LM2687MMX National Semiconductor, LM2687MMX Datasheet
LM2687MMX
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LM2687MMX Summary of contents
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... The device comes in a small 8-pin MSOP or LLP package. Typical Application Circuit Connection Diagrams 8-Pin MSOP © 2003 National Semiconductor Corporation Features n Inverts and regulates the input supply voltage n Small MSOP-8 or LLP-8 package n 91% typical charge pump power efficiency at 10mA n Low output ripple (1mV typical) n Shutdown lowers Quiescent current to 0.05 µ ...
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... Ordering Information for MSOP Package Device Order Number LM2687MM LM2687MMX Ordering Information for LLP Package Device Order Number LM2687LD LM2687LDX Note: * The small physical sizes of the MSOP-8 and LLP-8 packages do not allow for the full part number marking. Devices will be marked with the designation shown in the column Package Marking ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V to GND or GND IN to OUT and V Continuous Output NEG OUT Current V Short-Circuit Duration to GND OUT (Note 2) Continuous Power Dissipation (T ...
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FIGURE 1. Standard Application Circuit for Minimum Capacitance Values FIGURE 2. Standard Application Circuit for Low Output Noise www.national.com 10118021 10118022 4 ...
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Typical Performance Characteristics Output Voltage vs. Output Current Figure 2 Output Voltage vs. Input Voltage Maximum V Current vs. Input Voltage NEG Unless otherwise specified, T Output Voltage vs. Output Current 10118004 Maximum Output Current vs. Input Voltage 10118006 No ...
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Typical Performance Characteristics V = −2.5V. (Continued) OUT Start-Up Time vs. Input Voltage Figure 1 Start-Up from Shutdown (no load) Figure 2 Output Ripple Figure 2 www.national.com Unless otherwise specified, T Switching Frequency vs. Input Voltage 10118010 10118012 Line Transient ...
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Typical Performance Characteristics V = −2.5V. (Continued) OUT Load Transient Response Output Noise Spectrum Figure 1 Unless otherwise specified, T 10118018 10118024 FIGURE 3. Functional Block Diagram 7 = 25˚ vs. Temperature FB 10118015 Output Noise Spectrum Figure ...
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Device Description The LM2687 is an inverting, regulated charge-pump power converter. It features low noise, small physical size, and is simple to use ideal solution for biasing GaAsFET devices such as power amplifier modules found in portable ...
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Physical Dimensions inches (millimeters) unless otherwise noted For Ordering, Refer to Ordering Information Table MSOP-8 Package 8-Lead Mini SO-8 (MM) NS Package Number MUA08A 9 www.national.com ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...