Analog Devices Inc./Maxim Integrated

The MAX25300A/MAX25300Bare low-noise linear regulators that deliver up to 500mA of output current with only 12μVRMSof output noise from 10Hz to 100kHz. These regulators maintain ±1% output accuracy over a wide input voltage range, requiring only 100mV of input-to-output headroom at full load. The 365μA no-load supply current is independent of dropout voltage.The MAX25300A has nine pin-selectable output voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 4.0V, and 5V. The MAX25300B has a resistor-adjustable output voltage in the 0.6V to 5.3V range. The MAX25300B also includes an active-high POK output.The MAX25300A/MAX25300B are offered in an 8-pin TDFN package.APPLICATIONSAutomotive ElectronicsAudio SystemsHigh-Resolution Data Acquisition Systems

TheMAX25300A/MAX25300B are low-noise linear regulators that deliver up to 500mA of output current with only 12μVRMSof output noise from 10Hz to 100kHz. These regulators maintain ±1% output accuracy over a wide input voltage range, requiring only 100mV of input-to-output headroom at full load. The 365μA no-load supply current is independent of dropout voltage.The MAX25300A has nine pin-selectable output voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 4.0V, and 5V. The MAX25300B has a resistor-adjustable output voltage in the 0.6V to 5.3V range. The MAX25300B also includes an active-high POK output.The MAX25300A/MAX25300B are offered in an 8-pin TDFN package.APPLICATIONSAutomotive ElectronicsAudio SystemsHigh-Resolution Data Acquisition Systems

The MAX25301A/B are low-noise automotive linear regulators that deliver up to 1A of output current with only 7µVRMSof output noise from 10Hz to 100kHz.These regulators maintain ±1% output accuracy over a wide input-voltage range, requiring only 100mV of input-to-output headroom at full load. The 1200µA no-load supply current is independent of dropout voltage.The MAX25301A has nine pin-selectable output voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 4.0V, and 5V. The MAX25301B output voltage can be adjusted to a value in the range of 0.6V to 5.3V using two external resistors. The MAX25301B also includes an active-high POK signal for trouble-free load startup.All versions include a programmable output soft-start rate as well as output-overcurrent and thermal-overload protection.The MAX25301A/B are offered in a 10-pin TDFN (3mm x 3mm) package.ApplicationsAudio SystemsAutomotive ElectronicsHigh-Resolution Data Acquisition Systems

The MAX25301A/B are low-noise automotive linear regulators that deliver up to 1A of output current with only 7µVRMSof output noise from 10Hz to 100kHz.These regulators maintain ±1% output accuracy over a wide input-voltage range, requiring only 100mV of input-to-output headroom at full load. The 1200µA no-load supply current is independent of dropout voltage.The MAX25301A has nine pin-selectable output voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 4.0V, and 5V. The MAX25301B output voltage can be adjusted to a value in the range of 0.6V to 5.3V using two external resistors. The MAX25301B also includes an active-high POK signal for trouble-free load startup.All versions include a programmable output soft-start rate as well as output-overcurrent and thermal-overload protection.The MAX25301A/B are offered in a 10-pin TDFN (3mm x 3mm) package.ApplicationsAudio SystemsAutomotive ElectronicsHigh-Resolution Data Acquisition Systems

The MAX25307/MAX25308 are a two/three output linear regulator family that deliver up to 600mA on channel 1 and up to 300mA on channels 2 and 3 with only 37μVRMSof output noise from 10Hz to 100kHz. These regulators maintain ±1.25% output accuracy over a wide input voltage range, requiring only 155mV (max) of input-to-output headroom at full load. The 1.95mA maximum no-load supply current is independent of dropout voltage. Each output is factory programmable between 0.6V to 3.7875V in 12.5mV steps. No external components are needed except for the input, output, and bypass capacitors. Each output has an independent enable input and active-low RESET output.ApplicationsAdvanced Driver-Assistance Systems (ADAS)Infotainment SystemsPoint of Load

The MAX25320 is a high-efficiency dual switching regulator which delivers up to 1A load current per output from 0.5V to 1.59375V in 6.25mV steps and 1.6V to 3.6V in 25mV steps. The IC operates from a 3.3V supply, making it ideal for on-board point-of-load and post regulation applications. Total output error is less than ±1% over load, line, and temperature.The MAX25320 features fixed-frequency PWM mode or SKIP mode operation with a switching frequency of 2.1MHz. The high-frequency operation allows for an all-ceramic capacitor design and also allows for small-size external components.The device features the MAXQ® technology, which provides precision transient performance and phase margin. This allows obtaining the maximum power, performance, and precision from the converter over a very wide range of configurations.The MAX25320 provides an enable input and output. The output voltage is preset at the factory to allow customers to achieve ±1% output-voltage accuracy without using expensive 0.1% resistors. The device offers factory-programmable soft-start and active-low RESET times.The device includes overtemperature shutdown and overcurrent limiting. It is designed to operate from –40°C to +125°C ambient temperature range.ApplicationsSecondary Regulator for SoC/MCU Supply

The MAX25322 is an ASIL-C compliant high-efficiency dual switching regulator which delivers up to 6A (peak) load current per output from 0.5V to 1.5875V in 12.5mV steps and 1.6V to 3.8V in 50mV steps. The IC operates from 3V to 5.5V, making it ideal for on-board point-of-load and post regulation applications. Total output error is less than ±1.0% over load, line, and temperature.The MAX25322 features fixed-frequency PWM mode operation with a switching frequency of 2.1MHz or 3.2MHz. The high-frequency operation allows for an all-ceramic capacitor design with small external components.The low-resistance on-chip switches ensure high efficiency at heavy loads while minimizing critical inductances, making the layout a much simpler task with respect to discrete solutions. Following a simple layout and footprint ensure first-pass success in new designs.The device features the MAXQ®power architecture, which provides precision transient performance and phase margin. This allows obtaining the maximum power, performance, and precision from the converter over a very wide range of configurations.The MAX25322 provides independent enable input for each channel. The output voltage is preset at the factory to allow customers to achieve ±1% output-voltage accuracy without using expensive 0.1% resistors. The devices offer factory-programmable soft-start and active-lowRESETtimes.The devices include over-temperature shutdown and overcurrent limiting features. All devices are designed to operate from –40°C to +125°C ambient temperature range.ApplicationsSecondary Regulator for SoC/MCU Supply