaturerange.Applications Industrial automation and process control Instrumentation and data acquisition systems Data and power isolation

The ADP1055 is a flexible, feature-rich digital secondary side controller that targets ac-to-dc and isolated dc-to-dc secondary side applications. The ADP1055 is optimized for minimal component count, maximum flexibility, and minimum design time. Features include differential remote voltage sense, primary and secondary side current sense, pulse-width modulation (PWM) generation, frequency synchronization, redundant OVP, and current sharing. The control loop digital filter and compensation terms are integrated and can be programmed over the PMBus? interface. Programmable protection features include overcurrent (OCP), overvoltage (OVP) limiting, undervoltage lockout (UVLO), and external overtemperature (OTP).The built-in EEPROM provides extensive programming of the integrated loop filter, PWM signal timing, inrush current, and soft start timing and sequencing. Reliability is improved through a built-in checksum and programmable protection circuits.A comprehensive GUI is provided for easy design of loop filter characteristics and programming of the safety features. The industry-standard PMBus provides access to the many monitoring and system test functions. The ADP1055 is available in a 32-lead LFCSP and operates from a single 3.3 V supply.APPLICATIONS Isolated dc-to-dc power supplies and modules Redundant power supply systems

The ADP122 /?ADP123 are low quiescent current, low dropoutlinear regulators. They are designed to operate from an inputvoltage between 2.3 V and 5.5 V and to provide up to 300 mA of output current. The low 85 mV dropout voltage at a 300 mA loadimproves efficiency and allows operation over a wide inputvoltage range.The low 170 ?A of quiescent current at full load makes the ADP122ideal for battery-operated portable equipment.The ADP122 is capable of 31 fixed output voltages from 1.75 Vto 3.3 V. The ADP123 is the adjustable version of the device andallows the output voltage to be set between 0.8 V and 5.0 V by an external voltage divider.The ADP122 / ADP123 are specifically designed for stable operationwith tiny 1 ?F ceramic input and output capacitors to meet therequirements of high performance, space constrained applications.The ADP122 / ADP123 have an internal soft start that gives aconstant start-up time of 350 ?s. Short-circuit protection andthermal overload protection circuits prevent damage in adverse conditions. The ADP122 / ADP123 are available in a tiny, 5-leadTSOT package and 6-lead LFCSP package for the smallestfootprint solution to meet a variety of portable applications.APPLICATIONS Digital camera and audio devices Portable and battery-powered equipment Automatic meter reading (AMR) meters GPS and location management units Medical instrumentation Point-of-sale equipment

The ADP1607 is a high efficiency, synchronous, fixed frequency, step-up dc-to-dc switching converter with an adjustable output voltage between 1.8 V and 3.3 V for use in portable applications.The 2 MHz operating frequency enables the use of small footprint, low profile external components. Additionally, the synchronous rectification, internal compensation, internal fixed current limit, and current mode architecture allow for excellent transient response and a minimal external part count.Other key features include fixed PWM and light load PFM mode options, true output isolation, thermal shutdown (TSD), and logic controlled enable. Available in a lead-free, thin, 6-lead LFCSP package, the ADP1607 is ideal for providing efficient power conversion in portable devices.APPLICATIONS 1-cell and 2-cell alkaline and NiMH/NiCd powered devices Portable audio players, instruments, and medical devices Solar cell applications Miniature hard disk power supplies Power LED status indicators

The ADP1614 is a step-up, dc-to-dc switching converter with an integrated power switch capable of providing an output voltage as high as 20V. The ADP1614 is available with a pin-adjustable current limit that is set via an external resistor with the boost switching frequency fixed to either 650kHz or 1.3MHz. Alternatively, theADP1614 is also available with fixed 3A current limit and a pin-selectable frequency.With a package height of 0.8mm, the ADP1614 is optimal for space constrained applications, such as portable devices or thin film transistor (TFT) liquid crystal displays (LCDs).The ADP1614 operates in current-mode pulse-width modulation (PWM) with up to 94% efficiency. Adjustable soft start prevents inrush currents when the part is enabled. The PWM current-mode architecture allows excellent transient response, easy noise filtering, and the use of small, cost-saving external inductors and capacitors. Other key features include undervoltage lockout (UVLO), thermalshutdown (TSD), and logic controlled enable.The ADP1614 is available in Pb-free, 10-lead lead frame chip scale package (LFCSP).APPLICATIONS TFT LCD bias supplies Portable applications Industrial/instrumentation equipment

The ADP170 /?ADP171?/?ADP172 are low voltage input, low quiescentcurrent, low-dropout (LDO) linear regulators that operate from1.6 V to 3.6 V and provide up to 300 mA of output current. Thelow 55 mV dropout voltage at 300 mA load improves efficiencyand allows operation over a wide input voltage range. The low23 ?A of quiescent current at no load makes theADP170 / ADP171 / ADP172 ideal for battery-operated portableequipment.The ADP170 is capable of 31 fixed-output voltage options, ranging from 0.8 V to 3.0 V. ADP171 is an adjustableversion, which allows output voltages that range from 0.8 V to3.0 V via an external divider. The ADP170 / ADP171 areoptimized for stable operation with small 1 ?F ceramic outputcapacitors. Ideal for powering digital processors, the ADP170 / ADP171 exhibit good transient performance andoccupy minimal board space. Compared with commodity typesof LDOs, the ADP170 / ADP171 provide 20 dB to 40 dB betterpower supply rejection ratio (PSRR) at 100 kHz, making theADP170 / ADP171 an ideal power source for analog-to-digitalconverter (ADC) mixed-signal processor systems and allowinguse of smaller size bypass capacitors. In addition, low outputnoise performance without the need for an additional bypasscapacitor further reduces printed circuit board (PCB)component count.Short-circuit protection and thermal overload protectioncircuits prevent damage in adverse conditions. TheADP170 / ADP171 are available in tiny 5-lead TSOT for thesmallest footprint solution to meet a variety of portable powerapplications.APPLICATIONS Mobile phones Digital camera and audio devices Portable and battery-powered equipment DSP/FPGA/microprocessor supplies Post dc-dc regulation

The ADP1712?/ ADP1713 / ADP1714, available in a tiny, 5-lead TSOT package, are low dropout linear regulators that operate from 2.5 V to 5.5 V and provide up to 300 mA of output current. The low 170 mV dropout voltage at a 300 mA load improves efficiency and allows operation over a wide input voltage range. Using a novel scaling architecture, ground current is a very low 75 ?A when driving a 100 ?A load, making the ADP1712 / ADP1713 / ADP1714 ideal for battery-operated portable equipment.The ADP1712 / ADP1713 / ADP1714 are available in 16 fixed output voltage options. The ADP1712 is also available in an adjustable version, which allows output voltages that range from 0.8 V to 5 V via an external divider. The ADP1712 fixed version allows an external capacitor to be connected to program the soft-start time. The ADP1713 allows a reference bypass capacitor to be connected, which reduces output voltage noise and improves power supply rejection. The ADP1714 includes a tracking feature, which allows the output to follow an external voltage rail or reference.The ADP1712 / ADP1713 / ADP1714 are optimized for stable operation with small 2.2 ?F ceramic output capacitors, allowing good transient performance while occupying minimal board space. An enable pin controls the output voltage on all devices, and an undervoltage lockout circuit disables the regulator if IN drops below a minimum threshold. The parts also have short circuit protection and thermal overload protection, which prevent damage to the devices in adverse conditions.APPLICATIONS Mobile phones Digital camera and audio devices Portable and battery-powered equipment Post dc-dc regulation

The ADP1715 / ADP1716?are low dropout, CMOS linear regulators that operate from 2.5 V to 5.5 V and provide up to 500 mA of output current. Using an advanced proprietary architecture, they provide high power supply rejection and achieve excellent line and load transient response with just a small 2.2 ?F ceramic output capacitor.Three versions of this part are available, one with fixed output voltage options and variable soft start (ADP1715), one with adjustable output voltage and fixed soft start (ADP1715 Adjustable), and one with voltage tracking in fixed output voltage options (ADP1716). The fixed output voltage options are internally set to one of sixteen values between 0.75 V and 3.3 V; the adjustable output voltage can be set to any value between 0.8 V and 5.0 V by an external voltage divider connected from OUT to ADJ. The variable soft start uses an external capacitor at SS to control the output voltage ramp. Tracking limits the output voltage to the at-or-below voltage at the TRK pin.The ADP1715 / ADP1716 are available in 8-lead thermally enhanced MSOP packages, making them not only a very compact solution but also providing excellent thermal performance for applications requiring up to 500 mA of output current in a small, low profile footprint.APPLICATIONS Notebook computers Memory components Telecommunications equipment Network Equipment DSP/FPGA/?P supplies Instrumentation equipment/data acquisition systems

The ADP1764 is a low noise, low dropout (LDO) linear regulator. It is designed to operate from a single input supply with an input voltage as low as 1.10 V without the requirement of an external bias supply to increase efficiency and provide up to 4 A of output current (IOUT).The low 47 mV typical dropout voltage at a 4 A load allows theADP1764 to operate with a small headroom while maintainingregulation and providing better efficiency.The ADP1764 is optimized for stable operation with small 22 ?F ceramic output capacitors. The ADP1764 delivers optimal transientperformance with minimal printed circuit board (PCB) area.The ADP1764 is available in fixed output voltages ranging from 0.55 V to 1.5 V. The output voltage (VOUT) of the adjustableoutput model can be set from 0.5 V to 1.5 V through an external resistor connected between VADJ and ground.The ADP1764 has an externally programmable soft start time by connecting a capacitor to the SS pin. Short-circuit and thermaloverload protection circuits prevent damage in adverse conditions.The ADP1764 is available in a small, 16-lead LFCSP package forthe smallest footprint solution to meet a variety of applications.Applications Regulation to noise sensitive applications such as radio frequency (RF) transceivers, analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, phase-locked loops (PLLs), voltage controlled oscillators (VCOs) and clocking integrated circuits Field-programmable gate array (FPGA) and digital signal processor (DSP) supplies Medical and healthcare Industrial and instrumentation

The ADP1765 is a low noise, low dropout (LDO) linear regulator. It is designed to operate from a single input supply with an input voltage as low as 1.10 V without the requirement of an external bias supply to increase efficiency and provide up to 5 A of output current (IOUT).The low 59 mV typical dropout voltage at a 5 A load allows the ADP1765 to operate with a small headroom while maintaining regulation and providing better efficiency.The ADP1765 is optimized for stable operation with small 22 ?F ceramic output capacitors. The ADP1765 delivers optimal transient performance with minimal printed circuit board (PCB) area.The ADP1765 is available in fixed output voltages ranging from 0.55 V to 1.5 V. The output voltage (VOUT) of the adjustable output model can be set from 0.5 V to 1.5 V through an external resistor connected between VADJ and ground.The ADP1765 has an externally programmable soft start time by connecting a capacitor to the SS pin. Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADP1765 is available in a small, 16-lead LFCSP package for the smallest footprint solution to meet a variety of applications.Applications Regulation to noise sensitive applications such as radio frequency (RF) transceivers, analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, phase-locked loops (PLLs), voltage controlled oscillators (VCOs) and clocking integrated circuits Field-programmable gate array (FPGA) and digital signal processor (DSP) supplies Medical and healthcare Industrial and instrumentation