ADP3301 - High Accuracy ANYCAP 100mA Low Dropout Linear Regulator

Synchronous Buck Controller with Constant On-Time and Valley Current Mode with Power Saving Mode Features: Power input voltage range: 2.95 V to 20 V On-board bias regulator Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 kHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1879 only) Resistor programmable current limit Power good with internal pull-up resistor Externally programmable soft-start See data sheet for additional features

Dual, 300 mA Fixed Output, Low Noise, High PSRR Voltage Regulator Features: Input voltage range: 2.5 V to 5.5 V Small, 8-lead, 2 mm x 2 mm LFCSP package Initial accuracy: ±1% High PSRR: 70 dB at 10 kHz, 60 dB at 100 kHz, 40 dB at 1 MHz Low noise: 27 μV rms at VOUT = 1.2 V, 50 μV rms at VOUT = 2.8 V Excellent transient response Low dropout voltage: 170 mV at 300 mA load 65 μA typical ground current at no load, both LDOs enabled Overcurrent and thermal protection

ADP3333 - High Accuracy UltraLow IQ, 300mA, ANYCAP Low Dropout Regulator

Microprocessor Supervisory Circuit

Digital Controller for Isolated Power Supply Applications

Tiny I2C Programmable Linear Battery Charger with Power Path and USB Mode Compatibility Features: 2.6 mm x 2 mm WLCSP Package Fully programmable via I2C Flexible digital control inputs Up to 2.1 A current from an ac charger in LDO mode Operating input voltage from 4.0 V to 6.7 V Tolerant input voltage -0.5 V to +20 V (USB VBUS) Fully compatible with USB 3.0 and USB Battery Charging Specification 1.2 Built-in current sensing and limiting As low as 30 mΩ battery isolation FET between battery and charger output Thermal regulation prevents over heating Compliant with JEITA 1 and JEITA 2 Li-Ion battery charging temperature specifications SYS_EN flag permits the system to be disabled until battery is at minimum required level for guaranteed system start-up.

3-Channel Digital Power Supply Controller

Compact, 600 mA, 3 MHz, Step-Down DC-to-DC Converter

Compact, 800 mA, 3 MHz, Step-Down DC-to-DC Converter with an Internal Discharge Switch Features: Input voltage: 2.3 V to 5.5 V Peak efficiency: 95% 3 MHz fixed frequency operation Typical quiescent current: 24 μA Very small solution size 6-lead, 1 mm × 1.5 mm WLCSP package Fast load and line transient response 100% duty cycle low dropout mode Internal synchronous rectifier, compensation, and soft start Current overload and thermal shutdown protections Ultralow shutdown current: 0.2 μA (typical) Forced PWM and automatic PWM/PSM modes Supported by ADIsimPower™ design tool