Datasheets
LT3991IMSE#PBF by:
Analog Devices Inc

Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10

Part Details for LT3991IMSE#PBF by Analog Devices Inc

Results Overview of LT3991IMSE#PBF by Analog Devices Inc

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

LT3991IMSE#PBF Information

LT3991IMSE#PBF by Analog Devices Inc is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for LT3991IMSE#PBF

Part # Distributor Description Stock Price Buy
DISTI # 50AK5760
Newark Dc/Dc Conv, Buck, 2Mhz, 125Deg C, Output Type:Adjustable, No. Of Outputs:1Outputs, Topology:Buck (Step Down), Input Voltage Min:4.3V, Input Voltage Max:55V, Max Output Current:1.2A, Ic Case/Package:Msop-Ep, No. Of Pins:10Pins Rohs Compliant: Yes |Analog Devices LT3991IMSE#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 29
  • 1 $8.9500
  • 10 $6.1000
  • 25 $5.5100
  • 50 $5.1300
$5.1300 / $8.9500 Buy Now
DISTI # LT3991IMSE#PBF-ND
DigiKey IC REG BUCK ADJ 1.2A 10MSOP Min Qty: 1 Lead time: 10 Weeks Container: Tube 311
In Stock
  • 1 $10.5300
  • 10 $7.1760
  • 50 $5.7616
  • 100 $5.3105
  • 250 $4.9125
$4.9125 / $10.5300 Buy Now
DISTI # 584-LT3991IMSE#PBF
Mouser Electronics Switching Voltage Regulators 55V, 1.2A Buck Reg w/ 2.8 A Q C RoHS: Compliant 160
  • 1 $8.9500
  • 10 $6.1000
  • 50 $4.9100
$4.9100 / $8.9500 Buy Now
DISTI # V36:1790_06430346
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 100 Package Multiple: 50 Lead time: 10 Weeks Date Code: 2212 Americas - 46
  • 0 $4.7070
  • 100 $2.2920
$2.2920 / $4.7070 Buy Now
DISTI # V99:2348_06430346
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks Date Code: 2343 Americas - 10
  • 1 $5.4330
  • 10 $4.9880
$4.9880 / $5.4330 Buy Now
Analog Devices Inc 55V, 1.2A Buck Reg w/ 2.8µA Q Package Multiple: 50 113
  • 1 $8.9500
  • 10 $6.0990
  • 1,000 $3.9300
$3.9300 / $8.9500 Buy Now
DISTI # 35211049
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube RoHS: Compliant Min Qty: 50 Package Multiple: 50 Americas - 50
  • 50 $4.8609
$4.8609 Buy Now
DISTI # 63063657
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube RoHS: Compliant Min Qty: 46 Package Multiple: 46 Date Code: 2212 Americas - 46
  • 46 $2.2920
$2.2920 Buy Now
DISTI # 76469447
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2343 Americas - 10
  • 2 $4.6900
$4.6900 Buy Now
Rochester Electronics LT3991 - 55V, 1.2A Step-Down Regulator with 2.8A Quiescent Current RoHS: Compliant Status: Active Min Qty: 1 438
  • 25 $5.1700
  • 100 $4.9100
  • 500 $4.6500
  • 1,000 $4.3900
  • 10,000 $4.1400
$4.1400 / $5.1700 Buy Now
DISTI # V36:1790_06430346
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 100 Package Multiple: 50 Lead time: 10 Weeks Date Code: 2212 Americas - 46
  • 0 $4.7070
  • 100 $2.2920
$2.2920 / $4.7070 Buy Now
DISTI # V99:2348_06430346
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks Date Code: 2343 Americas - 10
  • 1 $5.4330
  • 10 $4.9880
$4.9880 / $5.4330 Buy Now
DISTI # 35211049
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube RoHS: Compliant Min Qty: 50 Package Multiple: 50 Americas - 50
  • 50 $4.8609
$4.8609 Buy Now
DISTI # 63063657
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 46 Package Multiple: 46 Date Code: 2212 Americas - 46
  • 46 $2.2920
$2.2920 Buy Now
DISTI # 76469447
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2343 Americas - 10
  • 2 $4.6900
$4.6900 Buy Now
DISTI # V36:1790_06430346
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 100 Package Multiple: 50 Lead time: 10 Weeks Date Code: 2212 Americas - 46
  • 0 $4.7070
  • 100 $2.2920
$2.2920 / $4.7070 Buy Now
DISTI # V99:2348_06430346
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks Date Code: 2343 Americas - 10
  • 1 $5.4330
  • 10 $4.9880
$4.9880 / $5.4330 Buy Now
DISTI # LT3991IMSE#PBF
Richardson RFPD DC TO DC CONVERTER RoHS: Compliant Min Qty: 100 0
  • 100 $5.5700
  • 500 $5.4200
  • 1,000 $5.2700
  • 5,000 $5.0700
$5.0700 / $5.5700 Buy Now
DISTI # 35211049
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube RoHS: Compliant Min Qty: 50 Package Multiple: 50 Americas - 50
  • 50 $4.8609
$4.8609 Buy Now
DISTI # 63063657
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 46 Package Multiple: 46 Date Code: 2212 Americas - 46
  • 46 $2.2920
$2.2920 Buy Now
DISTI # 76469447
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube COO: Thailand RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2343 Americas - 10
  • 2 $4.6900
$4.6900 Buy Now
Chip Stock ConvDC-DC4.3Vto55VStepDownSingle-Out1.19Vto30V1.2AAutomotive10-PinMSOPEP 1005
RFQ

US Tariff Estimator: LT3991IMSE#PBF by Analog Devices Inc

Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.

LT3991IMSE#PBF
Analog Devices Inc
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Part Details for LT3991IMSE#PBF

LT3991IMSE#PBF CAD Models

LT3991IMSE#PBF Part Data Attributes

LT3991IMSE#PBF Analog Devices Inc
Buy Now Datasheet
Compare Parts:
LT3991IMSE#PBF Analog Devices Inc Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10
Pbfree Code No
Rohs Code Yes
Part Life Cycle Code Active
Package Description Htssop,
Pin Count 10
Manufacturer Package Code 05-08-1664
Reach Compliance Code Compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Additional Feature Also Operates In Adjustable Mode From 1.19 To 30v
Analog IC - Other Type Switching Regulator
Control Mode Current-Mode
Control Technique Pulse Width Modulation
Input Voltage-Max 55 V
Input Voltage-Min 4.3 V
Input Voltage-Nom 12 V
JESD-30 Code S-PDSO-G10
JESD-609 Code e3
Length 3 Mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 10
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 2.9 A
Output Voltage-Max 3.376 V
Output Voltage-Min 3.224 V
Output Voltage-Nom 3.3 V
Package Body Material Plastic/Epoxy
Package Code HTSSOP
Package Shape Square
Package Style Small Outline, Heat Sink/Slug, Thin Profile, Shrink Pitch
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.1 Mm
Surface Mount Yes
Switcher Configuration Buck
Switching Frequency-Max 2400 Khz
Technology Bipolar
Temperature Grade Automotive
Terminal Finish Matte Tin (Sn)
Terminal Form Gull Wing
Terminal Pitch 0.5 Mm
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) 30
Width 3 Mm

Alternate Parts for LT3991IMSE#PBF

This table gives cross-reference parts and alternative options found for LT3991IMSE#PBF. 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 LT3991IMSE#PBF, 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 Manufacturer Composite Price Description Compare
LT3991EMSE#TRPBF Analog Devices Inc $4.4647 Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IMSE#PBF vs LT3991EMSE#TRPBF
LT3991EMSE#PBF Analog Devices Inc $4.5732 Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IMSE#PBF vs LT3991EMSE#PBF
LT3991IMSE#TRPBF Analog Devices Inc Check for Price Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IMSE#PBF vs LT3991IMSE#TRPBF
LT3991EMSE#PBF Linear Technology Check for Price Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IMSE#PBF vs LT3991EMSE#PBF
LT3991EMSE#TRPBF Linear Technology Check for Price Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IMSE#PBF vs LT3991EMSE#TRPBF
LT3991IMSE#TRPBF Linear Technology Check for Price Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IMSE#PBF vs LT3991IMSE#TRPBF
equivalents icon

LT3991IMSE#PBF Related Parts

LT3991IMSE#PBF Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LT3991IMSE is 60V, but it's recommended to operate within the specified input voltage range of 7V to 40V for optimal performance.

  • To ensure the stability of the output voltage, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output capacitor and a low-ESR input capacitor.

  • The maximum output current that the LT3991IMSE can deliver is 1.5A, but it's recommended to operate within the specified output current range of 0A to 1.2A for optimal performance and reliability.

  • The output voltage of the LT3991IMSE can be adjusted by using a resistive divider network between the output and the feedback pin, allowing for a wide range of output voltage options.

  • The EN (enable) pin on the LT3991IMSE is used to enable or disable the device. When the EN pin is pulled high, the device is enabled, and when it's pulled low, the device is disabled, allowing for power-saving and shutdown capabilities.

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