Datasheets
LT3645IUD#TRPBF by:

36V 500mA Step-Down Regulator and 200mA LDO

Part Details for LT3645IUD#TRPBF by Analog Devices Inc

Results Overview of LT3645IUD#TRPBF by Analog Devices Inc

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LT3645IUD#TRPBF Information

LT3645IUD#TRPBF 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 LT3645IUD#TRPBF

Part # Distributor Description Stock Price Buy
DISTI # LT3645IUD#TRPBF-ND
DigiKey IC REG DL BUCK/LNR 750KHZ 16QFN Min Qty: 2500 Lead time: 10 Weeks Container: Tape & Reel (TR) Temporarily Out of Stock
  • 2,500 $3.7375
$3.7375 Buy Now
DISTI # 584-LT3645IUD#TRPBF
Mouser Electronics Switching Voltage Regulators 36V 500mA Buck Reg & 200mA LDO RoHS: Compliant 0
  • 2,500 $3.7300
$3.7300 Order Now
Analog Devices Inc 36V 500mA Buck Reg & 200mA LDO Min Qty: 2500 Package Multiple: 2500 0
  • 1 $4.1600
  • 1,000 $2.9900
  • 2,500 $3.7375
$2.9900 / $4.1600 Buy Now
DISTI # LT3645IUD#TRPBF
Richardson RFPD VOLTAGE REGULATOR RoHS: Compliant Min Qty: 2500 0
  • 2,500 $4.0100
  • 5,000 $3.8600
$3.8600 / $4.0100 Buy Now
Vyrian Peripheral ICs 1575
RFQ

Part Details for LT3645IUD#TRPBF

LT3645IUD#TRPBF CAD Models

LT3645IUD#TRPBF Part Data Attributes

LT3645IUD#TRPBF Analog Devices Inc
Buy Now Datasheet
Compare Parts:
LT3645IUD#TRPBF Analog Devices Inc 36V 500mA Step-Down Regulator and 200mA LDO
Pbfree Code No
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC
Package Description 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
Pin Count 16
Manufacturer Package Code 05-08-1691
Reach Compliance Code compliant
Samacsys Manufacturer Analog Devices
Additional Feature ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 8V, ALSO OPERATES AS LDO REGULATOR
Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE
Input Voltage-Max 36 V
Input Voltage-Min 3.6 V
Input Voltage-Nom 12 V
JESD-30 Code S-PQCC-N16
JESD-609 Code e3
Length 3 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 1.25 A
Package Body Material PLASTIC/EPOXY
Package Code HVQCCN
Package Shape SQUARE
Package Style CHIP CARRIER, 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 825 kHz
Technology BIPOLAR
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 3 mm

Alternate Parts for LT3645IUD#TRPBF

This table gives cross-reference parts and alternative options found for LT3645IUD#TRPBF. 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 LT3645IUD#TRPBF, 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
LT3645EUD#TRPBF Linear Technology Check for Price LT3645 - 36V 500mA Step-Down Regulator and 200mA LDO; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3645EUD#TRPBF
LT3645IUD#TRPBF Linear Technology Check for Price LT3645 - 36V 500mA Step-Down Regulator and 200mA LDO; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3645IUD#TRPBF
LT3645EUD#TRPBF Analog Devices Inc Check for Price 36V 500mA Step-Down Regulator and 200mA LDO LT3645IUD#TRPBF vs LT3645EUD#TRPBF
LT3645IUD#PBF Linear Technology Check for Price LT3645 - 36V 500mA Step-Down Regulator and 200mA LDO; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3645IUD#PBF
LT3645EUD#PBF Linear Technology Check for Price LT3645 - 36V 500mA Step-Down Regulator and 200mA LDO; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3645EUD#PBF
Part Number Manufacturer Composite Price Description Compare
BD90620EFJ-CE2 ROHM Semiconductor $2.1739 Switching Regulator, Current-mode, 600kHz Switching Freq-Max, PDSO8, HTSOP-8 LT3645IUD#TRPBF vs BD90620EFJ-CE2
LT3645IMSE#PBF Analog Devices Inc $4.0839 36V 500mA Step-Down Regulator and 200mA LDO LT3645IUD#TRPBF vs LT3645IMSE#PBF
LT3645IUD#PBF Analog Devices Inc $4.8294 36V 500mA Step-Down Regulator and 200mA LDO LT3645IUD#TRPBF vs LT3645IUD#PBF
LT3500IMSE#TRPBF Linear Technology Check for Price LT3500 - Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller; Package: MSOP; Pins: 16; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3500IMSE#TRPBF
LT3500HMSE#PBF Analog Devices Inc Check for Price Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller LT3645IUD#TRPBF vs LT3500HMSE#PBF
LT3500EMSE#TRPBF Analog Devices Inc Check for Price Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller LT3645IUD#TRPBF vs LT3500EMSE#TRPBF
LT3500IMSE#PBF Linear Technology Check for Price LT3500 - Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller; Package: MSOP; Pins: 16; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3500IMSE#PBF
LT3645EMSE#TRPBF Linear Technology Check for Price LT3645 - 36V 500mA Step-Down Regulator and 200mA LDO; Package: MSOP; Pins: 12; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3645EMSE#TRPBF
LT3500HDD#TRPBF Analog Devices Inc Check for Price Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller LT3645IUD#TRPBF vs LT3500HDD#TRPBF
LT3500EDD#TRPBF Linear Technology Check for Price LT3500 - Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller; Package: DFN; Pins: 12; Temperature Range: -40°C to 85°C LT3645IUD#TRPBF vs LT3500EDD#TRPBF

LT3645IUD#TRPBF Frequently Asked Questions (FAQ)

  • The recommended PCB layout for the LT3645IUD can be found in the LT3645 demo circuit available on the Analog Devices website. It provides a detailed layout guide, including component placement, routing, and thermal considerations.

  • The compensation network for the LT3645IUD can be optimized using the LTpowerCAD software tool provided by Analog Devices. This tool allows you to simulate and optimize the compensation network for your specific application.

  • The maximum ambient temperature for the LT3645IUD is 85°C, as specified in the datasheet. However, the device can operate at higher temperatures with derating, as shown in the thermal derating curve in the datasheet.

  • Yes, the LT3645IUD is qualified for high-reliability and automotive applications. It meets the requirements of the AEC-Q100 standard and is available in a variety of grades, including the 'I' grade for industrial temperature range and the 'Q' grade for automotive temperature range.

  • Analog Devices provides a soldering and assembly guide for the LT3645IUD, which includes recommendations for reflow soldering, wave soldering, and manual assembly. Additionally, the device is available in a RoHS-compliant package.

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