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ADI LT8618EDDB#WTRMPBF product image
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ADI LT8618EDDB#WTRMPBF

Manufacturer
ADI
MPN
LT8618EDDB#WTRMPBF
LCSC Part #
C3187537
Packaging
DFN-10(2x3)
Customer #
Key Attributes
2.2MHz Step-down type Fixed 100mA 3.3V DFN-10(2x3) Voltage Regulators - DC DC Switching Regulators RoHS
DatasheetADI LT8618EDDB#WTRMPBF
RoHS Compliance1 documents available
Alternative Parts9
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QtyUnit Price(Reference Only)Total Amount
1+$ 7.9547$ 7.95
200+$ 3.0793$ 615.86
500+$ 2.9708$ 1485.40
1,000+$ 2.9166$ 2916.60
Standard Packaging500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerADI
PackagingDFN-10(2x3)
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching2.2MHz
FunctionStep-down type
Number of Outputs1
FeaturesAdjustable current limiting;Light load efficient mode;Output voltage tracking;Operating status indication
TopologyBuck
Output TypeFixed
Operating Voltage3.4V~60V
Switch tube (built-in/external)Built-in
Output Current100mA
Output Voltage3.3V
Quiescent Current-
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Introduction

AI Translation

The LT8618 family are compact, high speed synchronous monolithic step-down switching regulators that deliver up to 100mA to the output with high efficiency at a constant frequency, even up to 2.2MHz. They accept a wide input voltage range up to 65V (transients only, 60V for continuous operation), and consume only 2.5μA of quiescent current when operating in Burst Mode. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The LT8618C includes BST and INTVCC ceramic capacitors for a more compact solution while having SYNC/MODE and HYST pins. The SYNC/MODE pin selects the regulator’s operation between forced continuous mode, for predictive interference in sampling systems, Burst Mode, for increased efficiency at light loads or spread spectrum for Low EMI. It also allows synchronization to an external clock to further increase signal to noise ratio in high-resolution acquisition systems. A PG flag signals when VOUT is within ±7.5% of the programmed output voltage and when in fault conditions. Thermal shutdown provides additional protection.

Features

AI Translation
  • High Efficiency Synchronous Operation

  • 90% Efficiency at 30mA, 12VIN to 3.3VOUT

  • Pin Selectable Forced Continuous or Burst Mode Operation (LT8618C Only)
  • Ultralow Quiescent Current Burst Mode Operation
  • <2.5μA IQ Regulating 48VIN to 3.3VOUT
  • Output Ripple < 10mVP-P
  • 3.4V to 60V Input Operation Range (65V Max)
  • Fast Minimum Switch-On Time: 35ns
  • Adjustable (All) And Synchronizable (LT8618C Only) Switching Frequency: 200kHz to 2.2MHz
  • Fixed 3.3V Output Voltage Version (LT8618-3.3)
  • Accurate 1V Enable Pin Threshold (All) with Adjustable Hysteresis (LT8618C Only)
  • Internal Compensation
  • Output Soft-Start and Tracking
  • Small 12-Lead 2mm × 2mm LQFN (LT8618C) and 10-Lead 3mm × 2mm DFN Packages
  • AEC-Q100 Qualified for Automotive Applications (LT8618/LT8618-3.3)

Applications

AI Translation
  • Industrial Sensors
  • Industrial Internet of Things
  • 4mA to 20mA Current Loops
  • Flow Meters
  • Automotive Housekeeping Supplies

Alternative Parts

MPNManufacturerPackagingAvailabilityUnit Price
LT8618EDDB-3.3#TRPBFADIDFN-10(2x3)0$ 6.5026
LT8618IDDB#TRMPBFADIDFN-10(2x3)0$ 7.5961
LT8618JDDB-3.3#TRMPBFADIDFN-10(2x3)0$ 8.1345
LT8618EDDB-3.3#TRMPBFADIDFN-10(2x3)0$ 6.9218
LT8618IDDB-3.3#TRPBFADIDFN-10(2x3)0$ 7.5961
LT8618EDDB#WTRPBFADIDFN-10(2x3)0$ 7.951
LT8618IDDB#TRPBFADIDFN-10(2x3)0$ 7.5961
LT8618IDDB-3.3#TRMPBFADIDFN-10(2x3)0$ 7.5961
LT8618JDDB-3.3#TRPBFADIDFN-10(2x3)0$ 8.1639