10A Quiescent Current High Efficiency Step-Down DC/DC Controller Features: Very Low Standby Current: 10µA Available in Space-Saving 8-Lead MSOP Package Output Currents: Up to 5A Wide VIN Range: 2.8V to 20V Operation VOUT Range: 1.23V to 18V High Efficiency: Over 93% Possible ±2% Output Accuracy Very Low Dropout Operation: 100% Duty Cycle Current Mode Operation for Excellent Line and Load Transient Response Defeatable Burst Mode™ Operation Short-Circuit Protected Optional Programmable Soft-Start Micropower Shutdown: IQ = 2µA

Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23 Features: High Efficiency: Up to 94% High Output Currents Easily Achieved Wide VIN Range: 2.5V to 9.8V Constant Frequency 550kHz Operation Burst Mode® Operation at Light Load Low Dropout: 100% Duty Cycle Tiny 6-Lead SOT-23 Package 0.8V Reference Allows Low Output Voltages Current Mode Operation for Excellent Line and Load Transient Response Low Quiescent Current: 270µA Shutdown Mode Draws Only 8µA Supply Current ±2.5% Reference Accuracy

Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23 Features: High Efficiency: Up to 94% High Output Currents Easily Achieved Wide VIN Range: 2.5V to 9.8V Constant Frequency 550kHz Operation Burst Mode® Operation at Light Load Low Dropout: 100% Duty Cycle Tiny 6-Lead SOT-23 Package 0.8V Reference Allows Low Output Voltages Current Mode Operation for Excellent Line and Load Transient Response Low Quiescent Current: 270µA Shutdown Mode Draws Only 8µA Supply Current ±2.5% Reference Accuracy

High Input Voltage, Current Mode Boost, Flyback and SEPIC Controller Features: Optimized for High Input Voltage Applications Wide Chip Supply Voltage Range: 6V to 36V Internal 7V Low Dropout Voltage Regulator Optimized for 6V-Rated MOSFETs Current Mode Control Provides Excellent Transient Response High Maximum Duty Cycle (92% Typ) ±2% RUN Pin Threshold with 100mV Hysteresis ±1% Internal Voltage Reference Micropower Shutdown: IQ = 10µA Programmable Operating Frequency (50kHz to 1MHz) with One External Resistor Synchronizable to an External Clock Up to 1.3 × fOSC User-Controlled Pulse Skip or Burst Mode® Operation Output Overvoltage Protection Can be Used in a No RSENSE™ Mode for VDS < 36V Small 10-Lead MSOP Package

High Efficiency Thermoelectric Cooler Controller Features: High Efficiency, Low Noise Topology Adjustable Output Slew Rate Reduces EMI Full-Bridge Controller for Bidirectional Current Control Adjustable Pulse-by-Pulse Bidirectional TEC Current Limit Open/Shorted Thermistor Indication Solution Footprint in Less Than 0.6' x 0.8' (Double-Sided PCB) Available in 5mm x 5mm QFN and 28-Pin SSOP Packages TEC Voltage Clamping TEC Current, Voltage and Heat/Cool Status Outputs Adjustable/Synchronizable Oscillator Frequency Reduces Filter Component Size and System Noise 2.5V Reference Voltage Output 2.7V Minimum Operating Voltage

100mA Regulated Charge-Pump Inverters in ThinSOT Features: Fixed Output Voltages: –3V, –5V or Low Noise VIN to –VIN Inverted Output ±4% Output Voltage Accuracy Low Quiescent Current: 25µA 100mA Output Current Capability 2.3V to 5.5V Operating Voltage Range Internal 900kHz Oscillator 'Zero Current' Shutdown Short-Circuit and Over-Temperature Protected Low Profile (1mm) ThinSOT™ Package

Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID Features: Two Independent PWM Controllers in One Package Side 1 Output Is Compliant with Intel Desktop VRM 8.4 Specifications (Includes 5-Bit VID DAC) 1.3V to 3.5V Output Voltage with 50mV/100mV Steps Two Sides Run Out-of-Phase to Minimize CIN All N-Channel External MOSFET Architecture No External Current Sense Resistors Required Precison Internal 0.8V ±1% Reference 550kHz Switching Frequency Minimizes External Component Size Very Fast Transient Response Up to 25A Output Current per Channel Low Shutdown Current: < 100µA Small 28-Pin SSOP Package

Wide Operating Range, No RSENSETM Step-Down DC/DC Controller with SMBus Programming Features: SMBus/I²C™ Programmable Output Voltage: 1.3V to 3.5V No Sense Resistor Required 2% to 90% Duty Cycle at 200kHz tON(MIN) </= 100ns True Current Mode Control Stable with Ceramic COUT Power Good Output Voltage Monitor and 50µs Timer Wide VIN Range: 4V to 36V (Abs Max) Precision Resistor Divider and Reference Provide ±1.35% Output Voltage Accuracy Over Temperature Adjustable Switching Frequency and Current Limit Forced Continuous Control Pin Programmable Soft-Start Output Overvoltage Protection Optional Short-Circuit Shutdown Timer Available in a 28-Lead SSOP Package

Dual Constant Frequency Current Mode Step-Down DC/DC Controller Features: High Efficiency: Up to 94% High Output Currents Easily Achieved Wide VIN Range: 2.5V to 9.8V Constant Frequency 550kHz Operation Burst Mode™ Operation at Light Load Low Dropout: 100% Duty Cycle 0.8V Reference Allows Low Output Voltages Current Mode Operation for Excellent Line and Load Transient Response Low Quiescent Current: 270µA (Each Controller) Separate Shutdown Pin for Each Controller Shutdown Mode Draws Only 8µA Supply Current (Each Controller) ±2.5% Reference Accuracy Available in 16-Lead Narrow SSOP Each Controller Functions Independent of the Other

Switching Voltage Regulators Hi Eff Sync Buck Sw Regs