LTC3826EG-1#TRPBF
Active30ΜA IQ, DUAL, 2-PHASE SYNCHRONOUS STEP-DOWN CONTROLLER
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LTC3826EG-1#TRPBF
Active30ΜA IQ, DUAL, 2-PHASE SYNCHRONOUS STEP-DOWN CONTROLLER
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Technical Specifications
Parameters and characteristics for this part
| Specification | LTC3826EG-1#TRPBF |
|---|---|
| Clock Sync | False |
| Control Features | Soft Start, Tracking, Enable, Power Good |
| 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 | 2 |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | -40 ¯C |
| Output Configuration | Positive |
| Output Phases | 2 |
| Output Type | Transistor Driver |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 28-SSOP |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) [Max] | 36 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 4 V |
LTC3826 Series
30µA IQ, Dual, 2-Phase Synchronous Step-Down Controller
| Part | Output Type | Control Features | Function | Output Configuration | Supplier Device Package | Operating Temperature [Max] | Operating Temperature [Min] | Topology | Duty Cycle (Max) [Max] | Output Phases | Synchronous Rectifier | Clock Sync | Number of Outputs | Frequency - Switching [Min] | Frequency - Switching [Max] | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 32-QFN (5x5) | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | |||
Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 28-SSOP | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | 28-SSOP (0.209" 5.30mm Width) | ||
 Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 28-SSOP | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | 28-SSOP (0.209" 5.30mm Width) | ||
Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 28-SSOP | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | 28-SSOP (0.209" 5.30mm Width) | ||
Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 32-QFN (5x5) | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | |||
 Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 32-QFN (5x5) | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | |||
Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 28-SSOP | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | 28-SSOP (0.209" 5.30mm Width) | ||
Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 32-QFN (5x5) | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount | |||
 Analog Devices Inc./Maxim Integrated | Transistor Driver | Enable Power Good Soft Start Tracking | Step-Down | Positive | 32-QFN (5x5) | 85 C | -40 ¯C | Buck | 99.4 % | 2 | 2 | 250 kHz | 530 kHz | 4 V | 36 V | Surface Mount |
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 | $ 7.28 | 1m+ |
| Tape & Reel (TR) | 2000 | $ 7.28 | 1m+ | |
Description
General part information
LTC3826 Series
The LTC3826 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows a phase-lockable frequency of up to 650kHz. Power loss and noise due to the ESR of the input capacitor are minimized by operating the two controller output stages out of phase.The 30μA 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 LTC3826 features a precision 0.8V reference and a power good output indicator. A wide 4V to 36V input supply range encompasses all battery chemistries.Independent TRACK/SS pins for each controller ramp the output voltage during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions.The PLLIN/MODE pin selects among Burst Mode operation, pulse skipping mode, or continuous inductor current mode at light loads. For a leaded package version (28-lead SSOP), see the LTC3826-1 data sheet.PGOODPolyPhaseDefeatable Current FoldbackPackageLTC38262YesYesQFN-32LTC3826-11NoNoSSOP-28ApplicationsAutomotive SystemsBattery-Operated Digital DevicesDistributed DC Power Systems
Documents
Technical documentation and resources