LTC1735CS#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOIC-16

Essence: The LTC1735CS#PBF is a power management IC designed for various applications that require efficient power conversion and regulation.

Packaging/Quantity: The LTC1735CS#PBF is available in tape and reel packaging, with 250 units per reel.

Specifications

• Input Voltage Range: 2.7V to 6V
• Output Voltage Range: 0.8V to VIN
• Quiescent Current: 40µA
• Maximum Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC1735CS#PBF has the following pin configuration:

```

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| | --| VOUT | --| FB | --| GND | --| SW | --| VIN | --| EN | --| SS | --| PG | --| ITH | --| COMP | --| VCC | --| UVLO | --| OVLO | --| OCSET | |___________| ```

Functional Features

1. High Efficiency: The LTC1735CS#PBF incorporates a high-efficiency synchronous buck regulator, ensuring minimal power loss during operation.
2. Low Quiescent Current: With a quiescent current of only 40µA, the LTC1735CS#PBF minimizes power consumption when in standby or low-load conditions.
3. Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 6V, making it suitable for a wide range of applications.
4. Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to the input voltage (VIN), providing flexibility in power supply design.
5. Overcurrent Protection: The LTC1735CS#PBF features overcurrent protection, safeguarding the circuit and load from excessive current.
6. Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited maximum switching frequency may not be suitable for certain high-frequency applications - Requires external components for complete power management solution

Working Principles

The LTC1735CS#PBF operates as a synchronous buck regulator, converting the input voltage to a regulated output voltage. It utilizes pulse-width modulation (PWM) to control the duty cycle of the internal switches, achieving efficient power conversion. The feedback loop adjusts the duty cycle based on the output voltage, ensuring stable and accurate regulation.

Detailed Application Field Plans

The LTC1735CS#PBF is widely used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - IoT devices

Detailed and Complete Alternative Models

1. LTC1736CS#PBF
2. LTC1737CS#PBF
3. LTC1738CS#PBF
4. LTC1739CS#PBF
5. LTC1740CS#PBF

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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