| Part Number | LTC3789 |
| Manufacturer | Linear |
| Title | 4-Switch Buck-Boost Controller |
| Description | The LTC®3789 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output... |
| Features |
n Single Inductor Architecture Allows VIN Above, Below or Equal to the Regulated VOUT
n Programmable Input or Output Current n Wide VIN Range: 4V to 38V n 1% Output Voltage Accuracy: 0.8V VOUT 38V n Synchronous Rectification: Up to 98% Efficiency n Current Mode Control n Phase-Lockable Fi... |
| File Size | 516.45KB |
| Datasheet |
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LTC3788-1 : LTC3788-1 2-Phase, Dual Output Synchronous Boost Controller FEATURES DESCRIPTION n Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation n Wide Input Range: 4.5V to 38V (40V Abs Max) and Operates Down to 2.5V After Start-Up n Output Voltages Up to 60V n ±1% 1.2V Reference Voltage n RSENSE or Inductor DCR Current Sensing n 100% Duty Cycle Capability for Synchronous MOSFET n Low Quiescent Current: 125µA n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Adjustable Output Voltage Soft-Start n Power Good Output Voltage Monitor n Low Shutdown Current IQ: 8μA n Internal LDO Powers Gate Drive from VBIAS or EXTVCC n Available in .
LTC3788 : LTC3788 2-Phase, Dual Output Synchronous Boost Controller Features n Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation n Wide Input Range: 4.5V to 38V (40V Abs Max) and Operates Down to 2.5V After Start-Up n Output Voltages Up to 60V n ±1% 1.2V Reference Voltage n RSENSE or Inductor DCR Current Sensing n 100% Duty Cycle Capability for Synchronous MOSFET n Low Quiescent Current: 125µA n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Selectable Current Limit n Adjustable Output Voltage Soft-Start n Power Good Output Voltage Monitors n Low Shutdown Current IQ: 8μA n Internal LDO Powers Gate Drive from VBIAS or EXTVCC n T.
LTC3787 : LTC3787 PolyPhase Synchronous Boost Controller FEATURES n 2-Phase Operation Reduces Required Input and Output Capacitance and Power Supply Induced Noise n Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation n Wide VIN Range: 4.5V to 38V (40V Abs Max) and Operates Down to 2.5V After Start-Up n Output Voltage Up to 60V n ±1% 1.200V Reference Voltage n RSENSE or Inductor DCR Current Sensing n 100% Duty Cycle Capability for Synchronous MOSFET n Low Quiescent Current: 135μA n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Power Good Output Voltage Monitor n Low Shutdown Current, IQ 8μA n Internal LDO Powers Gate Drive from VB.
LTC3786 : FEATURES n Synchronous Operation For Highest Efficiency and Reduced Heat Dissipation n Wide VIN Range: 4.5V to 38V (40V Abs Max) and Operates Down to 2.5V After Start-Up n Output Voltages Up to 60V n ±1% 1.2V Reference Voltage n RSENSE or Inductor DCR Current Sensing n 100% Duty Cycle Capability for Synchronous MOSFET n Low Quiescent Current: 55µA n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Adjustable Output Voltage Soft-Start n Power Good Output Voltage Monitor n Low Shutdown Current IQ: 8µA n Internal 5.4V LDO for Gate Drive Supply n Thermally Enhanced 16-Pin 3mm × 3mm QFN and MSOP Packages APPLICATIONS n Industrial and Automotive Power .