LM3658SD-A/NOPB

Product Overview

Category: Voltage Regulator
Use: Power Management
Characteristics: High efficiency, compact size
Package: WSON-10 package
Essence: Step-down DC-DC converter
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.6V to 3.3V
Maximum Output Current: 2A
Efficiency: Up to 95%
Switching Frequency: 2.25MHz
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

VIN: Input voltage
PGND: Power ground
SW: Switch node
FB: Feedback voltage
EN: Enable pin
SS/TR: Soft-start/tracking
AGND: Analog ground
VOUT: Output voltage
BST: Bootstrap capacitor connection
LX: Inductor connection

Functional Features

Integrated synchronous rectifier for high efficiency
Low quiescent current in shutdown mode
Adjustable soft-start time
Overcurrent and thermal protection
Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact package size - Integrated protection features

Disadvantages: - Higher cost compared to non-synchronous regulators - Limited maximum output current

Working Principles

The LM3658SD-A/NOPB is a step-down DC-DC converter that uses a synchronous rectification topology to achieve high efficiency power conversion. It regulates the output voltage by adjusting the duty cycle of the internal switch based on the feedback voltage.

Detailed Application Field Plans

The LM3658SD-A/NOPB is suitable for various portable and battery-powered applications such as smartphones, tablets, portable media players, and digital cameras. It can be used to efficiently regulate the voltage from a single-cell lithium-ion battery to power the system's core components.

Detailed and Complete Alternative Models

LM3671: 2MHz, 600mA Step-Down DC-DC Converter
LM43603: 36V, 3A Simple Switcher Step-Down Regulator
TPS62840: 3MHz, 750mA Step-Down Converter

In conclusion, the LM3658SD-A/NOPB is a high-efficiency, compact step-down DC-DC converter designed for portable and battery-powered applications. Its integrated features and wide input voltage range make it a versatile choice for power management solutions.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM3658SD-A/NOPB v technických řešeních

Question: What is the input voltage range for LM3658SD-A/NOPB?
Answer: The input voltage range for LM3658SD-A/NOPB is 4.2V to 6.5V.
Question: What is the maximum charging current supported by LM3658SD-A/NOPB?
Answer: LM3658SD-A/NOPB supports a maximum charging current of 2A.
Question: Can LM3658SD-A/NOPB be used for fast charging applications?
Answer: Yes, LM3658SD-A/NOPB is suitable for fast charging applications.
Question: What is the thermal shutdown temperature for LM3658SD-A/NOPB?
Answer: The thermal shutdown temperature for LM3658SD-A/NOPB is 125°C.
Question: Does LM3658SD-A/NOPB support USB On-The-Go (OTG) functionality?
Answer: Yes, LM3658SD-A/NOPB supports USB On-The-Go (OTG) functionality.
Question: What is the recommended operating temperature range for LM3658SD-A/NOPB?
Answer: The recommended operating temperature range for LM3658SD-A/NOPB is -40°C to 85°C.
Question: Can LM3658SD-A/NOPB be used in portable power bank applications?
Answer: Yes, LM3658SD-A/NOPB is suitable for use in portable power bank applications.
Question: What is the typical standby current consumption of LM3658SD-A/NOPB?
Answer: The typical standby current consumption of LM3658SD-A/NOPB is 15µA.
Question: Is LM3658SD-A/NOPB compatible with lithium-ion and lithium-polymer battery chemistries?
Answer: Yes, LM3658SD-A/NOPB is compatible with both lithium-ion and lithium-polymer battery chemistries.
Question: Can LM3658SD-A/NOPB be used in solar-powered charging applications?
Answer: Yes, LM3658SD-A/NOPB can be used in solar-powered charging applications.