Imagis Co., Ltd.
LM7900
CONFIDENTIAL 2012-04-16
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1. Overview
1.1 Description
LM7900 series of fixed output negative voltage regulators are intended as complement
to LM7800 series devices. These negative regulators are available in the same even-voltage options
as the LM7800 devices
1.2 Features
• No external components required
• Output voltages (5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V, 24V)
• Internal Thermal shutdown and SOA protection
• Output voltage offered in 4% Tolerance
• Pb-Free Packages are available
• High ESD Level (HBM>8,000V, MM>800V)
1.3 Standard Application
Input 2 3 Output
CI 1 CO
2.2㎌ 0.1㎌
The input voltage must remain typically 2.0V below the output voltage even during the
high point on the ripple voltage.
• CI is required if regulator is located an appreciable distance from power filter.
• Co improves transient response. Values of ≤1.0 ㎌ could cause instability.
1.4 Package Type
1. GND
2. INPUT
123 123 1 2 3 3. OUTPUT
TO-220F TO-220 D-PAK(TO-252)
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