Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-QFN (5x5)

Supervisory Circuits

Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-5

MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 Features:

• Ultra-Low 170nA (typ) Supply Current
• Reset Thresholds from +1.575V to +4.625V in Approximately 100mV Increments
• Six Minimum Reset Timeout Period Options from 10ms to 1200ms
• Manual Reset Option
• Watchdog Timer Option
• Pin-Selectable 10ms/150ms (min) Reset Timeout Period (MAX6861/MAX6862/MAX6863)
• Immune to Short V_CC Transients
• Guaranteed Reset Valid to V_CC = +1.1V
• Three Reset Output Options:
  • Push-Pull active-low RESET
  • Push-Pull RESET
  • Open-Drain active-low RESET
• No External Components
• Small 5-Pin SOT23 Package
• Pin Compatible to the TPS3836/TPS3837/TPS3838 (MAX6861/MAX6862/MAX6863)

Power Switch ICs - Power Distribution Dual USB Switch w/Fault Blank

Switching Voltage Regulators 50mA f-Selectable Voltage Converter

Supervisory Circuits Reset Sequencer

Supervisory Circuits 5V EconoReset

6.5V, 4 A, High Efficiency, Step-Down DC-to-DC Regulator Features: 4 A continuous output current 43 mΩ and 29 mΩ integrated FET ±1.5% output accuracy Input voltage range: 2.7 V to 6.5 V Output voltage: 0.6 V to VIN Switching frequency Fixed frequency: 600 kHz or 1.2 MHz Adjustable frequency: 500 kHz to 1.4 MHz Synchronizable from 500 kHz to 1.4 MHzSelectable synchronize phase shift: 0° or 180° Current mode architecture Precision enable input Power-good output Voltage tracking input Integrated soft start Internal compensation Starts up into a precharged output UVLO, OVP, OCP, and thermal shutdown Available in 16-lead, 4 mm × 4 mm LFCSP package Supported by ADIsimPower™ design tool

20 V, 500 mA, Low Noise, CMOS LDO Features: Input voltage range: 3.3 V to 20 V Maximum output current: 500 mA Low Noise: 15 μV rms for fixed output versions PSRR Performance of 60 dB at 10 kHz, VOUT = 3.3 V Reverse current protection Low dropout voltage: 350 mV at 500 mA Initial accuracy: ±0.8% Accuracy over line, load, and temperature −2% to +1%, TJ = −40°C to +125°C −1.25% to +1%, TJ = 0°C to +85°C Low quiescent current (VIN = 5 V), IGND = 900 μA with 500 mA load Low shutdown current: <40 μA at VIN = 12 V, stable with small 1 μF ceramic output capacitor 7 fixed output voltage options: 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, 5 V, and 9 V Adjustable output from 1.22 V to VIN − VDO Foldback current limit and thermal overload protection User programmable precision UVLO/enable Power-good indicator 8-lead LFCSP and 8-lead SOIC packages

Ultra Low Quiescent Current 150 mA, CMOS Linear Regulator 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 Logic-control enable