LTC3835IUFD#TRPBF
ActiveLOW IQSYNCHRONOUS STEP-DOWN CONTROLLER
Deep-Dive with AI
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LTC3835IUFD#TRPBF
ActiveLOW IQSYNCHRONOUS STEP-DOWN CONTROLLER
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | LTC3835IUFD#TRPBF |
|---|---|
| Clock Sync | False |
| Control Features | Enable, Phase Control, Soft Start, Power Good, Tracking |
| Duty Cycle (Max) [Max] | 99.4 % |
| Frequency - Switching [Max] | 530 kHz |
| Frequency - Switching [Min] | 250 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | -40 ¯C |
| Output Configuration | Positive |
| Output Phases | 1 |
| Output Type | Transistor Driver |
| Package / Case | 20-WFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (4x5) |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) [Max] | 36 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 4 V |
| Part | Frequency - Switching [Min] | Frequency - Switching [Max] | Control Features | Supplier Device Package | Duty Cycle (Max) [Max] | Output Type | Topology | Mounting Type | Clock Sync | Synchronous Rectifier | Number of Outputs | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Package / Case | Package / Case | Function | Output Phases | Output Configuration | Operating Temperature [Max] | Operating Temperature [Min] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-TSSOP-EP | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-TSSOP Exposed Pad | 0.173 " 4.4 mm | Step-Down | 1 | Positive | 85 C | -40 ¯C | ||
 Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-QFN (4x5) | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-WFQFN Exposed Pad | Step-Down | 1 | Positive | 85 C | -40 ¯C | |||
Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-QFN (4x5) | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-WFQFN Exposed Pad | Step-Down | 1 | Positive | 85 C | -40 ¯C | |||
Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-TSSOP-EP | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-TSSOP Exposed Pad | 0.173 " 4.4 mm | Step-Down | 1 | Positive | 85 C | -40 ¯C | ||
Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-TSSOP-EP | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-TSSOP Exposed Pad | 0.173 " 4.4 mm | Step-Down | 1 | Positive | 85 C | -40 ¯C | ||
Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-QFN (4x5) | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-WFQFN Exposed Pad | Step-Down | 1 | Positive | 85 C | -40 ¯C | |||
Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-TSSOP-EP | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-TSSOP Exposed Pad | 0.173 " 4.4 mm | Step-Down | 1 | Positive | 85 C | -40 ¯C | ||
Analog Devices Inc./Maxim Integrated | 250 kHz | 530 kHz | Enable Phase Control Power Good Soft Start Tracking | 20-QFN (4x5) | 99.4 % | Transistor Driver | Buck | Surface Mount | 1 | 4 V | 36 V | 20-WFQFN Exposed Pad | Step-Down | 1 | Positive | 85 C | -40 ¯C |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | Updated |
|---|---|---|---|---|
| Digikey | N/A | 0 | $ 6.41 | 1m+ |
| Tape & Reel (TR) | 2500 | $ 6.41 | 1m+ | |
Description
General part information
LTC3835 Series
The LTC3835 is a high performance step-down switching regulator controller that drives an all N-channel synchronous power MOSFET stage. A constant-frequency current mode architecture allows a phase-lockable frequency of up to 650kHz.The 80μA no-load quiescent current extends operating life in battery powered systems. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC3835 features a precision 0.8V reference and a power good output indicator. The 4V to 36V input supply range encompasses a wide range of battery chemistries.The TRACK/SS pin ramps the output voltage during startup. Current foldback limits MOSFET heat dissipation during short-circuit conditions.Comparison of LTC3835 and LTC3835-1PART #CLKOUT/PHASMDEXTVCCPGOODPACKAGESLTC3835YesYesYesFE20/4 × 5 QFNLTC3835-1NoNoNoGN16/3 × 5 DFNApplicationsAutomotive SystemsTelecom SystemsBattery-Operated Digital DevicesDistributed DC Power SystemsAll registered trademarks and trademarks are the property of their respective owners. Protected by U.S. patents, including 5408150, 5481178, 5705919, 5929620, 6304066, 6498466, 6580258, 6611131.
Documents
Technical documentation and resources