Datasheets
FSQ321L by:

Switching Regulator, Current-mode, 0.67A, 67kHz Switching Freq-Max, PDSO8, MLSOP-8

Part Details for FSQ321L by Fairchild Semiconductor Corporation

Overview of FSQ321L by Fairchild Semiconductor Corporation

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Applications Internet of Things (IoT) Environmental Monitoring Financial Technology (Fintech) Smart Cities Transportation and Logistics Agriculture Technology Telecommunications Virtual Reality (VR), Augmented Reality (AR), and Vision Systems Education and Research Consumer Electronics Security and Surveillance Audio and Video Systems Computing and Data Storage Healthcare Electronic Manufacturing Entertainment and Gaming

Price & Stock for FSQ321L

Part # Distributor Description Stock Price Buy
DISTI # 2156-FSQ321L-ND
DigiKey IC OFFLINE SWITCH FLYBACK 8LSOP Min Qty: 544 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT 4001
In Stock
  • 544 $0.5500
$0.5500 Buy Now
Rochester Electronics FSQ321 - Switching Regulator, Current-mode, 0.67A, 67kHz Switching Freq-Max, PDSO8 ' RoHS: Compliant Status: Obsolete Min Qty: 1 4001
  • 1 $0.5574
  • 25 $0.5463
  • 100 $0.5240
  • 500 $0.5017
  • 1,000 $0.4738
$0.4738 / $0.5574 Buy Now

Part Details for FSQ321L

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FSQ321L Part Data Attributes

FSQ321L Fairchild Semiconductor Corporation
Buy Now Datasheet
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FSQ321L Fairchild Semiconductor Corporation Switching Regulator, Current-mode, 0.67A, 67kHz Switching Freq-Max, PDSO8, MLSOP-8
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP
Part Package Code SOP
Package Description MLSOP-8
Pin Count 8
Manufacturer Package Code 8LD,LSOP,.300" WIDE, SURFACE MOUNT
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8541.29.00.95
Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Min 9 V
Input Voltage-Nom 15 V
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Length 9.2 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 0.67 A
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code GWDIP8,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 250
Qualification Status Not Qualified
Seated Height-Max 3.7 mm
Surface Mount YES
Switcher Configuration SINGLE
Switching Frequency-Max 67 kHz
Temperature Grade INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Pitch 2.54 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 6.4 mm

Alternate Parts for FSQ321L

This table gives cross-reference parts and alternative options found for FSQ321L. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of FSQ321L, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
TNY254P Switching Regulator, 0.4A, 48kHz Switching Freq-Max, PDIP8, 0.300 INCH, PLASTIC, DIP-8 Power Integrations FSQ321L vs TNY254P
TOP244Y Switching Regulator, Voltage-mode, 2.16A, 140kHz Switching Freq-Max, CMOS, PZFM6, TO-220, 7/6 PIN Power Integrations FSQ321L vs TOP244Y
FSDL0365RL Switching Regulator, Current-mode, 12A, 55kHz Switching Freq-Max, PDSO8, SOP-8 Fairchild Semiconductor Corporation FSQ321L vs FSDL0365RL
VIPER22ASTR-E Fixed frequency off line converter STMicroelectronics FSQ321L vs VIPER22ASTR-E
KA5L0165R Switching Regulator, Current-mode, 0.67A, 50kHz Switching Freq-Max, PSFM4, TO-220F, 4 PIN Fairchild Semiconductor Corporation FSQ321L vs KA5L0165R
KA5M0165RTU Switching Regulator, Current-mode, 4A, 73kHz Switching Freq-Max, PSFM4, TO-220F, 4 PIN Fairchild Semiconductor Corporation FSQ321L vs KA5M0165RTU
VIPER22AS13TR 0.84A SWITCHING REGULATOR, 66kHz SWITCHING FREQ-MAX, PDSO8, SO-8 STMicroelectronics FSQ321L vs VIPER22AS13TR
KA5L0380R Switching Regulator, Current-mode, 2.41A, 50kHz Switching Freq-Max, PSFM4, TO-220F, 4 PIN Fairchild Semiconductor Corporation FSQ321L vs KA5L0380R
FSQ0365RN 1.68 A SWITCHING REGULATOR, 67 kHz SWITCHING FREQ-MAX, PDIP8, MS-001BA, DIP-8 Rochester Electronics LLC FSQ321L vs FSQ0365RN
TNY267P Switching Regulator, Current-mode, 0.72A, 140kHz Switching Freq-Max, PDIP7, 0.300 INCH, PLASTIC, MS-001-AB, DIP-8 Power Integrations FSQ321L vs TNY267P

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