60V Current Mode Synchronous Switching Regulator Controller Features: High Voltage Operation: Up to 60V Large 1 Gate Drivers No Current Sense Resistor Required Dual N-Channel MOSFET Synchronous Drive Extremely Fast Transient Response ±0.5% 0.8V Voltage Reference Programmable Output Voltage Tracking/Soft-Start Generates 5.5V Driver Supply from Input Supply Synchronizable to External Clock Selectable Pulse Skip Mode Operation Power Good Output Voltage Monitor Adjustable On-Time/Frequency: tON(MIN) < 100ns Adjustable Cycle-by-Cycle Current Limit Programmable Undervoltage Lockout Output Overvoltage Protection Thermally Enhanced 32-Pin QFN Package

60V Current Mode Synchronous Switching Regulator Controller Features: High Voltage Operation: Up to 60V Large 1 Gate Drivers No Current Sense Resistor Required Dual N-Channel MOSFET Synchronous Drive Extremely Fast Transient Response ±0.5% 0.8V Voltage Reference Programmable Output Voltage Tracking/Soft-Start Generates 5.5V Driver Supply from Input Supply Synchronizable to External Clock Selectable Pulse Skip Mode Operation Power Good Output Voltage Monitor Adjustable On-Time/Frequency: tON(MIN) < 100ns Adjustable Cycle-by-Cycle Current Limit Programmable Undervoltage Lockout Output Overvoltage Protection Thermally Enhanced 32-Pin QFN Package

60V Current Mode Synchronous Switching Regulator Controller Features: High Voltage Operation: Up to 60V Large 1Ω Gate Drivers No Current Sense Resistor Required Dual N-Channel MOSFET Synchronous Drive Extremely Fast Transient Response ±0.5% 0.8V Voltage Reference Programmable Soft-Start Generates 5.5V Driver Supply Selectable Pulse-Skipping Mode Operation Power Good Output Voltage Monitor Adjustable On-Time/Frequency: tON(MIN) < 100ns Adjustable Cycle-by-Cycle Current Limit Undervoltage Lockout On Driver Supply Output Overvoltage Protection Thermally Enhanced 16-Pin TSSOP Package

100V Current Mode Synchronous Step-Up Controller Features: High Output Voltages: Up to 100V Large 1Ω Gate Drivers No Current Sense Resistor Required Dual N-Channel MOSFET Synchronous Drive ±0.5% 0.8V Voltage Reference Fast Transient Response Programmable Soft-Start Generates 10V Driver Supply from Input Supply Synchronizable to External Clock Power Good Output Voltage Monitor Adjustable Off-Time/Frequency: tOFF(MIN) < 100ns Adjustable Cycle-by-Cycle Current Limit Programmable Undervoltage Lockout Output Overvoltage Protection 28-Pin SSOP Package

Low IQ, Dual, 2-Phase Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating IQ: 80µA (One Channel On) Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Selectable Continuous, Pulse Skipping or Low Ripple Burst Mode® Operation at Light Loads 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 Output Overvoltage Protection Low Shutdown IQ: 8µA Internal LDO Powers Gate Drive from VIN or VOUT Small 28-Lead SSOP Package

Low IQ, Dual, 2-Phase Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating IQ: 80µA (One Channel On) Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads 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 Output Overvoltage Protection Low Shutdown IQ: 8µA Internal LDO Powers Gate Drive from VIN or VOUT Small 5mm × 5mm QFN Package 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