3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp Features: Optional Nonlinear Control for Fast Response ±0.75%, 0.6V Reference Accuracy PWM, Stage Shedding™ or Burst Mode® Operation High Efficiency: Up to 95% RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation Phase-Lockable Fixed Frequency: 250kHz to 770kHz True Remote Sense Differential Amplifier Programmable Active Voltage Positioning (AVP) Triple N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V Operation VOUT Range: 0.6V to 5V without Diffamp VOUT Range: 0.6V to 3.3V with Diffamp Clock Input and Output for 6-Phase Operation Adjustable Soft-Start or VOUT Tracking 38-Pin (5mm × 7mm) QFN and FE Packages AEC-Q100 Qualified for Automotive Applications

3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp Features: Optional Nonlinear Control for Fast Response ±0.75%, 0.6V Reference Accuracy PWM, Stage Shedding™ or Burst Mode® Operation High Efficiency: Up to 95% RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation Phase-Lockable Fixed Frequency: 250kHz to 770kHz True Remote Sense Differential Amplifier Programmable Active Voltage Positioning (AVP) Triple N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V Operation VOUT Range: 0.6V to 5V without Diffamp VOUT Range: 0.6V to 3.3V with Diffamp Clock Input and Output for 6-Phase Operation Adjustable Soft-Start or VOUT Tracking 38-Pin (5mm × 7mm) QFN and FE Packages AEC-Q100 Qualified for Automotive Applications

3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp Features: Optional Nonlinear Control for Fast Response ±0.75%, 0.6V Reference Accuracy PWM, Stage Shedding™ or Burst Mode® Operation High Efficiency: Up to 95% RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation Phase-Lockable Fixed Frequency: 250kHz to 770kHz True Remote Sense Differential Amplifier Programmable Active Voltage Positioning (AVP) Triple N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V Operation VOUT Range: 0.6V to 5V without Diffamp VOUT Range: 0.6V to 3.3V with Diffamp Clock Input and Output for 6-Phase Operation Adjustable Soft-Start or VOUT Tracking 38-Pin (5mm × 7mm) QFN and FE Packages AEC-Q100 Qualified for Automotive Applications

3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp Features: Optional Nonlinear Control for Fast Response ±0.75%, 0.6V Reference Accuracy PWM, Stage Shedding™ or Burst Mode® Operation High Efficiency: Up to 95% RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation Phase-Lockable Fixed Frequency: 250kHz to 770kHz True Remote Sense Differential Amplifier Programmable Active Voltage Positioning (AVP) Triple N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V Operation VOUT Range: 0.6V to 5V without Diffamp VOUT Range: 0.6V to 3.3V with Diffamp Clock Input and Output for 6-Phase Operation Adjustable Soft-Start or VOUT Tracking 38-Pin (5mm × 7mm) QFN and FE Packages AEC-Q100 Qualified for Automotive Applications

3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp Features: Optional Nonlinear Control for Fast Response ±0.75%, 0.6V Reference Accuracy PWM, Stage Shedding™ or Burst Mode® Operation High Efficiency: Up to 95% RSENSE or DCR Current Sensing Programmable DCR Temperature Compensation Phase-Lockable Fixed Frequency: 250kHz to 770kHz True Remote Sense Differential Amplifier Programmable Active Voltage Positioning (AVP) Triple N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V Operation VOUT Range: 0.6V to 5V without Diffamp VOUT Range: 0.6V to 3.3V with Diffamp Clock Input and Output for 6-Phase Operation Adjustable Soft-Start or VOUT Tracking 38-Pin (5mm × 7mm) QFN and FE Packages AEC-Q100 Qualified for Automotive Applications

High Power Step-Down Synchronous DC/DC Controllers for Low Voltage Operation Features: High Power Switching Regulator Controller for 3.3V-5V to 1.xV-3.xV Step-Down Applications No Current Sense Resistor Required Low Input Supply Voltage Range: 3V to 8V Maximum Duty Cycle >91% Over Temperature All N-Channel External MOSFETs Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations High Efficiency: Over 95% Possible Adjustable or Fixed 3.3V Output (16-Pin Version) Programmable Fixed Frequency Operation: 100kHz to 500kHz External Clock Synchronization Soft-Start (16-Pin Version and LTC3830-1) Low Shutdown Current: <10µA Overtemperature Protection Available in S8, S16 and SSOP-16 Packages

High Power Synchronous Switching Regulator Controller for DDR Memory Termination Features: High Power Switching Regulator Controller for DDR Memory Termination VOUT Tracks 1/2 of VIN or External VREF No Current Sense Resistor Required Low Input Supply Voltage Range: 3V to 8V Maximum Duty Cycle >91% Over Temperature Drives All N-Channel External MOSFETs High Efficiency: Over 95% Possible Programmable Fixed Frequency Operation: 100kHz to 500kHz External Clock Synchronization Operation Programmable Soft-Start Low Shutdown Current: <10µA Overtemperature Protection Available in 16-Pin Narrow SSOP Package

High Power Step-Down Synchronous DC/DC Controllers for Low Voltage Operation Features: VOUT as Low as 0.6V High Power Switching Regulator Controller for 3.3V-5V to 0.6V-3.xV Step-Down Applications No Current Sense Resistor Required Low Input Supply Voltage Range: 3V to 8V Maximum Duty Cycle >91% Over Temperature All N-Channel External MOSFETs Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations High Efficiency: Over 95% Possible Adjustable or Fixed 2.5V Output (LTC3832) Programmable Fixed Frequency Operation: 100kHz to 500kHz External Clock Synchronization Soft-Start Low Shutdown Current: <10µA Overtemperature Protection Available in SO-8 and SSOP-16 Packages

Fast Accurate Step-Down DC/DC Controller with Differential Output Sensing Features: Wide VIN Range: 4.5V to 38V VOUT Range: 0.6V to 5.5V Output Accuracy: ±0.25% at 25°C and ±0.67% over Temperature Differential Output Sensing Allowing Up to 500mV Line Loss Fast Load Transient Response tON(MIN) = 20ns, tOFF(MIN) = 90ns Controlled On-Time Valley Current Mode Architecture Frequency Programmable from 200kHz to 2MHz and Synchronizable to External Clock RSENSE or Inductor DCR Current Sensing Overvoltage Protection and Current Limit Foldback Power Good Output Voltage Monitor Output Tracking or Adjustable Soft-Start External VCC Input for Bypassing Internal LDO 20-Pin QFN (3mm × 4mm) and TSSOP Packages

30A IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V VOUT 10V Low Operating IQ: 30μA OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Output Overvoltage Protection Low Shutdown IQ: 4μA Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 16-Lead Narrow SSOP or 5mm × 3mm DFN Package

30A IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating Quiescent Current: 30μA OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Power Good Output Voltage Monitor Clock Output for PolyPhase® Applications Output Overvoltage Protection Low Shutdown IQ: 4μA Internal LDO Powers Gate Drive from VIN or VOUT Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 20-Lead TSSOP or 4mm × 5mm QFN Package

30A IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V VOUT 10V Low Operating IQ: 30μA OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Output Overvoltage Protection Low Shutdown IQ: 4μA Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 16-Lead Narrow SSOP or 5mm × 3mm DFN Package

30A IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating Quiescent Current: 30μA OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Power Good Output Voltage Monitor Clock Output for PolyPhase® Applications Output Overvoltage Protection Low Shutdown IQ: 4μA Internal LDO Powers Gate Drive from VIN or VOUT Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 20-Lead TSSOP or 4mm × 5mm QFN Package

Low IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating IQ: 80µA OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Output Overvoltage Protection Low Shutdown IQ: 10µA Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 16-Lead Narrow SSOP or 3mm × 5mm DFN Package

Low IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating IQ: 80µA OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Output Overvoltage Protection Low Shutdown IQ: 10µA Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 16-Lead Narrow SSOP or 3mm × 5mm DFN Package

Low IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating Quiescent Current: 80μA OPTI-LOOP® Compensation Minimizes COUT 1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Power Good Output Voltage Monitor Clock Output for PolyPhase® Applications Output Overvoltage Protection Low Shutdown IQ: 10μA Internal LDO Powers Gate Drive from VIN or VOUT Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 20-Lead TSSOP or 4mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

Low IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating IQ: 80µA OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Output Overvoltage Protection Low Shutdown IQ: 10µA Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 16-Lead Narrow SSOP or 3mm × 5mm DFN Package

Low IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating Quiescent Current: 80μA OPTI-LOOP® Compensation Minimizes COUT 1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Power Good Output Voltage Monitor Clock Output for PolyPhase® Applications Output Overvoltage Protection Low Shutdown IQ: 10μA Internal LDO Powers Gate Drive from VIN or VOUT Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 20-Lead TSSOP or 4mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

Low IQ Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating Quiescent Current: 80μA OPTI-LOOP® Compensation Minimizes COUT 1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Power Good Output Voltage Monitor Clock Output for PolyPhase® Applications Output Overvoltage Protection Low Shutdown IQ: 10μA Internal LDO Powers Gate Drive from VIN or VOUT Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Small 20-Lead TSSOP or 4mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

Dual 2-Phase, No RSENSE Low VIN Synchronous Controller Features: No Current Sense Resistors Required Out-of-Phase Controllers Reduce Required Input Capacitance All N-Channel Synchronous Drive VIN Range: 2.75V to 4.5V Constant-Frequency Current Mode Operation 0.6V ±1.5% Voltage Reference Low Dropout Operation: 97% Duty Cycle True PLL for Frequency Locking or Adjustment Selectable Pulse-Skipping/Continuous Operation Tracking Function Internal Soft-Start Circuitry Power Good Output Voltage Monitor Output Overvoltage Protection Micropower Shutdown: IQ = 6.5µA Tiny Low Profile (4mm × 5mm) QFN and Narrow SSOP Packages