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LT3433IFE#TRPBF
+物料清單IC REG BCK BST ADJ 500MA 16TSSOP
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製造商部分 #LT3433IFE#TRPBF
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規格
| 屬性 | 價值 |
| Part Status | Active |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck-Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 60V |
| Voltage - Output (Min / Fixed) | 3.3V |
| Voltage - Output (Max) | 20V |
| Current - Output | 500mA (Switch) |
| Frequency - Switching | 200kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 16-TSSOP-EP |
| Base Product Number | LT3433 |
概述
Description
Key specifications include adjustable output voltage, high efficiency (up to 95%), and the ability to deliver high output current. It supports features such as pulse-width modulation (PWM) control for improved transient response and a built-in soft-start mechanism to limit inrush current during startup.
Additionally, the LT3433IFE#TRPBF offers thermal shutdown and current limit protection for enhanced reliability. It is suitable for powering microcontrollers, sensors, and other components in battery-operated and line-powered applications. The device is available in a thermally enhanced package, ensuring efficient heat dissipation.
Equivalent
1. TPS61040 - Texas Instruments
2. MICROCHIP MCP16331 - Microchip Technology
3. LM2577 - Texas Instruments
4. LT1302 - Analog Devices
Check compatibility in terms of input/output voltage, current ratings, and other specifications for your specific application.
Features
1. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V, making it suitable for various power sources.
2. High Efficiency: Offers efficiencies up to 95%, reducing heat generation and improving overall performance.
3. Output Current: Capable of delivering up to 3A of output current, suitable for powering demanding loads.
4. Adjustable Output Voltage: Output voltage can be set from 0.8V to 30V, providing flexibility for different applications.
5. Integrated Switch: Incorporates a high-speed internal switch, simplifying design and reducing component count.
6. Frequency: Operates at a selectable switching frequency of 300kHz or 1.2MHz, allowing for optimization between efficiency and size.
7. Thermal Protection: Features thermal shutdown and current limiting for enhanced reliability.
8. Compact Package: Available in a thermally enhanced 20-lead TSSOP package, ideal for space-constrained designs.
These attributes make the LT3433IFE#TRPBF a versatile choice for industrial, automotive, and consumer electronics applications.
Pinout
Key functions of the pins include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, connected to the inductor.
3. GND (Pin 3): Ground reference.
4. VOUT (Pin 4): Output voltage.
5. COMP (Pin 5): Compensation for stability.
6. FB (Pin 6): Feedback for output voltage regulation.
7. Rset (Pin 7): Resistor for setting frequency.
8. SS (Pin 8): Soft-start control.
9. EN (Pin 9): Enable pin for power control.
10. PG (Pin 10): Power good indicator.
11. ISENSE (Pin 11): Current sense.
12. VREF (Pin 12): Reference voltage output.
13-16: Additional pins for thermal and protection features.
The LT3433 is designed for applications requiring high efficiency and low noise in a compact package.