Supervisory Circuits RESET GENERATOR I.C.

Linear Voltage Regulators 300mA LDO 2.5Vout

Ultralow Quiescent Current, 150 mA, CMOS Linear Regulators Features: Ultralow quiescent current IQ = 560 nA with 0 μA load IQ = 860 nA with 1 μA load Stable with 1 μF ceramic input and output capacitors Maximum output current: 150 mA Input voltage range: 2.2 V to 5.5 V Low shutdown current: <50 nA typical Low dropout voltage: 195 mV @ 150 mA load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±3.5% 15 fixed output voltage options: 1.2 V to 4.2 V Adjustable output available PSRR performance of 72 dB @ 100 Hz See data sheet for additional features

Buck, Boost, Flyback Switching Regulator IC Positive or Negative Fixed 5V 1 Output 2A (Switch) TO-220-5

Quad Voltage Monitor and Sequencer Features: Powered from 2.7 V to 5.5 V on the VCC pin Logical core with internal timeouts provides power supply sequencing and fault protection 4 inputs can be programmed to monitor different voltage levels with resistor dividers Monitors 4 supplies via 0.8% accurate comparators 3 open-drain enable outputs Open-drain power-good output (PWRGD) 10-lead MSOP

Hot Swap Controller and Digital Power and Energy Monitor with PMBus Interface Features: ±0.3% accurate, 12-bit ADC for IOUT, VIN, VOUT, and temperature 320 ns response time to short circuit Shutdown on detection of FET health fault Constant power foldback for tighter FET SOA protection Remote temperature sensing with programmable warning and shutdown thresholds Resistor-programmable 5 mV to 25 mV VSENSE current limit Programmable start-up current limit 1% accurate UV, OV, and PWRGD thresholds Split hot swap and power monitor inputs to allow additional external ADC filtering Reports power and energy consumption over time Peak detect registers for current, voltage, and power PROCHOT power throttling capability PMBus fast mode compliant interface 5 mm × 5 mm, 32-lead LFCSP

800 mA Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 4.5 V to 16 V Maximum output current: 800 mA Adjustable output from 1.5 V to 5.1 V Low noise 1.0 μV rms total integrated noise from 100 Hz to 100 kHz 1.6 μV rms total integrated noise from 10 Hz to 100 kHz Noise spectral density: 1.7 nV√Hz from 10 kHz to 1 MHz Power supply rejection ratio (PSRR) at 400 mA load >90 dB from 1 kHz to 100 kHz, VOUT = 5 V >60 dB at 1 MHz, VOUT = 5 V Dropout voltage: 0.6 V at VOUT = 5 V, 800 mA load Initial voltage accuracy: ±1% Voltage accuracy over line, load and temperature: ±2% Quiescent current (IGND): 4.3 mA at no load Low shutdown current: 0.1 μA Stable with a 10 μF ceramic output capacitor 8-lead LFCSP package and 8-lead SOIC package

Integrated Power Solution with Quad Buck Regulators and Supervisory Circuits Features: Wide input voltage range: 4.5 V to 15.0 V ±1.5% output accuracy over full temperature range 250 kHz to 1.4 MHz adjustable switching frequency Adjustable/fixed output options via factory fuse Power regulation Channel 1 and Channel 2: programmable 1.2 A/2.5 A/4 A sync buck regulators with low-side FET driver Channel 3 and Channel 4: 1.2 A sync buck regulators Single 8 A output (Channel 1 and Channel 2 operated in parallel) Precision enable with 0.8 V accurate threshold Active output discharge switch FPWM or automatic PWM/PSM selection Frequency synchronization input or output Optional latch-off protection on OVP/OCP failure Power-good flag on selected channels UVLO, OCP, and TSD protection Open-drain processor reset with external adjustable threshold monitoring Watchdog refresh input Manual reset input

50 mA/500 mA, Ultralow Power Step-Down Regulator with Battery Voltage Monitor Features: Input supply voltage range: 2.15 V to 6.50 V Operates down to 2.00 V Ultralow 240 nA quiescent current with no load Selectable output voltages of 1.2 V to 3.6 V, or 0.8 V to 5.0 V ±1.5% output accuracy over the full temperature range in pulse-width modulation (PWM) mode Selectable hysteresis mode or PWM operation mode Output current Up to 50 mA in hysteresis mode Up to 500 mA in PWM mode VINOK flag to monitor input battery voltage 100% duty cycle operation mode 2 MHz switching frequency with optional synchronization input from 1.5 MHz to 2.5 MHz Quick output discharge (QOD) option UVLO, OCP, and TSD protection 9-ball, 1.65 mm × 1.87 mm WLCSP Junction temperature: −40°C to +125°C

3-Channel, Integrated Ultralow Power Solution with Dual Buck Regulators and Load Switch Features: Wide input voltage range: 2.7V to 15.0 V 700 nA quiescent current when EN1 = SYNC/MODE = low ±1.5% output accuracy over full temperature range in PWM mode 600 kHz (or 1.2 MHz) switching frequency with optional synchronization input from 400 kHz to 1.4 MHz Channel 1: 800 mA buck regulator Automatic PSM/PWM or forced PWM mode via factory fuse 100% duty cycle operation mode Adjustable/fixed output options via factory fuse Power-good flag Channel 2: ultralow power buck regulator Selectable hysteresis or PWM operation mode Output current up to 50 mA in hysteresis mode, 300 mA in PWM mode with 100% duty cycle operation mode Low noise at 0.8 V reference in PWM mode Adjustable/fixed output voltage options via factory fuse Channel 3: high-side load switch Low RDS(ON) of 494 mΩ at VOUT3 = 2.5 V Quick output discharge (QOD) option UVLO, OCP, and TSD protection 16-lead TSSOP_EP package −40°C to +125°C operational junction temperature