UC3844D
Texas Instruments · 14-SOIC (D)
UC3844D is a Texas Instruments part in the AC/DC controllers category (14-SOIC (D)). Single ended 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0C to 70C
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Get price & lead timeDatasheet (manufacturer)
- Brand
- Texas Instruments
- Category
- AC/DC controllers
- Package
- 14-SOIC (D)
- Manufacturer L/T
- 26 weeks
- MOQ
- 1
- SPQ
- 50
- RoHS
- Yes
- HS code
- 854239
- Checked
Stock, price and recent changes
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Buyer questions
Can ChipRadar source UC3844D?
Manufacturer-site stock is a dated snapshot, not our inventory. Send the quantity and required date; ChipRadar checks sourcing options and replies with price, lead time and D/C.
What is the lead time for UC3844D?
The manufacturer site lists a lead time of 26 weeks for UC3844D; confirm the current lead time with a quote.
How can I check UC3844D before I pay?
Ask for photos of the reel or tray labels and the D/C range with your quote. The scope of checks is agreed for each order.
What is the MOQ and packaging for UC3844D?
Manufacturer MOQ: 1 pc; SPQ: 50 pcs. Smaller sample quantities on request.
Same series · UC3844
Incoming check
Marking, package, packing and compliance values are manufacturer-published data.
Documents & labels
- RoHS: Yes
- REACH (TI declaration): no SVHC above 0.1% and no Annex XVII restricted substance above its allowed limit. TI's definitions
Packing & moisture
- Standard pack quantity (SPQ): 50, packing: TUBE
- Moisture sensitivity: MSL 1 (manufacturer datasheet)
Visual & marking
- Manufacturer marking: UC3844D (manufacturer datasheet)
- Lead finish: NIPDAU (manufacturer datasheet)
Package & dimensions
- Package: 14-SOIC (D), 14 pins
- Package drawing (manufacturer PDF) →
UC3844 family parameters
Parameters as published by the manufacturer. Values can differ by P/N — check the datasheet.
Show all parameters (10)
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| Parameter | Value |
|---|---|
| Control mode | Peak current mode |
| Duty cycle (max) | 50 % |
| Features | Adjustable switching frequency / Current limiting / Dead time control / Error amplifier / Fixed frequency / Multi-topology |
| Operating temperature range | 0 to 70 °C |
| Package area | 29.4 / 51.9 / 92.5083 mm² |
| Package size (L x W) | 4.9 x 6 / 8.65 x 6 / 9.81 x 9.43 mm |
| Package type | PDIP / SOIC |
| Rating | Catalog |
| Topology | Boost / Buck / Buck boost / Flyback / Forward |
| Vin (max) | 28 V |
About UC3844D
UC3844D is an orderable part number (P/N) from Texas Instruments, in the UC3844 family. Package: 14-SOIC (D). Category: AC/DC controllers. Other P/N in the UC3844 family: 6. Lifecycle status on the manufacturer site: Active. Released October 1, 1983.
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