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ADI LTC3631EDD-3.3#PBF product image
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ADI LTC3631EDD-3.3#PBF

Manufacturer
ADI
MPN
LTC3631EDD-3.3#PBF
LCSC Part #
C685488
Packaging
DFN-8-EP(3x3)
Customer #
Key Attributes
250kHz Step-down type Fixed 100mA 3.3V DFN-8-EP(3x3) Voltage Regulators - DC DC Switching Regulators RoHS
Datasheetpdf iconADI LTC3631EDD-3.3#PBF
RoHS Compliance1 documents available
Alternative Parts4
Out of Stock
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QtyUnit Price(Reference Only)Total Amount
1+$ 5.4253$ 5.43
200+$ 2.1007$ 420.14
500+$ 2.0266$ 1013.30
1,000+$ 1.9896$ 1989.60
Standard Packaging121/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerADI
PackagingDFN-8-EP(3x3)
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching250kHz
FunctionStep-down type
Number of Outputs1
FeaturesAdjustable current limiting;Adjustable soft-start;Light load efficient mode;Overcurrent Protection
TopologyBuck
Output TypeFixed
Operating Voltage4.5V~45V
Switch tube (built-in/external)Built-in
Output Current100mA
Output Voltage3.3V
Quiescent Current-
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Introduction

AI Translation

The LTC3631 is a high voltage, high efficiency step-down DC/DC converter with internal high side and synchronous power switches that draws only 12μA typical DC supply current at no load while maintaining output voltage regulation. The LTC3631 can supply up to 100mA load current and features a programmable peak current limit that provides a simple method for optimizing efficiency in lower current applications. The LTC3631’s combination of Burst Mode operation, integrated power switches, low quiescent current, and programmable peak current limit provides high efficiency over a broad range of load currents. With its wide 4.5V to 45V input range and internal overvoltage monitor capable of protecting the part from 60V surges, the LTC3631 is a robust converter suited for regulating a wide variety of power sources. Additionally, the LTC3631 includes a precise run threshold and a soft‑start feature to guarantee that power system start-up is well-controlled in any environment. The LTC3631 is available in the thermally enhanced 3mm×3mm DFN and MS8E packages.

Features

AI Translation
  • Wide Input Voltage Range: Operation from 4.5V to 45V
  • Overvoltage Lockout Provides Protection Up to 60V
  • Internal High Side and Low Side Power Switches
  • No Compensation Required
  • 100mA Output Current
  • Low Dropout Operation: 100% Duty Cycle
  • Low Quiescent Current: 12µA
  • 0.8V±1% Feedback Voltage Reference
  • Adjustable Peak Current Limit
  • Internal and External Soft-Start
  • Precise RUN Pin Threshold with Adjustable Hysteresis
  • 3.3V, 5V and Adjustable Output Versions
  • Only Three External Components Required for Fixed Output Versions
  • Low Profile (0.75mm) 3mm×3mm DFN and Thermally-Enhanced MS8E Packages

Applications

AI Translation
  • 4mA to 20mA Current Loops
  • Industrial Control Supplies
  • Distributed Power Systems
  • Portable Instruments
  • Battery-Operated Devices
  • Automotive Power Systems

Alternative Parts

MPNManufacturerPackagingAvailabilityUnit Price
LTC3631IDD-3.3#TRPBFADIDFN-8-EP(3x3)0$ 6.2372
LTC3631EDD-3.3#TRPBFADIDFN-8-EP(3x3)0$ 5.4253
LTC3631IDD-3.3#PBFADIDFN-8-EP(3x3)0$ 6.2372
NCV890100MWTXGonsemiDFN-8-EP(3x3)0$ 1.9038