Doubler Charge Pumps with Low Noise Linear Regulator Features: Low Output Noise: 60µVRMS (100kHz BW) Adjustable or Fixed Boosted Output Adjustable Output Voltage Range: 2.5V to 5.5V Fixed Output Voltages: 3.3V, 5V Wide Input Voltage Range: 1.8V to 4.4V Uses Small Ceramic Capacitors No Inductors Required Output Current up to 50mA 550kHz Switching Frequency Low Operating Current: 150µA Low Shutdown Current: 1µA Internal Thermal Shutdown and Current Limiting Available in 8-Pin MSOP and SO Packages

Doubler Charge Pumps with Low Noise Linear Regulator Features: Low Output Noise: 60µVRMS (100kHz BW) Adjustable or Fixed Boosted Output Adjustable Output Voltage Range: 2.5V to 5.5V Fixed Output Voltages: 3.3V, 5V Wide Input Voltage Range: 1.8V to 4.4V Uses Small Ceramic Capacitors No Inductors Required Output Current up to 50mA 550kHz Switching Frequency Low Operating Current: 150µA Low Shutdown Current: 1µA Internal Thermal Shutdown and Current Limiting Available in 8-Pin MSOP and SO Packages

Doubler Charge Pumps with Low Noise Linear Regulator Features: Low Output Noise: 60µVRMS (100kHz BW) Adjustable or Fixed Boosted Output Adjustable Output Voltage Range: 2.5V to 5.5V Fixed Output Voltages: 3.3V, 5V Wide Input Voltage Range: 1.8V to 4.4V Uses Small Ceramic Capacitors No Inductors Required Output Current up to 50mA 550kHz Switching Frequency Low Operating Current: 150µA Low Shutdown Current: 1µA Internal Thermal Shutdown and Current Limiting Available in 8-Pin MSOP and SO Packages

Doubler Charge Pumps with Low Noise Linear Regulator Features: Low Output Noise: 60µVRMS (100kHz BW) Adjustable or Fixed Boosted Output Adjustable Output Voltage Range: 2.5V to 5.5V Fixed Output Voltages: 3.3V, 5V Wide Input Voltage Range: 1.8V to 4.4V Uses Small Ceramic Capacitors No Inductors Required Output Current up to 50mA 550kHz Switching Frequency Low Operating Current: 150µA Low Shutdown Current: 1µA Internal Thermal Shutdown and Current Limiting Available in 8-Pin MSOP and SO Packages

Dual 550kHz Synchronous 2-Phase Switching Regulator Controller Features: Two Independent Controllers in One Package Two Sides Run Out-of-Phase to Minimize CIN All N-Channel External MOSFET Architecture No External Current Sense Resistors Excellent Output Regulation: 1% Total Output Accuracy 550kHz Switching Frequency Minimizes External Component Size 1A to 25A Output Current per Channel High Efficiency over Wide Load Current Range Quiescent Current Drops Below 100µA in Shutdown Small 24-Pin Narrow SSOP Package

Isolated Secondary Synchronous Rectifier Controller Features: High Efficiency Over Wide Load Current Range ±0.8% Output Voltage Accuracy Dual N-Channel MOSFET Synchronous Drivers Pulse Transformer Synchronization Optocoupler Feedback Driver Programmable Current Limit Protection ±5% Margin Output Voltage Adjustment Adjustable Overvoltage Fault Protection Power Good Flag Auxiliary 3.3V Logic Supply Available in 16-Lead SSOP and SO Packages

5-Bit VID Voltage Programmer for AMD Opteron CPUs Features: Programs Regulator Output Voltage Range from 0.8V to 1.55V in 25mV Steps Programs a Wide Range of ADI DC/DC Converters with a 0.6V Reference ±0.35% Accurate Output Voltage Built-In 40k Pull-Up Resistors on VID Inputs Available in MSOP-10 Package

Dual 550kHz Synchronous 2-Phase Switching Regulator Controller Features: Two Independent Controllers in One Package Two Sides Run Out-of-Phase to Minimize CIN All N-Channel External MOSFET Architecture No External Current Sense Resistors Excellent Output Regulation: 1% Total Output Accuracy 550kHz Switching Frequency Minimizes External Component Size 1A to 25A Output Current per Channel High Efficiency over Wide Load Current Range Quiescent Current Drops Below 100µA in Shutdown Small 24-Pin Narrow SSOP Package

550kHz Synchronous Switching Regulator Controller Plus Linear Regulator Controller Features: Dual Regulated Outputs: One Switching Regulator and One Linear Regulator Excellent DC Accuracy: ±1.5% for Switcher and ±2% for Linear Regulator External N-Channel MOSFET Architecture No External Current Sense Resistor Required Burst Mode® Operation at Light Load (LTC1704) Continuous Switching at Light Load (LTC1704B) Linear Regulator with Programmable Current Limit Linear Regulator with Programmable Start-Up Delay Low Shutdown Current: <150µA High Efficiency Over Wide Load Current Range PGOOD Flag Monitors Both Outputs Small 16-Pin Narrow SSOP Package

Low Noise, Switched Capacitor Regulated Voltage Inverters Features: Regulated Negative Voltage from a Single Positive Supply Low Output Ripple: Less Than 1mVP-P Typ High Charge Pump Frequency: 900kHz Typ Small Charge Pump Capacitors: 0.1µF Requires Only Four External Capacitors Fixed ±4.1V, ±2.5V, ±2V or Adjustable Output Shutdown Mode Drops Supply Current to <1µA High Output Current: Up to 20mA (Depending on VCC to VOUT Range) Output Regulation: 2.5% Over Line, Load and Temperature Available in 8-Lead MSOP, 8-Lead Narrow SO and 16-Lead Narrow SSOP