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TL3844P
+BOMIC REG CTRLR BST FLYBK PWM 8-DIP
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #TL3844P
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データシート TL3844P DataSheet
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在庫状況3835
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| PartStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Flyback, Forward |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 10V ~ 30V |
| Frequency-Switching | Up to 500kHz |
| DutyCycle(Max) | 48% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Through Hole |
| Package/Case | 8-DIP (0.300", 7.62mm) |
| SupplierDevicePackage | 8-PDIP |
| BaseProductNumber | TL3844 |
概要
Description
The TL3844P is often used in power supply circuits, including those for consumer electronics, industrial equipment, and automotive systems. It supports multiple configurations, enabling users to implement buck, boost, or inverter topologies, depending on the desired application.
Key specifications include high efficiency, low standby current, and the ability to drive external transistors for increased output current. The TL3844P's ease of use and adaptability make it a popular choice among engineers for efficiently managing power supply designs.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 8V to 40V, making it suitable for various power supply designs.
2. Adjustable Duty Cycle: Supports a duty cycle range from 0% to 100%, allowing for flexible output voltage regulation.
3. High Switching Frequency: Capable of operating at frequencies up to 100 kHz, enabling smaller inductors and capacitors in circuit designs.
4. Built-In Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown for enhanced reliability.
5. Error Amplifier: Features an internal error amplifier for accurate voltage regulation and feedback control.
6. External Compensation: Allows for external compensation to optimize transient response and stability.
7. Output Voltage Stability: Provides tight output voltage regulation with minimal ripple.
8. TO-220 Package: Available in a durable package for easier thermal management and integration.
These features make the TL3844P suitable for various applications, including switch-mode power supplies and DC-DC converters.
Pinout
1. Pin 1 (VCC): Supply voltage input (operating range typically from 10V to 30V).
2. Pin 2 (GND): Ground reference.
3. Pin 3 (Vref): Reference voltage output (typically 5V).
4. Pin 4 (CS): Current sense input, used for overcurrent protection.
5. Pin 5 (COMP): Compensation for the feedback loop.
6. Pin 6 (RAMP): Ramp voltage input for pulse-width modulation.
7. Pin 7 (CT): Timing capacitor input for oscillator frequency setting.
8. Pin 8 (OUT): Output driver for controlling external power transistors.
These features make the TL3844P suitable for controlling power supplies and ensuring efficient operation of converters.
Manufacturer
Founded in 1930, TI has established itself as a leader in the semiconductor space, providing a diverse portfolio of products like microcontrollers, processors, and analog devices. The TL3844P itself is a popular voltage mode PWM (Pulse Width Modulation) controller used in switch-mode power supplies, showcasing TI's commitment to developing efficient solutions for power management.
Overall, Texas Instruments is recognized for its engineering excellence and contribution to advancing technology in electronic systems worldwide.
Application
1. Switching Power Supplies: It serves as a controller in DC-DC converters, including buck, boost, and flyback topologies.
2. Voltage Regulation: It regulates output voltage for various electronic devices.
3. Battery Chargers: Utilized in battery management systems to optimize charging processes.
4. LED Drivers: Controls current for LED lighting applications.
5. Motor Control: Employed in driving motors with precise control of power delivery.
Its wide input voltage range and adjustable frequency make it suitable for diverse industrial and consumer applications.