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Single ended 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0C to 70C
SOP14Manufacturer:
Mfr.Part #:
UC3844D
Datasheet:
Series: UC3844
Output Type:
Transistor Driver
Function:
Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration:
Positive, Isolation Capable
EDA/CAD Models:
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The UC3844D is a Current Mode PWM Controller designed by Texas Instruments (TI). It's a semiconductor component that enables efficient power management and control in various applications. With its features, such as current sense input with adjustable threshold, automatic feed forward compensation, and pulse-by-pulse current limit, this controller ensures reliable operation and prevents damage from overcurrent conditions. The UC3844D is suitable for use in switch-mode power supply applications, including AC-DC and DC-DC converters, battery chargers, LED drivers, and voltage regulators. It can also be employed in motor control systems, lighting systems, and industrial equipment to manage power efficiently. With its wide VCC range of 8V to 20V, the UC3844D provides flexibility for various voltage requirements. In summary, the UC3844D is a current mode PWM controller that enables efficient power management and control in various applications with features such as current sense input, automatic feed forward compensation, and overcurrent shutdown.
According to the product information, the features of the UC3844D are:
These features make the UC3844D suitable for various applications such as switch-mode power supply, motor control, lighting systems, and industrial equipment.
The package type of UC3844D is SOIC-14 (Small Outline Integrated Circuit, 14-pin).
The manufacturer of the UC3844D is Texas Instruments (TI), a well-known American technology company that designs, manufactures, tests, and sells semiconductors, including integrated circuits and embedded systems solutions. TI is one of the largest and most successful semiconductor companies in the world, with a wide range of products used in many industries, including consumer electronics, automotive, medical devices, and more.
The UC3844D is commonly used in switch-mode power supply applications, including AC-DC and DC-DC converters, battery chargers, LED drivers, and voltage regulators. It can also be utilized in motor control, lighting systems, and industrial equipment for efficient power management and control functions.
The equivalent products of UC3844D are:
These ICs offer similar current-mode PWM controller functionality and can be used as alternatives in various applications.
Category | Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers | Output Type | Transistor Driver |
Function | Step-Up, Step-Down, Step-Up/Step-Down | Output Configuration | Positive, Isolation Capable |
Topology | Boost, Buck, Buck-Boost, Flyback, Forward | Number of Outputs | 1 |
Output Phases | 1 | Voltage - Supply (Vcc/Vdd) | 12V ~ 28V |
Frequency - Switching | Up to 500kHz | Duty Cycle (Max) | 48% |
Synchronous Rectifier | No | Clock Sync | No |
Serial Interfaces | - | Control Features | Frequency Control |
Operating Temperature | 0°C ~ 70°C (TA) | Mounting Type | Surface Mount |
Base Product Number | UC3844 | Product Category | Switching Controllers |
Output Voltage | 4.9 V to 5.1 V | Output Current | 1 A |
Minimum Operating Temperature | 0 C | Maximum Operating Temperature | + 70 C |
Mounting Style | SMD/SMT | Operating Supply Voltage | 30 V |
Product Type | Switching Controllers | Subcategory | PMIC - Power Management ICs |
Type | Current Mode PWM Controllers | Unit Weight | 0.011923 oz |
Package/Case | SOP14 |
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Qty. | Unit Price | Ext. Price |
---|---|---|
1+ | $0.570 | $0.57 |
200+ | $0.221 | $44.20 |
500+ | $0.214 | $107.00 |
1000+ | $0.209 | $209.00 |
The prices above are for reference only.
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