Product Summary
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
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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
Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||||||
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LTC3859AEUHF#PBF |
IC REG CTRLR BST PWM CM 38-QFN |
Data Sheet |
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Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||||||
LTC3025 |
Other |
Data Sheet |
Negotiable |
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LTC3025EDC#TR |
IC REG LDO ADJ .3A 6DFN |
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LTC3025EDC#TRM |
IC REG LDO ADJ .3A 6DFN |
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LTC3025EDC#TRMPBF |
IC REG LDO ADJ .3A 6DFN |
Data Sheet |
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LTC3025EDC#TRPBF |
IC REG LDO ADJ .3A 6DFN |
Data Sheet |
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LTC3025EDC-1#TRMPBF |
IC REG LDO ADJ .5A 6DFN |
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