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Part Details for UC1844AMDREP by Texas Instruments
Results Overview of UC1844AMDREP by Texas Instruments
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (8 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Energy and Power Systems
Renewable Energy
UC1844AMDREP Information
UC1844AMDREP by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for UC1844AMDREP
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-UC1844AMDREPCT-ND
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DigiKey | IC REG CTRLR BST FLYBK PWM 8SOIC Min Qty: 1 Lead time: 18 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
11060 In Stock |
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$3.9512 / $6.9200 | Buy Now |
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DISTI #
2156-UC1844AMDREP-ND
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DigiKey | IC REG CTRLR BST FLYBK PWM 8SOIC Min Qty: 1 Lead time: 18 Weeks Container: Bulk MARKETPLACE PRODUCT |
5638 In Stock |
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$4.2400 | Buy Now |
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DISTI #
595-UC1844AMDREP
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Mouser Electronics | Switching Controllers Mil Enh Current-Mode PWM Cntrlr RoHS: Compliant | 2333 |
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$3.8900 / $6.9200 | Buy Now |
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DISTI #
86294035
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Verical | Current Mode PWM Controller 1A 500kHz 8-Pin SOIC T/R RoHS: Compliant Min Qty: 78 Package Multiple: 1 Date Code: 1301 | Americas - 2299 |
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$4.8250 | Buy Now |
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DISTI #
86294288
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Verical | Current Mode PWM Controller 1A 500kHz 8-Pin SOIC T/R RoHS: Compliant Min Qty: 78 Package Multiple: 1 Date Code: 0401 | Americas - 1331 |
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$4.8250 | Buy Now |
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DISTI #
86297259
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Verical | Current Mode PWM Controller 1A 500kHz 8-Pin SOIC T/R RoHS: Compliant Min Qty: 78 Package Multiple: 1 | Americas - 1208 |
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$4.8250 | Buy Now |
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DISTI #
86292902
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Verical | Current Mode PWM Controller 1A 500kHz 8-Pin SOIC T/R RoHS: Compliant Min Qty: 78 Package Multiple: 1 Date Code: 0501 | Americas - 800 |
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$4.8250 | Buy Now |
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Rochester Electronics | UC1844A-EP Enhanced Product Current Mode Pwm Controller RoHS: Compliant Status: Active Min Qty: 1 | 5638 |
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$3.0900 / $3.8600 | Buy Now |
Part Details for UC1844AMDREP
UC1844AMDREP CAD Models
UC1844AMDREP Part Data Attributes
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UC1844AMDREP
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
UC1844AMDREP
Texas Instruments
Enhanced Product Current Mode Pwm Controller 8-SOIC -55 to 125
Select a part to compare: |
| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Package Description | SOIC-8 | |
| Pin Count | 8 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 30 V | |
| Input Voltage-Min | 12 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.9 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Current-Max | 1 A | |
| Output Voltage-Max | 5.05 V | |
| Output Voltage-Min | 4.95 V | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 mm | |
| Supply Voltage-Max (Vsup) | 30 V | |
| Supply Voltage-Min (Vsup) | 12 V | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK-BOOST | |
| Switching Frequency-Max | 500 kHz | |
| Technology | BIPOLAR | |
| Temperature Grade | MILITARY | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 mm |
Alternate Parts for UC1844AMDREP
This table gives cross-reference parts and alternative options found for UC1844AMDREP. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of UC1844AMDREP, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| UC2844AD8 | Texas Instruments | $0.6115 | 30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 40°C to 85°C 8-SOIC -40 to 85 | UC1844AMDREP vs UC2844AD8 |
| UC2844AD8TR | Texas Instruments | Check for Price | 30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 40°C to 85°C 8-SOIC -40 to 85 | UC1844AMDREP vs UC2844AD8TR |
| UC2844AD8G4 | Texas Instruments | Check for Price | 30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 40°C to 85°C 8-SOIC -40 to 85 | UC1844AMDREP vs UC2844AD8G4 |
| UC3844AD8G4 | Texas Instruments | $0.5243 | 30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0°C to 70°C 8-SOIC 0 to 70 | UC1844AMDREP vs UC3844AD8G4 |
| SG3844DM | Microsemi Corporation | Check for Price | Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, ROHS COMPLIANT, PLASTIC, SOIC-8 | UC1844AMDREP vs SG3844DM |
| UC3844AD8 | Texas Instruments | $0.8290 | 30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0°C to 70°C 8-SOIC 0 to 70 | UC1844AMDREP vs UC3844AD8 |
| HA17384SRP | Renesas Electronics Corporation | Check for Price | 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, 3.95 X 4.90 MM, 1.27 MM PITCH, PLASTIC, SOP-8 | UC1844AMDREP vs HA17384SRP |
| V62/03625-03YE | Texas Instruments | Check for Price | Enhanced Product Current Mode Pwm Controller 8-SOIC -55 to 125 | UC1844AMDREP vs V62/03625-03YE |
UC1844AMDREP Frequently Asked Questions (FAQ)
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The recommended operating voltage range for the UC1844AMDREP is 12V to 35V, with a typical operating voltage of 15V.
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To ensure stability and oscillation at the desired frequency, it's essential to follow the recommended component values and PCB layout guidelines provided in the datasheet, and to use a suitable output filter to prevent oscillation.
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The UC1844AMDREP can deliver a maximum output current of 1A, but this may vary depending on the specific application and operating conditions.
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To protect the UC1844AMDREP from overvoltage and undervoltage conditions, it's recommended to use voltage regulators, such as the TLV703 or TLV704, and to add overvoltage protection (OVP) and undervoltage protection (UVP) circuits to the design.
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The soft-start pin (SS) on the UC1844AMDREP is used to control the output voltage ramp-up time during power-up, preventing excessive inrush currents and ensuring a smooth startup.