Power Circuits
UCC28740DR
Texas Instruments
Description: Constant-Voltage, Constant-Current (CVCC) Flyback controller with Secondary Side Regulation (SSR) 7-SOIC -40 to 125

Overview of UCC28740DR by Texas Instruments

Note: 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.
Where used in Applications: Environmental Monitoring Energy and Power Systems Transportation and Logistics Virtual Reality (VR), Augmented Reality (AR), and Vision Systems Renewable Energy Automotive

Price & Stock for UCC28740DR by Texas Instruments

Part # Manufacturer Description Stock Price Buy
DISTI # 296-41059-1-ND
DigiKey IC OFFLINE SWITCH FLYBACK 7SOIC Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 19963
In Stock
  • 1 $1.2600
  • 10 $1.1230
  • 25 $1.0660
  • 100 $0.8758
  • 250 $0.8186
  • 500 $0.7235
  • 1,000 $0.5712
  • 2,500 $0.5331
  • 5,000 $0.5064
  • 12,500 $0.4874
$0.4874 / $1.2600 Buy Now
DISTI # 595-UCC28740DR
Mouser Electronics Switching Controllers Constant-VTG-Crnt Flyback Cntlr RoHS: Compliant 26366
  • 1 $1.2600
  • 10 $1.0700
  • 100 $0.8180
  • 500 $0.7230
  • 1,000 $0.5710
  • 2,500 $0.5330
  • 5,000 $0.5110
  • 10,000 $0.4920
$0.4920 / $1.2600 Buy Now
Bristol Electronics   104
RFQ
Ameya Holding Limited IC REG CTRLR FLYBK ISO 7SOIC 4021
RFQ
LCSC 170Hz100kHz 9V35V SOIC-7 AC-DC Controllers Regulators ROHS 5885
  • 1 $0.7363
  • 10 $0.6020
  • 30 $0.5356
  • 100 $0.4600
  • 500 $0.4214
  • 1,000 $0.4013
$0.4013 / $0.7363 Buy Now
Win Source Electronics Constant-Voltage Constant-Current Flyback Controller / IC REG CTRLR FLYBK ISO 7SOIC 58796
  • 85 $0.6220
  • 200 $0.5110
  • 305 $0.4950
  • 420 $0.4790
  • 540 $0.4630
  • 725 $0.4150
$0.4150 / $0.6220 Buy Now

CAD Models for UCC28740DR by Texas Instruments
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Part Data Attributes for UCC28740DR by Texas Instruments

UCC28740DR
Texas Instruments
-
-
Pbfree Code
Yes
Rohs Code
Yes
Part Life Cycle Code
Active
Ihs Manufacturer
TEXAS INSTRUMENTS INC
Package Description
SOIC-7
Reach Compliance Code
compliant
ECCN Code
EAR99
HTS Code
8542.39.00.01
Samacsys Manufacturer
Texas Instruments
Additional Feature
ALSO OPERATES IN AM CONTROL TECHNIQUE
Analog IC - Other Type
SWITCHING CONTROLLER
Control Mode
CURRENT/VOLTAGE-MODE
Control Technique
FREQUENCY MODULATION
Input Voltage-Max
35 V
Input Voltage-Min
9 V
Input Voltage-Nom
25 V
JESD-30 Code
R-PDSO-G7
JESD-609 Code
e4
Length
4.9 mm
Moisture Sensitivity Level
1
Number of Functions
1
Number of Terminals
7
Operating Temperature-Max
125 °C
Operating Temperature-Min
-40 °C
Package Body Material
PLASTIC/EPOXY
Package Code
SOP
Package Equivalence Code
SOP7/8,.25
Package Shape
RECTANGULAR
Package Style
SMALL OUTLINE
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Qualification Status
Not Qualified
Seated Height-Max
1.75 mm
Supply Voltage-Nom (Vsup)
25 V
Surface Mount
YES
Switcher Configuration
BUCK-BOOST
Switching Frequency-Max
100 kHz
Temperature Grade
AUTOMOTIVE
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form
GULL WING
Terminal Pitch
1.27 mm
Terminal Position
DUAL
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
Width
3.9 mm
Want to compare parts?
  1. UCC28740DR
    Texas Instruments
    Constant-Voltage, Constant-Current (CVCC) Flyback controller with Secondary Side Regulation (SSR) 7-SOIC -40 to 125
    VS

Alternate Parts for UCC28740DR

This table gives cross-reference parts and alternative options found for UCC28740DR. 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 UCC28740DR, 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
UCC28740D Constant-Voltage, Constant-Current (CVCC) Flyback controller with Secondary Side Regulation (SSR) 7-SOIC -40 to 125 Texas Instruments UCC28740DR vs UCC28740D
Part Number Description Manufacturer Compare
UCC28740D Constant-Voltage, Constant-Current (CVCC) Flyback controller with Secondary Side Regulation (SSR) 7-SOIC -40 to 125 Texas Instruments UCC28740DR vs UCC28740D

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