LM25117PMHE/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current mode control - Overcurrent protection - Thermal shutdown protection

Package: PowerPAD HTSSOP-16

Essence: The LM25117PMHE/NOPB is a high-performance power management IC designed for various applications requiring efficient power conversion.

Packaging/Quantity: The LM25117PMHE/NOPB is available in a PowerPAD HTSSOP-16 package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 20V
• Maximum Output Current: 1A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM25117PMHE/NOPB has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. FB: Feedback voltage input
4. EN: Enable control input
5. SS/TR: Soft-start/tracking input
6. COMP: Compensation node
7. VCC: Supply voltage for internal circuitry
8. PGND: Power ground reference
9. SW: Switch node connection
10. BOOT: Bootstrap capacitor connection
11. BST: Boost capacitor connection
12. SS/TR: Soft-start/tracking input
13. SS/TR: Soft-start/tracking input
14. VCC: Supply voltage for internal circuitry
15. PGND: Power ground reference
16. VOUT: Output voltage

Functional Features

• High efficiency power conversion
• Adjustable output voltage for flexibility
• Current mode control for stable operation
• Overcurrent protection to prevent damage
• Thermal shutdown protection for safety

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Current mode control ensures stability - Overcurrent and thermal shutdown protection enhance safety

Disadvantages: - Limited maximum output current (1A)

Working Principles

The LM25117PMHE/NOPB operates on the principle of switching power conversion. It uses a high-frequency switching transistor to regulate the input voltage and provide a stable output voltage. The current mode control ensures proper regulation and stability, while the overcurrent and thermal shutdown protection mechanisms protect the IC from damage.

Application Field Plans

The LM25117PMHE/NOPB can be used in various applications, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Telecommunications systems - LED lighting - Battery charging circuits

Alternative Models

• LM25118PMHE/NOPB
• LM25119PMHE/NOPB
• LM25120PMHE/NOPB
• LM25121PMHE/NOPB

These alternative models offer similar functionality and can be considered as substitutes for the LM25117PMHE/NOPB.

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