SLUUCS3 February   2023 LM2105

 

  1.   Abstract
  2.   Trademarks
  3. Introduction
  4. Description
    1. 2.1 Features
    2. 2.2 I/O Description
  5. Electrical Specifications
  6. Test Summary
    1. 4.1 Definitions
    2. 4.2 Equipment
      1. 4.2.1 Power Supply
      2. 4.2.2 Function Generator
      3. 4.2.3 DMM
      4. 4.2.4 Oscilloscope
    3. 4.3 Equipment Setup
      1. 4.3.1 DC Power Supply Settings
      2. 4.3.2 Digital Multimeter Settings
      3. 4.3.3 Two-Channel Function Generator Settings
      4. 4.3.4 Oscilloscope Settings
      5. 4.3.5 Bench Setup Diagram
  7. Power-Up and Power-Down Procedure
    1. 5.1 Power Up
    2. 5.2 Power Down
  8. Operation With External Bootstrap Diode
  9. Typical Performance Waveforms (CL = 1000 pF)
    1. 7.1 Propagation Delays
  10. Schematic
  11. Layout Diagrams
  12. 10Bill of Materials

Bill of Materials

#GUID-D660304C-F895-4067-AB20-22B9ABD2A072/T5059209-1 lists the LM2105 bill of materials.

Table 10-1 LM2105 Bill of Materials
DesQtyDescriptionPart NumberManufacturer
C11CAP, AL, 47 uF, 50 V, +/- 20%, 0.68 ohm, SMDUUD1H470MCL1GSNichicon
C51CAP, CERM, 0.22 uF, 50 V, +/- 10%, X7R, 0805C0805C224K5RACTUKemet
C6, C72CAP, CERM, 1000 pF, 50 V, +/- 5%, X7R, 0805 C0805C102J5RACTUKemet
C8, C92CAP, CERM, 10 pF, 50 V, +/- 5%, C0G/NP0, 0603C0603C100J5GACTUKemet
C101CAP, CERM, 4.7 uF, 25 V, +/- 10%, X7R, 0805C2012X7R1E475K125ABTDK
C111CAP, CERM, 0.22 uF, 50 V, +/- 10%, X7R, 0603C1608X7R1H224K080ABTDK
D1, D22Diode, Schottky, 30 V, 1 A, AEC-Q101, MicroSMPMSS1P3L-M3/89AVishay-Semiconductor
D31Diode, Ultrafast, 200 V, 1 A, SMAES1D-13-FDiodes Inc.
R1, R22RES, 2.2, 5%, 0.125 W, AEC-Q200 Grade 0, 0805CRCW08052R20JNEAVishay-Dale
R3, R52 RES, 4.02, 1%, 0.125 W, 0805RC0805FR-074R02LYageo America
R7, R82RES, 49.9, 1%, 0.1 W, AEC-Q200 Grade 0, 0603CRCW060349R9FKEAVishay-Dale
TP11Test Point, Multipurpose, Orange, TH5013Keystone Electronics
TP21Test Point, Multipurpose, Purple, TH5129Keystone Electronics
TP3, TP4, TP7,TP8, TP9, TP10,TP11, TP12,TP14, TP15,TP16, TP17,TP18, TP19, TP2015Test Point, Miniature, SMT5019Keystone
TP51Test Point, Multipurpose, Brown, TH5125Keystone Electronics
TP6, TP22, TP233Test Point, Multipurpose, White, TH5012Keystone Electronics
TP21 1 Test Point, Multipurpose, Yellow, TH 5014 Keystone Electronics
U1 1 105-V, 2x2mm Half-Bridge Gate Driver with Integrated Bootstrap Diode LM2105DR Texas Instruments
C2 0 CAP, CERM, 4.7 uF, 25 V, +/- 10%, X7R, 0805 C2012X7R1E475K125AB TDK
C3 0 CAP, CERM, 0.22 uF, 50 V, +/- 10%, X7R, 0603 C1608X7R1H224K080AB TDK
C4 0 CAP, CERM, 0.22 uF, 50 V, +/- 10%, X7R, 0805 C0805C224K5RACTU Kemet
R4, R6, R11, R12 0 RES, 0, 5%, 0.125 W, 0805 MCR10EZPJ000 Rohm
R10 0 RES, 2.2, 5%, 0.5 W, 1206 CRM1206-JW-2R2ELF Bourns
U2 0 105-V, 2x2mm Half-Bridge Gate Driver with Integrated Bootstrap Diode LM2105DSG Texas Instruments