lm2792ldx-h National Semiconductor Corporation, lm2792ldx-h Datasheet
lm2792ldx-h
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lm2792ldx-h Summary of contents
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... The shutdown pin reduces the op- erating current to 1µA (max.). The LM2792 is available pin leadless leadframe (LLP) CSP package. Basic Application Circuit © 2002 National Semiconductor Corporation Features n Output matching of n Drives up to two LED’s n 3.0V to 5.8V Input Voltage ...
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... Connection Diagram Ordering Information Order Number Shutdown Polarity LM2792LD-L Active Low LM2792LDX-L Active Low LM2792LD-H Active High LM2792LDX-H Active High www.national.com 20024203 Top View 10-Lead LLP NSC Package Package Drawing Marking LLP-10 SRB LLP-10 SRB LLP-10 SPB LLP-10 SPB 2 Supplied As 1000 Units, Tape and Reel ...
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Pin Description Pin Name 1 BRGT Variable voltage input controls output current Charge pump output. OUT 3 C1− Connect this pin to the negative terminal of C1. 4 C1+ Connect this pin to the positive terminal of C1. ...
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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 BRGT, SD Power Dissipation (Note 2) T (Note 2) JMAX θ (Note 7) JA Storge Temperature Lead ...
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Typical Performance Characteristics 3.6V, BRGT pin =2.75V Input Supply Current vs Shutdown Threshold vs vs. Temperature Q(SHUTSOWN) Unless otherwise specified =16mA 20024225 IN 20024219 20024210 ...
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Typical Performance Characteristics 3.6V, BRGT pin =2.75V (Continued) I vs. BRGT DIODE V vs. V SET BRGT www.national.com Unless otherwise specified, C Switch Frequency vs. Temperature 20024216 20024226 1uF HOLD ...
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Circuit Description The LM2792 provides two matched current sources for driv- ing high forward voltage drop LEDs from Li-Ion battery sources. The part has on-chip current regulators which are composed of current mirrors with ratio. The ...
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Application Information be used for most applications or a surface mount diode such as BAT54-series and MA2J704 can be used to reduce the circuit size.Table 2 below lists suggested schottky diode manufactures. TABLE 2. Diode Manufactures Manufacturer Contact ON (800) ...
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Application Information important to have good thermal conduction with a proper layout to reduce thermal resistance. POWER EFFICIENCY An ideal power efficiency for a voltage doubler switched capacitor converter is given as the output voltage of the doubler over twice ...
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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 ...