LTC1735EGN#PBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 16-Lead SSOP
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel (2500 pieces per reel)

Specifications

• Input Voltage Range: 2.7V to 6V
• Output Voltage Range: 1.21V to 5.5V
• Output Current: Up to 500mA
• Quiescent Current: 30µA (typical)
• Switching Frequency: 1.5MHz
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC1735EGN#PBF has a 16-Lead SSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. SW: Switch Node
4. FB: Feedback Pin
5. EN: Enable Pin
6. PG: Power Good Indicator
7. VOUT: Output Voltage
8. VCC: Supply Voltage for Internal Circuitry
9. NC: No Connection
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection

Functional Features

• High efficiency synchronous buck regulator
• Low quiescent current for improved battery life
• Wide input voltage range allows for versatile applications
• Adjustable output voltage through external resistors
• Power good indicator for system monitoring
• Thermal shutdown and current limit protection

Advantages and Disadvantages

Advantages: - High efficiency operation saves power - Low quiescent current extends battery life - Wide input voltage range accommodates various power sources - Adjustable output voltage provides flexibility - Power good indicator enhances system reliability - Built-in protection features ensure safe operation

Disadvantages: - Limited output current (up to 500mA) - Requires external resistors for output voltage adjustment - Not suitable for high-power applications

Working Principles

The LTC1735EGN#PBF is a synchronous buck regulator that converts a higher input voltage to a lower output voltage. It utilizes high-frequency switching to efficiently step down the voltage while minimizing power losses. The regulator operates in continuous mode, ensuring smooth and stable output voltage.

The device incorporates a feedback mechanism that compares the output voltage with a reference voltage. By adjusting the duty cycle of the internal switches, the regulator maintains the desired output voltage. The enable pin allows for easy on/off control, while the power good indicator signals when the output voltage is within the specified range.

Detailed Application Field Plans

The LTC1735EGN#PBF is well-suited for a wide range of applications, including but not limited to:

1. Battery-powered devices: Portable electronics, handheld instruments, wireless sensors.
2. Industrial equipment: PLCs (Programmable Logic Controllers), motor control systems, automation devices.
3. Automotive electronics: Infotainment systems, navigation units, lighting control modules.
4. IoT (Internet of Things) devices: Smart home appliances, wearable devices, environmental monitoring systems.
5. Communication systems: Wireless routers, network switches, base stations.

Detailed and Complete Alternative Models

1. LTC1736EGN#PBF: Similar to LTC1735EGN#PBF, but with higher output current capability (up to 1A).
2. LTC1734EGN#PBF: Lower quiescent current version of LTC1735EGN#PBF (15µA typical).
3. LTC1737EGN#PBF: Synchronous buck regulator with adjustable output voltage and integrated power good indicator.

These alternative models offer different specifications and features to cater to specific application requirements.

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