Изображения являются только для ссылки
LT1618EMS
+БОМSwitching Voltage Regulators LT1618 - Constant-Current/Constant-Voltage 1.4MHz Step-Up DC/DC Converter
-
ПроизводительАналоговые устройства
-
Мфр. Часть #LT1618EMS
-
Лист данных LT1618EMS DataSheet
-
В наличии21238
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
Обзор
Description
One of the key features of the LT1618EMS is its ability to operate at a fixed frequency, which minimizes electromagnetic interference (EMI) and simplifies the design of the power supply. It also includes features like soft-start, which prevents excessive inrush current during startup, and overcurrent protection, enhancing its reliability and safety.
The compact MSOP (Mini Small Outline Package) form factor allows for space-efficient designs, making it suitable for a variety of applications, including telecommunications, networking equipment, and portable electronics. Overall, the LT1618EMS is valued for its versatility, efficiency, and reliability in power conversion tasks.
Equivalent
Features
1. Voltage Range and Efficiency: Operates with input voltages ranging from 1.6V to 18V, making it suitable for use with a variety of power sources. It delivers high efficiency across a wide load range.
2. Current Mode Control: Utilizes a current-mode control architecture, which provides fast transient response and easy loop compensation, enhancing system stability and performance.
3. Adjustable Output: Offers an adjustable output voltage, allowing flexibility in setting the desired output level based on specific application needs.
4. Switching Frequency: Supports a fixed switching frequency of up to 1.4MHz, which helps minimize the size of external components and improve overall solution size.
5. Compact Package: Available in a compact MSOP package, which is beneficial for space-constrained applications.
6. Protection Features: Includes built-in protection features such as overcurrent protection and thermal shutdown, ensuring reliability and safety in operation.
These features make the LT1618EMS suitable for a variety of applications, including battery-powered devices, portable electronics, and industrial power supplies.
Pinout
1. SW (Pins 1, 2): Switch Node. Connect these pins to the inductor and diode.
2. GND (Pin 3): Ground. This pin should be connected to the ground plane of your circuit.
3. VC (Pin 4): Compensation. Connect a capacitor and a resistor network to this pin to stabilize the control loop.
4. SHDN/UVLO (Pin 5): Shutdown/Undervoltage Lockout. Pull this pin below 0.3V to shut down the device. Connect to a resistor divider for UVLO function.
5. VFB (Pin 6): Voltage Feedback. Connect to the output resistor divider network to set output voltage.
6. VCB (Pin 7): LED Current Sense. Connect this pin to the sense resistor to regulate LED current.
7. VIN (Pin 8): Input Supply Voltage. Connect to the input supply.
8. BYP (Pin 9): Bypass. Connect a capacitor from this pin to ground for noise reduction.
9. SS (Pin 10): Soft Start. Connect a capacitor to this pin to limit inrush current during startup.
These pin functions are critical for configuring the LT1618EMS in an LED driving application.
Manufacturer
Application
1. Portable Electronics: Used in devices like mobile phones, PDAs, and digital cameras due to its compact size and efficiency.
2. Battery-Powered Devices: Ideal for devices where battery life is critical, such as MP3 players and portable medical equipment.
3. LED Drivers: Suitable for driving high-brightness LEDs in applications like flashlights or backlighting.
4. LCD Biasing: Provides the necessary voltage levels for LCD displays.
5. Wireless Communication: Used in RF and other wireless communication devices for efficient power management.
These applications benefit from the LT1618EMS's efficiency and compact form factor.