Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesTexas InstrumentsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersTexas Instruments PMIC - Voltage Regulators - DC DC Switching Controllers
UC3843DTR PMIC - Voltage Regulators - DC DC Switching Controllers by Texas Instruments
UC3843DTR is a PMIC - Voltage Regulators - DC DC Switching Controllers model from Texas Instruments, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers product path. Known package information currently points to 14SOIC under the Texas Instruments brand listing. IC REG CTRLR MULT TOP 14SOIC. TrustCompo combines the available model, brand, hierarchy, and specification details around UC3843DTR so buyers can move faster from review to quotation.
RoHS
Pictures are for reference only. Please contact us for the latest pictures.
Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Description
IC REG CTRLR MULT TOP 14SOIC
key Attributes
-
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
Understand how to order and what policies support the purchase
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
1
Confirm part and quantity
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
2
Send RFQ or sample request
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
3
Align delivery, payment, and documentation
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Shipping & Delivery
Review shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsPayment Terms
Understand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsQuality & Traceability Center
See how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review The Product The Way Buyers Actually Evaluate It
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
Overview
The FAN48630 allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By combining built-in power transistors, synchronous rectification, and low supply current; this IC provides a compact solution for systems using advanced Li-Ion battery chemistries.
Features
• Few External Components: 0.47 µH Inductor and 0603 Case Size Input and Output Capacitors
• Input Voltage Range: 2.35 V to 5.5 V
• Fixed Output Voltage Options: 3.0 V to 5.0 V
• Maximum Continuous Load Current: 1500 mA at VIN of 2.6 V Boosting VOUT to 3.5 V
• Up to 96% Efficient
• True Bypass Operation when VIN > Target VOUT
• Internal Synchronous Rectifier
• Soft-Start with True Load Disconnect
• Forced Bypass Mode
• VSEL Control to Optimize Target VOUT
• Short-Circuit Protection
• Low Operating Quiescent Current
• 16-Bump, 0.4 mm Pitch WLCSPApplications
• Boost for Low-Voltage Li-ion Batteries, Brownout Prevention, Boosted Audio, USB OTG, and LTE / 3G RF Power
• Cell Phones, Smart Phones, Portable Instruments
Fast scan
Popular Specs Surfaced First
Product Attribute
Part Status
Active
Product Attribute
Lifecycle Status
ACTIVE (Last Updated: 4 days ago)
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lead Free
Lead Free
Product Attribute
Mounting Type
Surface Mount
Part Status
Active
Lifecycle Status
ACTIVE (Last Updated: 4 days ago)
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Mounting Type
Surface Mount
Factory Lead Time
6 Weeks
Packaging
Tape & Reel (TR)
Categories
Integrated Circuits (ICs)
Terminal Position
DUAL
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Manufacturer
Texas
Width
3.91mm
Height
1.75mm
Operating Temperature
0°C~70°C TA
Length
8.65mm
Subcategory
Switching Regulator or Controllers
Package / Case
14-SOIC (0.154, 3.90mm Width)
Weight
122.413241mg
Surface Mount
YES
Number Of Pins
14
Number Of Terminations
14
Pbfree Code
yes
Technology
BIPOLAR
Number Of Outputs
1
Thickness
1.58mm
Output Current
200mA
Synchronous Rectifier
No
Fall Time (Typ)
50 ns
Output Type
Transistor Driver
Sub-Categories
PMIC - Voltage Regulators - DC DC Switching Controllers
Frequency
450kHz
Output Voltage
13.5V
Duty Cycle (Max)
97%
Manufacturer'S Part No.
UC3843DTR
Base Part Number
UC3843
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
ROHS3 Compliant
JESD-609 Code
e4
HTSUS
8542.39.0001
ECCN Code
EAR99
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Output Configuration
Positive
Control Mode
CURRENT-MODE
Control Technique
PULSE WIDTH MODULATION
Analog IC - Other Type
SWITCHING CONTROLLER
Input Voltage-Nom
15V
Rise Time
50ns
Control Features
Frequency Control
Function
Step-Up, Step-Down, Step-Up/Step-Down
Frequency - Switching
Up to 500kHz
Supply Current-Max (Isup)
25mA
Nominal Input Voltage
25V
Max Duty Cycle
100 %
Topology
Boost, Buck, Buck-Boost, Flyback, Forward
Voltage - Supply (Vcc/Vdd)
12V~28V
Common questions
Product FAQ
Quick answers for buyers reviewing UC3843DTR, stock, documentation, and sourcing steps.
What is UC3843DTR?
UC3843DTR is a PMIC - Voltage Regulators - DC DC Switching Controllers component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for UC3843DTR?
UC3843DTR is listed with package reference 14SOIC. The current product description is IC REG CTRLR MULT TOP 14SOIC, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is UC3843DTR available in stock?
This page currently shows 21459 units in stock and 12713 units available for UC3843DTR. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for UC3843DTR?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for UC3843DTR by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for UC3843DTR?
A dedicated datasheet link is not currently listed for UC3843DTR by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
How should buyers verify UC3843DTR before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for UC3843DTR before approving the order.
PMIC - Voltage Regulators - DC DC Switching Controllers
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
More sourcing insights
Articles
Explore related articles around UC3843DTR, PMIC - Voltage Regulators - DC DC Switching Controllers, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
FPGAAMD XilinxIntel Altera
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
wide-bandgap semiconductorsSiCGaN
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
Texas Instrumentsanalog ICpower management IC