UC3578NG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The UC3578NG4 is a voltage-mode PWM DC-DC switching controller from Texas Instruments, supporting an input voltage range of 11V to 72V in a 16-pin PDIP package. It provides pulse-width modulation control for designing reliable buck, boost, and flyback converters in power supply applications. In-stock worldwide with competitive pricing for engineering evaluation and volume production.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- UC3578NG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UC3578NG4?
- Wide 11V to 72V input voltage range covers a broad spectrum of AC-DC and DC-DC power supply topologies
- Voltage-mode PWM control simplifies compensation design and provides predictable closed-loop behavior
- 16-pin PDIP package enables rapid prototyping on breadboards and through-hole PCB assembly
- Lead-free RoHS-compliant (JESD-609 e4) construction for global regulatory compliance
What is UC3578NG4 used for?
The UC3578NG4 is well suited for industrial power supplies, telecom rectifiers, and off-line converters operating from high-voltage DC buses between 11V and 72V. It is also used in bench-top prototyping and educational platforms where the through-hole PDIP package allows quick circuit assembly and testing of voltage-mode PWM control loops.
What are the specifications of UC3578NG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 72V |
| Input Voltage-Min | 11V |
| Input Voltage-Nom | 14V |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 0.8A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 14mA |
| Surface Mount | NO |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 120kHz |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the UC3578NG4 datasheet?
UC3578NG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC3578NG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Which designs are a good fit for UC3578NG4 with 11 V to 72 V?
UC3578NG4 fits industrial, embedded, and repair-oriented electronic assemblies when the design needs 11 V to 72 V and 72 V. It is a practical choice when the BOM also matches the 16-pin PDIP footprint.
How should engineers check package compatibility for UC3578NG4?
Compare the PCB land pattern, height allowance, and assembly process against the 16-pin PDIP style. The 16 pins detail is the first check before approving a replacement.
What matters when sourcing UC3578NG4 as a replacement?
Confirm the same 11 V to 72 V, 72 V, manufacturer traceability, and lifecycle status before substituting it. Buyers should also verify stock for the exact 16-pin PDIP configuration.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit