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LT3598EUF#TRPBF
+物料清單IC LED DRVR RGLTR PWM 30MA 24QFN
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製造商部分 #LT3598EUF#TRPBF
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規格
| 屬性 | 價值 |
| Series | True Color PWM™ |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 6 |
| Voltage - Supply (Min) | 3V |
| Voltage - Supply (Max) | 30V |
| Voltage - Output | 44V |
| Current - Output / Channel | 30mA |
| Frequency | 200kHz ~ 2.5MHz |
| Dimming | Analog, PWM |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) |
| Base Product Number | LT3598 |
概述
Description
Key features include:
1. Wide Input Voltage Range: It supports a broad input voltage range, allowing versatility in different power supply conditions.
2. High Efficiency: The IC is designed to maximize energy efficiency, reducing power loss and enhancing performance.
3. Protection Features: It includes overcurrent and thermal protection for increased reliability and safety in various environments.
4. Adjustable Brightness Control: Offers PWM and analog dimming capabilities for precise light output management.
5. Compact Design: Housed in a small footprint UFDFN package, it’s suitable for space-constrained applications.
The LT3598EUF#TRPBF is ideal for engineers seeking a robust solution for driving multiple LED strings with high efficiency and reliability.
Equivalent
1. Maxim Integrated's MAX16820, a high-brightness LED driver.
2. Texas Instruments' TPS61165, a white LED driver for displays.
3. ON Semiconductor's NCL30160, a constant current LED driver.
Ensure compatibility by matching electrical specifications and features to your application requirements. Always consult datasheets for detailed comparisons.
Features
1. Wide Input Voltage Range: Operates from 3V to 30V, accommodating a variety of power sources.
2. Output Current: Delivers up to 100mA per string, totaling a possible 1A across multiple strings.
3. Efficiency: High efficiency over a wide range of input and output voltages.
4. PWM Dimming: Supports external PWM dimming for brightness control, with a range of up to 3000:1.
5. Fault Protection: Features open LED protection and short-circuit protection to ensure safe operation.
6. Synchronization: Can be synchronized to an external clock for minimizing interference.
7. Thermal Protection: Includes thermal shutdown to prevent overheating.
8. Compact Package: Comes in a 24-lead (4mm x 4mm) QFN package, ideal for space-constrained applications.
These features make the LT3598EUF#TRPBF suitable for applications like display backlighting, automotive lighting, and other LED lighting tasks requiring precise control and reliability.
Pinout
Key features of the LT3598 include:
- Input Voltage Range: 3V to 30V
- Output Voltage: Up to 44V
- Current Mode Control: Allows for stable operation over a wide range.
- PWM Dimming: Capable of 3000:1 dimming ratio.
- Integrated Schottky Diode: Improves efficiency and reduces component count.
Each pin serves specific functions such as VIN for input voltage, GND for ground, SW for switch node, and FB for feedback. The IC uses a constant-frequency, current-mode step-up architecture to regulate the LED current, providing consistent brightness across varying conditions.
For detailed pin functions and descriptions, you should refer to the manufacturer's datasheet.