Datasheets
UC3525ADWG4 by: Texas Instruments

35V, Dual 0.4A 400KHz PWM controller with 0C to 70C 16-SOIC 0 to 70

Part Details for UC3525ADWG4 by Texas Instruments

Results Overview of UC3525ADWG4 by Texas Instruments

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Applications Consumer Electronics Energy and Power Systems Renewable Energy

UC3525ADWG4 Information

UC3525ADWG4 by Texas Instruments 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 UC3525ADWG4

Part # Distributor Description Stock Price Buy
DISTI # 595-UC3525ADWG4
Mouser Electronics Switching Controllers Regulating Pulse Wid th Modulator ALT 595-UC3525ADW RoHS: Compliant 689
  • 1 $3.6600
  • 10 $2.4100
  • 25 $2.2300
  • 120 $1.9300
  • 280 $1.4000
  • 520 $1.3500
  • 1,000 $1.2700
  • 2,520 $1.2200
  • 5,000 $1.1600
$1.1600 / $3.6600 Buy Now
Quest Components   32
  • 1 $3.5200
  • 2 $2.6400
  • 10 $2.2000
$2.2000 / $3.5200 Buy Now
Vyrian Other Function Semiconductors 590
RFQ
Win Source Electronics IC REG CTRLR MULT TOP 16SOIC 40000
  • 35 $1.4354
  • 85 $1.1778
  • 135 $1.1410
  • 185 $1.1042
  • 235 $1.0674
  • 315 $0.9570
$0.9570 / $1.4354 Buy Now

Part Details for UC3525ADWG4

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UC3525ADWG4 Part Data Attributes

UC3525ADWG4 Texas Instruments
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UC3525ADWG4 Texas Instruments 35V, Dual 0.4A 400KHz PWM controller with 0C to 70C 16-SOIC 0 to 70
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, SOIC-16
Pin Count 16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 40 V
Input Voltage-Min 8 V
Input Voltage-Nom 20 V
JESD-30 Code R-PDSO-G16
JESD-609 Code e4
Length 10.3 mm
Moisture Sensitivity Level 2
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Current-Max 0.5 A
Output Voltage-Max 5.2 V
Output Voltage-Min 5 V
Output Voltage-Nom 5.1 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP16,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Supply Voltage-Max (Vsup) 40 V
Supply Voltage-Min (Vsup) 8 V
Surface Mount YES
Switcher Configuration PUSH-PULL
Switching Frequency-Max 500 kHz
Technology BIPOLAR
Temperature Grade COMMERCIAL
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) 30
Width 7.5 mm

Alternate Parts for UC3525ADWG4

This table gives cross-reference parts and alternative options found for UC3525ADWG4. 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 UC3525ADWG4, 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
UC3525BDWTR Unitrode Corp (RETIRED) Check for Price Switching Controller, Voltage-mode, 0.5A, 500kHz Switching Freq-Max, BIPolar, PDSO16, UC3525ADWG4 vs UC3525BDWTR
UC3525BDWG4 Texas Instruments Check for Price Enhanced 35V, Dual 0.4A 400KHz PWM controller with Low output when off, 0C to 70C 16-SOIC 0 to 70 UC3525ADWG4 vs UC3525BDWG4
UC3525BDWTRG4 Texas Instruments Check for Price Regulating Pulse Width Modulators 16-SOIC 0 to 70 UC3525ADWG4 vs UC3525BDWTRG4
UC2525ADWTR Unitrode Corp (RETIRED) Check for Price Switching Controller, Voltage-mode, 0.5A, 400kHz Switching Freq-Max, PDSO16, SOIC-16 UC3525ADWG4 vs UC2525ADWTR
UC3525BDW Texas Instruments $3.1743 Enhanced 35V, Dual 0.4A 400KHz PWM controller with Low output when off, 0C to 70C 16-SOIC 0 to 70 UC3525ADWG4 vs UC3525BDW
UC2525ADW Unitrode Corporation Check for Price Switching Controller, Voltage-mode, 0.5A, 400kHz Switching Freq-Max, PDSO16, SOIC-16 UC3525ADWG4 vs UC2525ADW
UC2525ADWTR Unitrode Corporation Check for Price Switching Controller, Voltage-mode, 0.5A, 400kHz Switching Freq-Max, PDSO16, SOIC-16 UC3525ADWG4 vs UC2525ADWTR
UC2525ADW Unitrode Corp (RETIRED) Check for Price Switching Controller, Voltage-mode, 0.5A, 400kHz Switching Freq-Max, PDSO16, SOIC-16 UC3525ADWG4 vs UC2525ADW
Part Number Manufacturer Composite Price Description Compare
UC3525ADWTRG4 Texas Instruments Check for Price 35V, Dual 0.4A 400KHz PWM controller with 0C to 70C 16-SOIC 0 to 70 UC3525ADWG4 vs UC3525ADWTRG4
UC3525ADW Texas Instruments $1.1113 35V, Dual 0.4A 400KHz PWM controller with 0C to 70C 16-SOIC 0 to 70 UC3525ADWG4 vs UC3525ADW
SG3525ADW Rochester Electronics LLC Check for Price 0.5 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, SOIC-16 UC3525ADWG4 vs SG3525ADW
SG3525ADWG Rochester Electronics LLC Check for Price 0.5A SWITCHING CONTROLLER, 400kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, LEAD FREE, SOIC-16 UC3525ADWG4 vs SG3525ADWG

UC3525ADWG4 Related Parts

UC3525ADWG4 Frequently Asked Questions (FAQ)

  • The UC3525ADWG4 is a high-frequency switching regulator, and as such, it requires careful PCB design and layout to ensure proper operation. TI recommends following the layout guidelines in the datasheet, including keeping the power traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.

  • The selection of the inductor depends on the specific application requirements, such as the input voltage, output voltage, and output current. TI recommends using an inductor with a high saturation current rating, low DC resistance, and a high self-resonant frequency. The datasheet provides a list of recommended inductors, and TI also offers an online inductor selection tool to help with the selection process.

  • The maximum junction temperature of the UC3525ADWG4 is 150°C. However, it's recommended to keep the junction temperature below 125°C for reliable operation and to ensure a long lifespan. The datasheet provides thermal resistance values and thermal derating curves to help with thermal design and management.

  • Yes, the UC3525ADWG4 is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications and is also suitable for industrial and medical applications that require high reliability. However, it's recommended to follow the specific qualification and testing requirements for the target application.

  • TI provides a troubleshooting guide in the datasheet that covers common issues and their solutions. Additionally, TI offers application notes and technical articles that provide more detailed guidance on troubleshooting and debugging the UC3525ADWG4. It's also recommended to use TI's online support resources, such as the E2E forum, to get help from experienced engineers and TI experts.