Supervisory Circuits RESET GENERATOR I.C.

LDO Voltage Regulators PADM1270ACPZ-R7DO 1.3Vo

Precision Wide-range (3 nA - 3 mA) High-Side Current Mirror Features: Accurately mirrors input current (1:1 ratio) over 6 decades - enables monitoring at low signal levels  Linearity 1% from 3 nA to 3 mA Stable mirror input voltage Voltage held 1 V below supply using internal reference or may be set externally providing greater flexibility in design Adjustable input current limit provides protection to the connected photodiode 2.7 V to 8 V single-supply operation Miniature 8-lead chip scale package (LFCSP 2 mm × 3 mm) saves valuable board space

Microprocessor Supervisory in SOT-23 with Active High and Low Push-Pull Output Features: Reliable Low Cost Voltage Monitor with Reset Output Suitable for Monitoring 2.5 V, 3 V, 3.3 V, and 5 V Power Supply Voltages Reset Threshold Levels: 4.62 V, 4.35 V, 3.06 V, 2.88 V, 2.55 V, 2.31 V, and 2.18 V (Typ)Initialize Microprocessor Systems with Added Safety Open-Drain Output Choices (ADM1811, ADM1813, ADM1816, and ADM1818) Can Be Used with a Manual Push-Button to Generate a Reset (ADM1813, ADM1818) Available in 3-Lead SOT-23 and SC70 Packages Active High and Low Push-Pull Output Choices (ADM1810, ADM1812, ADM1815, and ADM1817)

Microprocessor Supervisor with Backup Battery Switchover, Adjustable Reset and Watchdog Periods, Chip Enable Signals, 4.65V Threshold Voltage, Watchdog, Battery Backup and Low VCC Status O/Ps and 250mA Output Current Features: Low Power Consumption: Precision Voltage Monitor ±2% Tolerance on ADM800L/M Reset Time Delay—200 ms, or Adjustable 1 µA Standby Current Automatic Battery Backup Power Switching Fast Onboard Gating of Chip Enable Signals Also Available in TSSOP Package (ADM691A)

Microprocessor Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, 250mA Output Current Features: Low Power Consumption Precision Voltage Monitor ±2% Tolerance on ADM800L/M Reset Time Delay—200 ms, or Adjustable 1 µA Standby Current Automatic Battery Backup Power Switching Fast Onboard Gating of Chip Enable Signals Also Available in TSSOP Package (ADM691A)

600 mA, Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 2.3 V to 5.5 V Maximum load current: 600 mA Low noise 0.9 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: 1.5 nV/√Hz from 10 kHz to 1 MHz PSRR of 90 dB from 200 Hz to 200 kHz; 58 dB at 1 MHz, VOUT = 3.3 V, VIN = 3.8 V Dropout voltage: 120 mV typical at VOUT = 3.3 V, IOUT = 600 mA Initial accuracy: ±0.5% Accuracy over line, load, and temperature: −2.0%(minimum), +1.5% (maximum), from −40°C to +85°C Quiescent current, IGND = 4 mA at no load Low shutdown current: 0.2 μA Stable with a 10 µF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V (16 standard voltages between 1.2 V and 3.3 V available) 8-lead LFCSP and 8-lead SOIC packages Precision enable Supported by ADIsimPower tool

600 mA, Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 2.3 V to 5.5 V Maximum load current: 600 mA Low noise 0.9 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: 1.5 nV/√Hz from 10 kHz to 1 MHz PSRR of 90 dB from 200 Hz to 200 kHz; 58 dB at 1 MHz, VOUT = 3.3 V, VIN = 3.8 V Dropout voltage: 120 mV typical at VOUT = 3.3 V, IOUT = 600 mA Initial accuracy: ±0.5% Accuracy over line, load, and temperature: −2.0%(minimum), +1.5% (maximum), from −40°C to +85°C Quiescent current, IGND = 4 mA at no load Low shutdown current: 0.2 μA Stable with a 10 µF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V (16 standard voltages between 1.2 V and 3.3 V available) 8-lead LFCSP and 8-lead SOIC packages Precision enable Supported by ADIsimPower tool

600 mA, Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 2.3 V to 5.5 V Maximum load current: 600 mA Low noise 0.9 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: 1.5 nV/√Hz from 10 kHz to 1 MHz PSRR of 90 dB from 200 Hz to 200 kHz; 58 dB at 1 MHz, VOUT = 3.3 V, VIN = 3.8 V Dropout voltage: 120 mV typical at VOUT = 3.3 V, IOUT = 600 mA Initial accuracy: ±0.5% Accuracy over line, load, and temperature: −2.0%(minimum), +1.5% (maximum), from −40°C to +85°C Quiescent current, IGND = 4 mA at no load Low shutdown current: 0.2 μA Stable with a 10 µF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V (16 standard voltages between 1.2 V and 3.3 V available) 8-lead LFCSP and 8-lead SOIC packages Precision enable Supported by ADIsimPower tool

Ultralow Noise, 200 mA, Linear Regulator Features: PSRR performance of 54 dB at 100 kHz Ultralow noise independent of VOUT 3 μV rms, 0.1 Hz to 10 Hz 9.5 μV rms, 0.1 Hz to 100 kHz 9 µV rms, 10Hz to 100KHz 17 µV rms, 10Hz to 1MHz Low dropout voltage: 150 mV at 200 mA load Maximum output current: 200 mA Input voltage range: 2.2 V to 5.5 V Low quiescent and shutdown current Initial accuracy: ±1% Accuracy over line, load, and temperature: −2.5%/+1.5% 5-lead TSOT package and 6-lead LFCSP package