Linear Technology LTC3834IDHC-1#PBF
Part Number:
- LTC3834IDHC-1#PBF
Manufacturer:
- Linear Technology
Ventron No:
- 3752412-LTC3834IDHC-1#PBF
Description:
- IC REG CTRLR BUCK 16-DFN
Datasheet:
- LTC3834IDHC-1#PBF
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Part Overview
Description
The LTC3834-1 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 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 LTC3834-1 features a precision 0.8V reference. The 4V to 36V input supply range encompasses a wide range of battery chemistries. The TRACK/SS pin ramps the output voltage during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions.
Features
Wide Output Voltage Range: 0.8V to 10V
Low Operating IQ: 30μA
OPTI-LOOP Compensation Minimizes COUT
±1% Output Voltage Accuracy
Wide VIN Range: 4V to 36V
Phase-Lockable Fixed Frequency: 140kHz to 650kHz
Dual N-Channel MOSFET Synchronous Drive
Very Low Dropout Operation: 99% Duty Cycle
Adjustable Output Voltage Soft-Start or Tracking
Output Current Foldback Limiting
Output Overvoltage Protection
Low Shutdown IQ: 4μA
Selectable Continuous, Pulse-Skipping, or Burst Mode Operation at Light Loads
Small 16-Lead Narrow SSOP or 5mm x 3mm DFN Package
Applications
Automotive Systems
Telecom Systems
Battery-Operated Digital Devices
Distributed DC Power Systems
The LTC3834-1 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 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 LTC3834-1 features a precision 0.8V reference. The 4V to 36V input supply range encompasses a wide range of battery chemistries. The TRACK/SS pin ramps the output voltage during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions.
Features
Wide Output Voltage Range: 0.8V to 10V
Low Operating IQ: 30μA
OPTI-LOOP Compensation Minimizes COUT
±1% Output Voltage Accuracy
Wide VIN Range: 4V to 36V
Phase-Lockable Fixed Frequency: 140kHz to 650kHz
Dual N-Channel MOSFET Synchronous Drive
Very Low Dropout Operation: 99% Duty Cycle
Adjustable Output Voltage Soft-Start or Tracking
Output Current Foldback Limiting
Output Overvoltage Protection
Low Shutdown IQ: 4μA
Selectable Continuous, Pulse-Skipping, or Burst Mode Operation at Light Loads
Small 16-Lead Narrow SSOP or 5mm x 3mm DFN Package
Applications
Automotive Systems
Telecom Systems
Battery-Operated Digital Devices
Distributed DC Power Systems
Specifications
Linear Technology LTC3834IDHC-1#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology LTC3834IDHC-1#PBF.
- Lifecycle StatusPRODUCTION (Last Updated: 3 weeks ago)
- Factory Lead Time16 Weeks
- Mounting TypeSurface Mount
- Package / Case16-WFDFN Exposed Pad
- Surface MountYES
- Number of Pins16
- Operating Temperature-40°C~85°C TA
- PackagingTube
- Published2007
- JESD-609 Codee3
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- ECCN CodeEAR99
- Terminal FinishMatte Tin (Sn)
- SubcategorySwitching Regulator or Controllers
- TechnologyCMOS
- Terminal PositionDUAL
- Peak Reflow Temperature (Cel)260
- Terminal Pitch0.5mm
- Time@Peak Reflow Temperature-Max (s)30
- Base Part NumberLTC3834
- FunctionStep-Down
- Output TypeTransistor Driver
- Input Voltage-Nom12V
- Analog IC - Other TypeSWITCHING REGULATOR
- Output ConfigurationPositive
- Output Current25A
- Voltage - Supply (Vcc/Vdd)4V~36V
- Control FeaturesEnable, Soft Start, Tracking
- Input Voltage (Min)4V
- TopologyBuck
- Control ModeCURRENT-MODE
- Frequency - Switching250kHz~530kHz
- Input Voltage (Max)36V
- Control TechniquePULSE WIDTH MODULATION
- Synchronous RectifierYes
- Max Frequency580kHz
- Max Duty Cycle99.4 %
- Clock SyncNo
- Number of Output Phases1
- Length5mm
- Height Seated (Max)0.8mm
- Width3mm
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
Certification
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