Ultra-Low-Noise, High-Accuracy 2.5V Voltage Reference Features: Maximum temperature coefficient (TCVOUT): 0.8 ppm/°C (D grade 0°C to 70°C) 1 ppm/°C (C grade 0°C to 70°C) 2 ppm/°C (B grade −40°C to +125°C) 4 ppm/°C (A grade 40°C to +125°C) Output noise (0.1 Hz to 10 Hz): 1 μV p-p at VOUT of 2.048 V typical Initial output voltage error: B, C, D grade: ±0.02% (maximum) Input voltage range: 3 V to 15 V Operating temperature: A grade and B grade: −40°C to +125°C C grade: 0°C to +70°C Output current: +10 mA source/−10 mA sink Low quiescent current: 950 μA (maximum) Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V) 8-lead SOIC package and LCC package AEC-Q100 qualified for automotive applications Long-term drift: 8 ppm typical at 4500 hours

Ultra-Low-Noise, High-Accuracy 5.0V Voltage Reference Features: Maximum temperature coefficient (TCVOUT): 0.8 ppm/°C (D grade 0°C to 70°C) 1 ppm/°C (C grade 0°C to 70°C) 2 ppm/°C (B grade −40°C to +125°C) 4 ppm/°C (A grade 40°C to +125°C) Output noise (0.1 Hz to 10 Hz): 1 μV p-p at VOUT of 2.048 V typical Initial output voltage error: B, C, D grade: ±0.02% (maximum) Input voltage range: 3 V to 15 V Operating temperature: A grade and B grade: −40°C to +125°C C grade: 0°C to +70°C Output current: +10 mA source/−10 mA sink Low quiescent current: 950 μA (maximum) Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V) 8-lead SOIC package and LCC package AEC-Q100 qualified for automotive applications Long-term drift: 8 ppm typical at 4500 hours

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

600mA Low VIN Buck Regulator in 3mm 3mm DFN Features: 1.6V to 5.5V Input Voltage Range Internal Soft-Start Selectable 1.7MHz or 2.6MHz Constant Frequency Operation Internal Oscillator can be Synchronizable to an External Clock, 1MHz to 3MHz Range High Efficiency: Up to 95% Very Low Quiescent Current: Only 65µA During Burst Mode® Operation 600mA Output Current (VIN = 1.8V, VOUT = 1.2V) 750mA Peak Inductor Current No Schottky Diode Required Low Dropout Operation: 100% Duty Cycle 0.613V Reference Voltage Stable with Ceramic Capacitors Shutdown Mode Draws <1µA Supply Current Current Mode Operation for Excellent Line and Load Transient Response Overtemperature Protection Available in a Low Profile (0.75mm) 8-Lead (3mm × 3mm) DFN Package

Dual 2-Phase, No RSENSE,Synchronous Controller for DDR/QDR Memory Termination Features: No Current Sense Resistors Required Out-of-Phase Controllers Reduce Required Input Capacitance VOUT2 Tracks 1/2 VREF Symmetrical Source/Sink Output Current Capability (VOUT2) Spread Spectrum Operation (When Enabled) Wide VIN Range: 2.75V to 9.8V Constant Frequency Current Mode Operation 0.6V ±1.5% Voltage Reference (VOUT1) Low Dropout Operation: 100% Duty Cycle True PLL for Frequency Locking or Adjustment 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

No RSENSE, Low Input Voltage, Synchronous DC/DC Controller with Output Tracking Features: Programmable Output Voltage Tracking No Current Sense Resistor Required Constant Frequency Current Mode Operation for Excellent Line and Load Transient Response Wide VIN Range: 2.75V to 9.8V Wide VOUT Range: 0.6V to VIN 0.6V ±1.5% Reference Low Dropout Operation: 100% Duty Cycle Selectable Burst Mode®/Pulse-Skipping/Forced Continuous Operation Auxiliary Winding Regulation Internal Soft-Start Circuitry Selectable Maximum Peak Current Sense Threshold Output Overvoltage Protection Micropower Shutdown: IQ = 9µA Tiny Thermally Enhanced Leadless (3mm × 3mm) DFN or 10-lead MSOP Packages

Micropower Synchronous Buck-Boost DC/DC Converter for WCDMA Applications Features: Optimized Features for WCDMA Handsets Regulated Output with Input Voltages Above, Below, or Equal to the Output 0.5V to 5V Output Range Up to 400mA Continuous Output Current From a Single Lithium-Ion Cell Minimal External Components 1.5MHz Fixed Frequency Operation Internal Loop Compensation for Fast Response <25μs Full Scale Output Slewing; COUT 4.7μF Output Disconnect in Shutdown 2.75V to 5.5V Input <1μA Shutdown Current Internal Soft-Start Output Overvoltage Protection Single Inductor, No Schottky Diodes Required Small, Thermally Enhanced 8-Lead (3mm × 3mm) DFN Package