Triple Output, Multiphase Synchronous Step-Down Controller Features: Triple, 120° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Configurable as a 180° Dual Phase Controller Plus a Single Phase Controller The Third Phase Can Regulate Up to a 13.5V Output High Efficiency: Up to 92% RSENSE or DCR Current Sensing ±0.75% 0.8V Output Voltage Accuracy Phase-Lockable Fixed Frequency 250kHz to 750kHz Supports Pre-Biased Outputs Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 24V Operation (28V Abs Max) Adjustable Soft-Start Current Ramping or Tracking Foldback Output Current Limiting Output Overvoltage Protection Dual Power Good Output Voltage Monitors 40-Lead 6mm × 6mm QFN Package

Dual, Multiphase Synchronous DC/DC Controller with Differential Remote Sense Features: Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise High Efficiency: Up to 95% RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation ±0.75% 0.6V Output Voltage Accuracy Phase-Lockable Fixed Frequency 250kHz to 770kHz True Remote Sensing Differential Amplifier Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V VOUT Range: 0.6V to 12.5V without Differential Amplifier VOUT Range: 0.6V to 3.3V with Differential Amplifier Clock Input and Output for Up to 12-Phase Operation Adjustable Soft-Start or VOUT Tracking Foldback Output Current Limiting Output Overvoltage Protection 40-Pin (6mm × 6mm) QFN and 38-Lead FE Packages

Dual, Multiphase Synchronous DC/DC Controller with Differential Remote Sense Features: Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise High Efficiency: Up to 95% RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation ±0.75% 0.6V Output Voltage Accuracy Phase-Lockable Fixed Frequency 250kHz to 770kHz True Remote Sensing Differential Amplifier Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V VOUT Range: 0.6V to 12.5V without Differential Amplifier VOUT Range: 0.6V to 3.3V with Differential Amplifier Clock Input and Output for Up to 12-Phase Operation Adjustable Soft-Start or VOUT Tracking Foldback Output Current Limiting Output Overvoltage Protection 40-Pin (6mm × 6mm) QFN and 38-Lead FE Packages

2-Phase Synchronous Step-Down DC/DC Controller with Diffamp Features: PolyPhase® Controller Reduces Input and Output Capacitance and Power Supply Induced Noise Wide VIN Range: 4.5V to 38V Operation ±0.75%, 0.6V Reference Voltage Accuracy High Efficiency: Up to 95% Programmable Burst Mode® Operation or Stage Shedding™ for Highest Light Load Efficiency Active Voltage Positioning (AVP) RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation Phase-Lockable Fixed Frequency: 250kHz to 770kHz True Remote Sense Differential Amplifier Dual N-Channel MOSFET Synchronous Drive VOUT Range: 0.6V to 5V without Differential Amplifier VOUT Range: 0.6V to 3.3V with Differential Amplifier Adjustable Soft-Start or VOUT Tracking Stackable for Up to 12-Phase Operation 32-Pin (5mm × 5mm) QFN and 38-Pin TSSOP Packages

2-Phase Synchronous Step-Down DC/DC Controller with Diffamp Features: PolyPhase® Controller Reduces Input and Output Capacitance and Power Supply Induced Noise Wide VIN Range: 4.5V to 38V Operation ±0.75%, 0.6V Reference Voltage Accuracy High Efficiency: Up to 95% Programmable Burst Mode® Operation or Stage Shedding™ for Highest Light Load Efficiency Active Voltage Positioning (AVP) RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation Phase-Lockable Fixed Frequency: 250kHz to 770kHz True Remote Sense Differential Amplifier Dual N-Channel MOSFET Synchronous Drive VOUT Range: 0.6V to 5V without Differential Amplifier VOUT Range: 0.6V to 3.3V with Differential Amplifier Adjustable Soft-Start or VOUT Tracking Stackable for Up to 12-Phase Operation 32-Pin (5mm × 5mm) QFN and 38-Pin TSSOP Packages

Low IQ, Dual, 2-Phase Synchronous Step-Down Controller Features: Low Operating IQ: 50μA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Wide VIN Range: 4V to 38V (40V Abs Max) RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT Phase-Lockable Frequency (75kHz-850kHz) Programmable Fixed Frequency (50kHz-900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitors Output Overvoltage Protection Low Shutdown IQ : <8μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-up 5mm × 5mm QFN Package

Low IQ, Dual, 2-Phase Synchronous Step-Down Controller Features: Low Operating IQ: 50μA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Wide VIN Range: 4V to 38V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT Phase-Lockable Frequency (75kHz-850kHz) Programmable Fixed Frequency (50kHz-900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitor Output Overvoltage Protection Low Shutdown IQ: <8μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Narrow SSOP Package

Low IQ, Dual 2-Phase Synchronous Step-Down Controller Features: Low Operating IQ: 170μA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Wide VIN Range: 4V to 38V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT Phase-Lockable Frequency (75kHz-850kHz) Programmable Fixed Frequency (50kHz-900kHz) Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start Power Good Output Voltage Monitor Output Overvoltage Protection Output Latch-Off Protection During Short Circuit Low Shutdown IQ: 8μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Tiny 4mm × 5mm QFN and Narrow SSOP Packages

Low IQ, Dual 2-Phase Synchronous Step-Down Controller Features: Low Operating IQ: 170μA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Wide VIN Range: 4V to 38V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT Phase-Lockable Frequency (75kHz-850kHz) Programmable Fixed Frequency (50kHz-900kHz) Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitor Low Shutdown IQ: 8μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up 5mm × 5mm QFN Package

Triple Output, Buck/Buck/Boost Synchronous Controller with 28A Burst Mode IQ Features: Low Operating IQ: 28μA (One Channel On) Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Even in Burst Mode® Operation Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 10μA Small 38-Lead 5mm × 7mm QFN and TSSOP Packages

Triple Output, Buck/Buck/Boost Synchronous Controller with 28A Burst Mode IQ Features: Low Operating IQ: 28μA (One Channel On) Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Even in Burst Mode® Operation Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 10μA Small 38-Lead 5mm × 7mm QFN and TSSOP Packages

Triple Output, Buck/Buck/Boost Synchronous Controller with 28A Burst Mode IQ Features: Low Operating IQ: 28μA (One Channel On) Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Even in Burst Mode® Operation Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 10μA Small 38-Lead 5mm × 7mm QFN and TSSOP Packages

Triple Output, Buck/Buck/Boost Synchronous Controller with 28A Burst Mode IQ Features: Low Operating IQ: 28μA (One Channel On) Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Even in Burst Mode® Operation Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 10μA Small 38-Lead 5mm × 7mm QFN and TSSOP Packages

Triple Output, Buck/Buck/Boost Synchronous Controller with 28A Burst Mode IQ Features: Low Operating IQ: 28μA (One Channel On) Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Even in Burst Mode® Operation Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 10μA Small 38-Lead 5mm × 7mm QFN and TSSOP Packages

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation Features: Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Low Operating IQ: 55μA (One Channel On) Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Even in Burst Mode® Operation Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 14μA Small 38-Pin 5mm × 7mm QFN and TSSOP Packages

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller Features: Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Low Operating IQ: 55μA (One Channel On) Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 14μA Small 38-Pin 5mm × 7mm QFN and TSSOP Packages

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller Features: Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Low Operating IQ: 55μA (One Channel On) Wide Bias Input Voltage Range: 4.5V to 38V Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Boost Output Voltage Up to 60V RSENSE or DCR Current Sensing 100% Duty Cycle for Boost Synchronous MOSFET Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Very Low Buck Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Low Shutdown IQ: 14μA Small 38-Pin 5mm × 7mm QFN and TSSOP Packages

Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing Features: Operates with Power Blocks, DrMOS or External Gate Drivers and MOSFETs Constant-Frequency Voltage Mode Control with Accurate Current Sharing ±0.75% 0.6V Voltage Reference Dual Differential Output Voltage Sense Amplifiers Multiphase Capability—Up to 12-Phase Operation Programmable Current Limit Safely Powers a Prebiased Load Programmable or PLL-Synchronizable Switching Frequency Up to 2.25MHz Lossless Current Sensing Using Inductor DCR or Precision Current Sensing with Sense Resistor VCC Range: 3V to 5.5V VIN Range: 3V to 24V Power Good Output Voltage Monitor Output Voltage Tracking Capability Programmable Soft-Start Available in a 36-Pin 5mm × 6mm QFN Package

Multi-Phase Current Mode Step-Up DC/DC Controller Features: Wide VIN Range: 4V to 36V Operation 2-Phase Operation Reduces Input and Output Capacitance Fixed Frequency, Peak Current Mode Control 5V Gate Drive for Logic-Level MOSFETs Adjustable Slope Compensation Gain Adjustable Max Duty Cycle (Up to 96%) Adjustable Leading Edge Blanking ±1% Internal Voltage Reference Programmable Operating Frequency with One External Resistor (75kHz to 500kHz) Phase-Lockable Fixed Frequency 50kHz to 650kHz SYNC Input and CLKOUT for 2-, 3-, 4-, 6- or 12-Phase Operation (PHASEMODE Programmable) Internal 5V LDO Regulator 24-Lead Narrow SSOP Package 5mm × 5mm QFN with 0.65mm Lead Pitch and 24-Lead Thermally Enhanced TSSOP Packages AEC-Q100 Qualification in Progress

Multi-Phase Current Mode Step-Up DC/DC Controller Features: Wide VIN Range: 5.5V to 36V Operation 2-Phase Operation Reduces Input and Output Capacitance Fixed Frequency, Peak Current Mode Control Internal 10V LDO Regulator Lower UVLO Thresholds Allows the Use of MOSFETs Rated at 6V VGS Adjustable Slope Compensation Gain Adjustable Max Duty Cycle (Up to 96%) Adjustable Leading Edge Blanking ±1% Internal Voltage Reference Programmable Operating Frequency with One External Resistor (75kHz to 500kHz) Phase-Lockable Fixed Frequency 50kHz to 650kHz SYNC Input and CLKOUT for 2-, 3-, 4-, 6- or 12-Phase Operation (PHASEMODE Programmable) 24-Lead Narrow SSOP Package 5mm × 5mm QFN Package with 0.65mm Lead Pitch 24-Lead Thermally Enhanced TSSOP Package