Datasheets
LT3991IDD#PBF by:
Analog Devices Inc

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

Part Details for LT3991IDD#PBF by Analog Devices Inc

Results Overview of LT3991IDD#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.

LT3991IDD#PBF Information

LT3991IDD#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 LT3991IDD#PBF

Part # Distributor Description Stock Price Buy
DISTI # 51AK8873
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:Dfn-Ep, No. Of Pins:10Pins Rohs Compliant: Yes |Analog Devices LT3991IDD#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 0
  • 1 $10.5300
  • 10 $7.1800
  • 25 $6.3100
  • 50 $5.7600
  • 100 $5.2000
  • 363 $4.9100
$4.9100 / $10.5300 Buy Now
DISTI # LT3991IDD#PBF-ND
DigiKey IC REG BUCK ADJ 1.2A 10DFN Min Qty: 1 Lead time: 10 Weeks Container: Tube Temporarily Out of Stock
  • 1 $10.5300
  • 10 $7.1760
  • 25 $6.3004
  • 121 $5.1997
  • 363 $4.9125
$4.9125 / $10.5300 Buy Now
DISTI # 584-LT3991IDD#PBF
Mouser Electronics Switching Voltage Regulators 55V, 1.2A Buck Reg w/ 2.8 A Q C RoHS: Compliant 0
  • 1 $10.5300
  • 10 $7.1800
  • 25 $6.3100
  • 100 $5.2000
  • 242 $4.9100
$4.9100 / $10.5300 Order Now
DISTI # V36:1790_06430343
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube COO: Thailand RoHS: Compliant Min Qty: 121 Package Multiple: 121 Lead time: 10 Weeks Date Code: 2424 Americas - 14
  • 121 $4.8990
  • 363 $4.8520
$4.8520 / $4.8990 Buy Now
Analog Devices Inc 55V, 1.2A Buck Reg w/ 2.8µA Q Package Multiple: 121 5929
  • 1 $10.5300
  • 10 $7.1760
  • 25 $6.3004
  • 1,000 $3.9300
$3.9300 / $10.5300 Buy Now
DISTI # 35214143
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube RoHS: Compliant Min Qty: 121 Package Multiple: 121 Americas - 5929
  • 121 $4.8609
$4.8609 Buy Now
DISTI # 90965457
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube RoHS: Compliant Min Qty: 14 Package Multiple: 14 Date Code: 2424 Americas - 14
  • 14 $4.8990
  • 363 $4.8520
$4.8520 / $4.8990 Buy Now
DISTI # V36:1790_06430343
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube COO: Thailand RoHS: Compliant Min Qty: 121 Package Multiple: 121 Lead time: 10 Weeks Date Code: 2424 Americas - 14
  • 121 $4.8990
  • 363 $4.8520
$4.8520 / $4.8990 Buy Now
DISTI # 35214143
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube RoHS: Compliant Min Qty: 121 Package Multiple: 121 Americas - 5929
  • 121 $4.8609
$4.8609 Buy Now
DISTI # 90965457
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube COO: Thailand RoHS: Compliant Min Qty: 14 Package Multiple: 14 Date Code: 2424 Americas - 14
  • 14 $4.8990
  • 363 $4.8520
$4.8520 / $4.8990 Buy Now
DISTI # V36:1790_06430343
Arrow Electronics Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube COO: Thailand RoHS: Compliant Min Qty: 121 Package Multiple: 121 Lead time: 10 Weeks Date Code: 2424 Americas - 14
  • 121 $4.8990
  • 363 $4.8520
$4.8520 / $4.8990 Buy Now
DISTI # LT3991IDD#PBF
Richardson RFPD DC TO DC CONVERTER RoHS: Compliant Min Qty: 121 0
  • 121 $5.5700
  • 500 $5.4200
  • 1,000 $5.2700
  • 5,000 $5.0700
$5.0700 / $5.5700 Buy Now
DISTI # 35214143
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube RoHS: Compliant Min Qty: 121 Package Multiple: 121 Americas - 5929
  • 121 $4.8609
$4.8609 Buy Now
DISTI # 90965457
Verical Conv DC-DC 4.3V to 55V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube COO: Thailand RoHS: Compliant Min Qty: 14 Package Multiple: 14 Date Code: 2424 Americas - 14
  • 14 $4.8990
  • 363 $4.8520
$4.8520 / $4.8990 Buy Now
Chip Stock LT3991TubeMatteTin(Sn)ActiveDCtoDCswitchingregulator12V3mm1.2A200kHz~2MHz 4800
RFQ

US Tariff Estimator: LT3991IDD#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.

LT3991IDD#PBF
Analog Devices Inc
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Part Details for LT3991IDD#PBF

LT3991IDD#PBF CAD Models

LT3991IDD#PBF Part Data Attributes

LT3991IDD#PBF Analog Devices Inc
Buy Now Datasheet
Compare Parts:
LT3991IDD#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 Hvson,
Pin Count 10
Manufacturer Package Code 05-08-1699
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-N10
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 HVSON
Package Shape Square
Package Style Small Outline, Heat Sink/Slug, Very Thin Profile
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 0.8 Mm
Surface Mount Yes
Switcher Configuration Buck
Switching Frequency-Max 2400 Khz
Technology Bipolar
Temperature Grade Automotive
Terminal Finish Matte Tin (Sn)
Terminal Form No Lead
Terminal Pitch 0.5 Mm
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) 30
Width 3 Mm

Alternate Parts for LT3991IDD#PBF

This table gives cross-reference parts and alternative options found for LT3991IDD#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 LT3991IDD#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
LT3991EDD#PBF Analog Devices Inc $4.5006 Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IDD#PBF vs LT3991EDD#PBF
LT3991EDD#TRPBF Analog Devices Inc Check for Price Switching Regulator, Current-mode, 2.9A, 2400kHz Switching Freq-Max, BIPolar, PDSO10 LT3991IDD#PBF vs LT3991EDD#TRPBF
equivalents icon

LT3991IDD#PBF Related Parts

LT3991IDD#PBF Frequently Asked Questions (FAQ)

  • The maximum input voltage that the LT3991IDD#PBF can handle is 60V, but it's recommended to keep it below 50V for optimal performance and reliability.

  • To ensure the stability of the output voltage, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, ensure that the input voltage is within the recommended range and the output current is within the specified limits.

  • The maximum output current that the LT3991IDD#PBF can provide is 1.5A, but it's recommended to keep it below 1.2A for optimal performance and reliability.

  • To protect the LT3991IDD#PBF from overheating, ensure good airflow around the device, use a heat sink if necessary, and keep the junction temperature below 125°C. Also, avoid operating the device at maximum power for extended periods.

  • Yes, the LT3991IDD#PBF can operate in high-temperature environments, but the junction temperature should not exceed 125°C. Also, the device's performance and reliability may degrade at high temperatures.

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