Technical Specifications
| Category | Integrated Circuits (ICs)/Linear and Switching Controllers |
| Product Status | Obsolete |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 12-WFDFN Exposed Pad |
| Supplier Device Package | 12-DFN (3x3) |
| Voltage - Supply | 3V ~ 25V |
| Frequency - Switching | 500kHz ~ 2.4MHz |
| Number of Outputs | 2 |
| Topology | Step-Down (Buck) (1), Linear (LDO) (1) |
| Voltage/ Current - Output 1 | 0.8V ~ 24.25V, 2A |
| Voltage/ Current - Output 2 | 0.8V ~ 24.25V, 1A |
| Voltage/ Current - Output 3 | - |
| w/ L E D Driver | No |
| w/ Supervisor | No |
| w/ Sequencer | No |
| M S L Rating | 1 (Unlimited, 30°C/85%RH) |
| U S E C C N | OBSOLETE |
| H T S U S | 0000.00.0000 |
| E U Ro H S Status | RoHS Compliant |
| R E A C H Status | Vendor is not defined |
| China Ro H S Status | Orange Symbol: Safe for use during the environmental protection period |
Product Overview
The LT1939IDD is a linear & switching controllers in the Switching Regulators & Converters family manufactured by Linear Technology. This part has been marked as obsolete by Linear Technology; FPGACenter can quote verified sourcing options through qualified specialty channels.
Key specifications include Category: Integrated Circuits (ICs)/Linear and Switching Controllers, Product Status: Obsolete, Operating Temperature: -40°C ~ 125°C, Mounting Type: Surface Mount, Package / Case: 12-WFDFN Exposed Pad.
This device comes in a 12-WFDFN Exposed Pad package with surface mount mounting.
Submit an RFQ for LT1939IDD; FPGACenter will verify availability, provenance, lead time, and pricing before confirming supply.
Application Areas
Frequently Asked Questions
Can FPGACenter source the LT1939IDD?
Yes. FPGACenter can quote LT1939IDD through qualified specialty sourcing channels. Availability, lead time, provenance, and pricing are verified before an order is confirmed.
What package type is the LT1939IDD available in?
The LT1939IDD by Linear Technology is available in a 12-WFDFN Exposed Pad package with surface mount mounting configuration. All parts are original and shipped in manufacturer-standard packaging.
The LT1939IDD is marked as obsolete. Are the parts genuine?
All LT1939IDD units sourced by FPGACenter are reviewed for originality, lot condition, and documentation before shipment. We use IDEA-STD-1010-aligned inspection practices for specialty-channel supply. We specialize in obsolete part sourcing and verify availability before confirming supply.