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SC1650 Datasheet (PDF) - Semtech Corporation

SC1650 Datasheet PDF - Semtech Corporation
Part # SC1650
Download  SC1650 Download

File Size   90.5 Kbytes
Page   4 Pages
Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation
Description HIGH-VOLTAGE INVERTING DC-DC CONVERTER

SC1650 Datasheet (PDF)

Go To PDF Page Download Datasheet
SC1650 Datasheet PDF - Semtech Corporation

Part # SC1650
Download  SC1650 Click to download

File Size   90.5 Kbytes
Page   4 Pages
Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation
Description HIGH-VOLTAGE INVERTING DC-DC CONVERTER

SC1650 Datasheet (HTML) - Semtech Corporation

SC1650 Datasheet HTML 1Page - Semtech Corporation SC1650 Datasheet HTML 2Page - Semtech Corporation SC1650 Datasheet HTML 3Page - Semtech Corporation SC1650 Datasheet HTML 4Page - Semtech Corporation

SC1650 Product details

DESCRIPTION
The SC1650 is a high performance inverting DC-DC converter, designed to drive an external power switch to generate programmable negative voltages. In the particularly suitable LCD bias contrast application, maximum efficiency of 90% can be achieved with low cost PNP bipolar transistor drivers. The 4V to 24V input operation range allows the SC1650 to be powered directly by the battery pack in most batteryoperated applications for greater efficiency. The output voltage can be scaled to -40V by two external resistors. A pulse frequency modulation scheme is employed to maintain high efficiency conversion under wide input voltage ranges. Quiescent current is about 100µA and can be reduced to 8µA in shutdown mode. With a switching frequency range of 100kHz to 320kHz, small size switching components may be used, which is ideal for battery powered portable equipment such as notebook and palmtop computers.

FEATURES
 • 4V to 24V input voltage operation
 • Adjustable output voltage up to -40V
 • Low quiescent current at 100µA
 • Pulse frequency modulation maintains high efficiency (max 90%)
 • 100kHz to 320kHz switching frequency
 • Power-Saving shutdown mode (8µA typical)
 • High efficiency with low cost external PNP bipolar transistor

APPLICATIONS
 • Negative LCD contrast bias for
    1. Notebook & palmtop computers
    2. Pen-based data systems
    3. Portable data collection terminals
    4. Personal digital assistants
 • Negative voltage supplies



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About Semtech Corporation


Semtech Corporation is an American technology company that specializes in the design and manufacture of high-performance analog and mixed-signal semiconductors. The company was founded in 1960 and is headquartered in Camarillo, California. Semtech provides a wide range of products including data converters, power management solutions, high-frequency products, and other analog and mixed-signal components for a variety of applications, including wireless communications, automotive, industrial, and consumer electronics.

Semtech is known for its expertise in analog and mixed-signal technology and its ability to provide innovative and high-performance products. The company has a strong focus on research and development and is actively involved in the development of new technologies and solutions for the semiconductor industry. Semtech's products are widely used in a variety of applications and help support the growth of the electronics industry.

In recent years, Semtech has expanded its product portfolio and offerings to include solutions for the Internet of Things (IoT) and wireless sensing markets. The company is committed to helping its customers design, develop, and deploy innovative products that meet the changing needs of the electronics industry.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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