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Part Details for UCC38503DW by Texas Instruments
Results Overview of UCC38503DW by Texas Instruments
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (5 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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.
UCC38503DW Information
UCC38503DW 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 UCC38503DW
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
2156-UCC38503DW-ND
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DigiKey | IC PFC CTR AVERAGE 100KHZ 20SOIC Min Qty: 1 Lead time: 6 Weeks Container: Bulk MARKETPLACE PRODUCT |
43881 In Stock |
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$4.1900 | Buy Now |
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DISTI #
296-12046-5-ND
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DigiKey | IC PFC CTR AVERAGE 100KHZ 20SOIC Min Qty: 1 Lead time: 6 Weeks Container: Tube |
40 In Stock |
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$4.6068 / $6.4800 | Buy Now |
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DISTI #
595-UCC38503DW
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Mouser Electronics | Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller A 595-UCC38503DWTR RoHS: Compliant | 59 |
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$4.6000 / $9.7900 | Buy Now |
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DISTI #
86297603
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Verical | Power Factor Correction and PWM Controller 200kHz 20-Pin SOIC Tube RoHS: Compliant Min Qty: 75 Package Multiple: 1 Date Code: 1001 | Americas - 41491 |
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$4.0250 / $5.0375 | Buy Now |
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DISTI #
86295238
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Verical | Power Factor Correction and PWM Controller 200kHz 20-Pin SOIC Tube RoHS: Compliant Min Qty: 75 Package Multiple: 1 Date Code: 1501 | Americas - 1100 |
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$4.0250 / $5.0375 | Buy Now |
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DISTI #
86298020
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Verical | Power Factor Correction and PWM Controller 200kHz 20-Pin SOIC Tube RoHS: Compliant Min Qty: 75 Package Multiple: 1 Date Code: 1101 | Americas - 825 |
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$4.0250 / $5.0375 | Buy Now |
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DISTI #
86298060
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Verical | Power Factor Correction and PWM Controller 200kHz 20-Pin SOIC Tube RoHS: Compliant Min Qty: 75 Package Multiple: 1 Date Code: 1701 | Americas - 300 |
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$4.0250 / $5.0375 | Buy Now |
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DISTI #
86298165
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Verical | Power Factor Correction and PWM Controller 200kHz 20-Pin SOIC Tube RoHS: Compliant Min Qty: 75 Package Multiple: 1 Date Code: 1601 | Americas - 100 |
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$4.0250 / $5.0375 | Buy Now |
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Rochester Electronics | UCC38503 BiCMOS PFC/PWM Combination Controller RoHS: Compliant Status: Active Min Qty: 1 | 43881 |
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$3.2200 / $4.0300 | Buy Now |
Part Details for UCC38503DW
UCC38503DW CAD Models
UCC38503DW Part Data Attributes
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UCC38503DW
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
UCC38503DW
Texas Instruments
PFC/PWM Combination controller with 10.5V/10V VCC UVLO and 6.75V/3.75V PWM UVLO, 0°C to 70°C 20-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, PLASTIC, SOIC-20 | |
| Pin Count | 20 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Additional Feature | CAN ALSO BE PROGRAMMED FOR CURRENT MODE AND VOLTAGE MODE | |
| Analog IC - Other Type | POWER FACTOR CONTROLLER WITH POST REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 18 V | |
| Input Voltage-Min | 10.3 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | R-PDSO-G20 | |
| JESD-609 Code | e4 | |
| Length | 12.8 mm | |
| Moisture Sensitivity Level | 2 | |
| Number of Functions | 1 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 1.2 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP20,.4 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2.65 mm | |
| Supply Current-Max (Isup) | 4 mA | |
| Supply Voltage-Max (Vsup) | 18 V | |
| Supply Voltage-Nom (Vsup) | 12 V | |
| Surface Mount | YES | |
| Switcher Configuration | BOOST | |
| Switching Frequency-Max | 200 kHz | |
| Technology | BICMOS | |
| 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 UCC38503DW
This table gives cross-reference parts and alternative options found for UCC38503DW. 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 UCC38503DW, 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 |
|---|---|---|---|---|
| UCC28503DW | Texas Instruments | $3.5399 | PFC/PWM Combination controller with 10.5V/10V VCC UVLO and 6.75V/3.75V PWM UVLO, -40°C to 85°C 20-SOIC -40 to 85 | UCC38503DW vs UCC28503DW |
| UCC38503DW | Rochester Electronics LLC | Check for Price | 1.2A POWER FACTOR CONTROLLER WITH POST REGULATOR, 120kHz SWITCHING FREQ-MAX, PDSO20, GREEN, PLASTIC, SOIC-20 | UCC38503DW vs UCC38503DW |
| UCC38503DWTR | Rochester Electronics LLC | Check for Price | 1.2A POWER FACTOR CONTROLLER WITH POST REGULATOR, 120kHz SWITCHING FREQ-MAX, PDSO20, GREEN, PLASTIC, SOIC-20 | UCC38503DW vs UCC38503DWTR |
| UCC18503DWTR | Texas Instruments | Check for Price | 1A POWER FACTOR CONTROLLER, 250kHz SWITCHING FREQ-MAX, PDSO20, SOIC-20 | UCC38503DW vs UCC18503DWTR |
| UCC28503DW | Unitrode Corp (RETIRED) | Check for Price | Power Factor Controller With Post Regulator, Current-mode, 1A, BICMOS, PDSO20, SOIC-20 | UCC38503DW vs UCC28503DW |
UCC38503DW Frequently Asked Questions (FAQ)
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Texas Instruments provides a recommended PCB layout in the application note SLUA433, which includes guidelines for component placement, trace routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
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The selection of the transformer depends on the specific application requirements, such as input voltage, output voltage, and power rating. Texas Instruments provides a transformer selection guide in the application note SLUA435, which includes guidelines for selecting the right transformer and calculating the transformer's turns ratio, inductance, and leakage inductance.
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The UCC38503DW has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper thermal management to prevent overheating and ensure reliable operation.
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The UCC38503DW has built-in OVP and UVP circuits, but external components are required to implement these features. Texas Instruments provides a detailed implementation guide in the application note SLUA434, which includes circuit diagrams and component selection guidelines.
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The input capacitor selection depends on the input voltage, frequency, and ripple current requirements. Texas Instruments recommends using a low-ESR capacitor with a value between 10uF to 22uF, and a voltage rating of at least 1.5 times the maximum input voltage.