Part #: UC1843LQMLV
Part Category: Other Semiconductors
Manufacturer: Texas Instruments High-Performance Analog
Description: Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20
Find Equivalent Parts
Manufacturer: Texas Instruments High-Performance Analog
Description: Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20
Find Equivalent Parts
UC1843LQMLV SPECIFICATIONS
| Mfr Package Description | CERAMIC, LCC-20 |
| Status | Discontinued |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Nom | 15.0 V |
| Input Voltage-Min | 8.2 V |
| Input Voltage-Max | 25.0 V |
| JESD-30 Code | S-CQCC-N20 |
| Number of Functions | 1 |
| Number of Terminals | 20 |
| Operating Temperature-Min | -55.0 Cel |
| Operating Temperature-Max | 125.0 Cel |
| Output Current-Max | 1.0 A |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Code | QCCN |
| Package Equivalence Code | LCC20,.35SQ |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER |
| Qualification Status | Not Qualified |
| Screening Level | MIL-PRF-38535 Class V |
| Seated Height-Max | 2.03 mm |
| Sub Category | Switching Regulator or Controllers |
| Surface Mount | YES |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 500.0 kHz |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Form | NO LEAD |
| Terminal Pitch | 1.27 mm |
| Terminal Position | QUAD |
| Length | 8.89 mm |
| Width | 8.89 mm |
UC1843LQMLV FEATURED EQUIVALENT PARTS
Click on an equivalent part number to view part details, or select up to 4 parts to compare side-by-side.
| Equivalent Part | Manufacturer | Replacement Type [?]
Replacement TypesDrop-In Replacement: Same function, same pinout, parametrically equivalent or better to the compared device. Same Functionality: Same function, but different pinout and parameters to the compared device. 
|
Status | ||
|---|---|---|---|---|---|
| 5962-8670406XA | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| 5962-8670402XX | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| 5962-8670402XA | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CQCC20 |
|
| UC1843L883B | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CQCC20 |
|
| UC1843AL883B | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| 5962-8670406VXA | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CQCC20 |
|
| 5962-8670402XA | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| UC1843L | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CQCC20 |
|
| UC1843L/883BC | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| 5962-8670406XX | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CQCC20 |
|
| UC1843AL/883BC | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| UC1843ALQMLV | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| 5962-8670406XA | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CQCC20 |
|
| 5962-8670402VXA | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Drop-In Replacement | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CQCC20 |
|
| UC1845AJ/883BC | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 |
|
| UC2842D8TR | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8 |
|
| UC3844NG4 | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDIP8 |
|
| UCC3802PWTRG4 | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8 |
|
| TL3845DRG4-8 | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO8 |
|
| UC1845J883B | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CDIP8 |
|
| UC2845AN | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8 |
|
| UC3847J | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 0.5A, 500kHz Switching Freq-Max, BICMOS, CDIP16 |
|
| UC2843DTRG4 | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO14 |
|
| UCC3802PW | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8 |
|
| UC3843AD | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14 |
|
| UC2846AN | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1.5A, 500kHz Switching Freq-Max, BIPolar, PDIP16 |
|
| V62/03625-02YE | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8 |
|
| UC3843D8TRG4 | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8 |
|
| UC3845D8 | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: ACTIVE |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8 |
|
| UC3843AJ | Manufacturer: Texas Instruments High-Performance Analog | Replacement Type: Same Functionality | Status: DISCONTINUED |
Description:Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8 |