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LM43602PWPR
+物料清單IC REG BUCK ADJ 2A 16HTSSOP
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製造商德州儀器
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製造商部分 #LM43602PWPR
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有存貨2782
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規格
| 屬性 | 價值 |
| Series | SIMPLE SWITCHER® |
| Part Status | Active |
| Base Product Number | LM43602 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | 28V |
| Current - Output | 2A |
| Frequency - Switching | 200kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 16-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 16-HTSSOP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
概述
Description
Key features of the LM43602 include a high switching frequency (up to 2.2 MHz), which allows for smaller external components and a more compact design. It also integrates a 45 mΩ high-side MOSFET and a 25 mΩ low-side MOSFET, enhancing efficiency and thermal performance. The device offers precision enable and power good functions, internal compensation, and adjustable soft-start to ensure smooth operation.
Protection features such as cycle-by-cycle current limit, thermal shutdown, and short-circuit protection make it robust for various applications, including industrial, automotive, and consumer electronics. Its compact HTSSOP-16 package with PowerPAD™ allows for efficient heat dissipation and easy PCB layout.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 3.5V to 36V, suitable for various applications.
2. Output Current: Provides up to 2A continuous output current.
3. Adjustable Output Voltage: Allows output voltages as low as 1V.
4. Efficiency: High efficiency with a peak of 95%, reducing power loss and heat.
5. Integrated MOSFETs: Reduces component count and enhances performance.
6. Switching Frequency: Adjustable from 200 kHz to 2.2 MHz, enabling size optimization.
7. Low Quiescent Current: Approximately 28 µA in low-power mode, ideal for battery-powered applications.
8. Protection Features: Includes thermal shutdown, cycle-by-cycle current limit, and undervoltage lockout.
9. EMI Reduction: Features spread spectrum frequency modulation to minimize electromagnetic interference.
10. Package: Available in a thermally enhanced 16-pin TSSOP package.
These features make the LM43602PWPR a versatile choice for powering various electronic devices while maintaining efficiency and reliability.
Pinout
The device is housed in a 16-pin HTSSOP package. Here is a summary of its pin functions:
1. VIN: Input voltage supply.
2. EN: Enable input to control device on/off.
3. PG: Power good indicator output.
4. RT: Frequency adjust pin.
5. SYNCIN: Synchronization input.
6. FB: Feedback input for output voltage regulation.
7. AGND: Analog ground.
8. PGND: Power ground.
9. SW: Switch node output.
10. BOOT: Bootstrapped gate drive supply.
11. VCC: Internal LDO output.
12. SS/TR: Soft start or tracking input.
13. R5, R6, R8, R9: No Connect or Reserved pins; typically left unconnected or used for specific configurations.
These pins facilitate functions such as input voltage regulation, on/off control, frequency adjustment, synchronization, feedback for voltage regulation, and power good indication.
Manufacturer
Application
1. Industrial Equipment: Provides reliable power regulation for sensors, controllers, and process automation equipment.
2. Telecommunications: Supports stable power delivery in network infrastructure and communication devices.
3. Consumer Electronics: Used in devices like set-top boxes, gaming consoles, and televisions.
4. Automotive Systems: Powers infotainment systems, instrument clusters, and other electronic modules.
5. Embedded Systems: Supplies microcontrollers, FPGAs, and other digital components in IoT and wearable devices.
Its wide input voltage range and high efficiency make it versatile for many power management solutions.