LDO VOLTAGE REGULATORS;

MICROPROCESSOR SUPERVISORS / VOLTAGE DET;

MICROPROCESSOR SUPERVISORS / VOLTAGE DET;

MICROPROCESSOR SUPERVISORS / VOLTAGE DET;

Quad 40VIN Silent Switcher Module Regulator with Configurable 1.2A Output Array Features: Four Complete Step-Down Switching Power Supplies Low Noise Silent Switcher® Architecture CISPR22 Class B Compliant CISPR25 Class 5 Compliant Wide Input Voltage Range: 3V to 40V Wide Output Voltage Range: 0.8V to 8V Selectable Switching Frequency: 300kHz to 3MHz 1.2A Continuous Output Current per Channel at 12VIN, 3.3VOUT, TA = 85C 1.5A Continuous Output Current per Channel at 12VIN, 3.3VOUT, TA = 60C Multiphase or Multi-μModule Parallelable for Increased Output Current Compact Package (6.25mm × 11.25mm × 2.22mm) Surface Mount BGA

2.048V, Precision Micropower, Low Dropout, Low Voltage Reference Features: Initial Accuracy: ±2 mV Max Temperature Coefficient: 5 ppm/°C Max Low Supply Current: 45 µA Max Sleep Mode: 15 µA Max Low Dropout Voltage Load Regulation: 4 ppm/mA Line Regulation: 4 ppm/V High Output Current: 30 mA Short-Circuit Protection Download REF191-EP Data Sheet (pdf) Supports defense and aerospace applications (AQEC standard) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Product change notification Qualification data available on request

Photoflash Capacitor Chargers in ThinSOT Features: Highly Integrated IC Reduces Solution Size Uses Small Transformers: 5.8mm × 5.8mm × 3mm Fast Photoflash Charge Times: 4.6s for LT3468 (0V to 320V, 100µF, VIN = 3.6V) 5.7s for LT3468-2 (0V to 320V, 100µF, VIN = 3.6V) 5.5s for LT3468-1 (0V to 320V, 50µF, VIN = 3.6V) Controlled Input Current: 500mA (LT3468) 375mA (LT3468-2) 225mA (LT3468-1) Supports Operation from Single Li-Ion Cell, or Any Supply from 2.5V up to 16V Adjustable Output Voltage No Output Voltage Divider Needed Charges Any Size Photoflash Capacitor Low Profile (<1mm) SOT-23 Package

Dual 2-Phase, No RSENSE, Synchronous Controller with Output Tracking Features: No Current Sense Resistors Required Out-of-Phase Controllers Reduce Required Input Capacitance Tracking Function Wide VIN Range: 2.75V to 9.8V Constant Frequency Current Mode Operation 0.6V ±1.5% Voltage Reference Low Dropout Operation: 100% Duty Cycle True PLL for Frequency Locking or Adjustment Selectable Burst Mode®/Forced Continuous Operation Auxiliary Winding Regulation Internal Soft-Start Circuitry Power Good Output Voltage Monitor Output Overvoltage Protection Micropower Shutdown: IQ = 9µA Tiny Low Profile (4mm × 4mm) QFN and Narrow SSOP Packages

300mA Micropower VLDO Linear Regulator Features: Wide Input Voltage Range: 0.9V to 5.5V Stable with Ceramic Capacitors Very Low Dropout: 45mV at 300mA Adjustable Output Range: 0.4V to 3.6V ±2% Voltage Accuracy over Temperature Supply Load Low Noise: 80μVRMS (10Hz to 100kHz) BIAS Voltage Range: 2.5V to 5.5V Fast Transient Recovery Shutdown Disconnects Load from VIN and VBIAS Low Operating Current: IIN = 4μA, IBIAS = 50μA Typ Low Shutdown Current: IIN = 1μA, IBIAS = 0.01μA Typ Output Current Limit Thermal Overload Protection Available in 6-Lead (2mm × 2mm) DFN Package

1.4A, 500kHz Step-Down Switching Regulator Features: Wide Input Range: 3.6V to 36V Short-Circuit Protected Over Full Input Range 1.9A Guaranteed Minimum Switch Current 5V at 1.4A from 10V to 36V Input 3.3V at 1.4A from 7V to 36V Input 5V at 1.2A from 6.3V to 36V Input 3.3V at 1.2A from 4.5V to 36V Input Output Adjustable Down to 1.20V 500kHz Fixed Frequency Operation Soft-Start Uses Small Ceramic Capacitors Internal or External Compensation Low Shutdown Current: <2µA Thermally Enhanced 8-Lead MSOP Package