LP38691DTX-1.8 NSC [National Semiconductor], LP38691DTX-1.8 Datasheet
LP38691DTX-1.8
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LP38691DTX-1.8 Summary of contents
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LP38691/LP38693 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors General Description The LP38691/3 low dropout CMOS linear regulators provide tight output tolerance (2.0% typical), extremely low dropout @ voltage (250 mV 500mA load current, V excellent AC ...
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Connection Diagrams TO-252, Top View LP38691DT-X.X 20126505 6-Lead LLP, Bottom View LP38691SD-X.X Pin Description PIN V This is the input supply voltage to the regulator. For LLP devices, both V IN together for full current operation (250mA maximum per pin). ...
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... Ordering Information (Continued) Order Number Package Marking LP38693MP-2.5 LJXB LP38693MP-3.3 LJYB LP38693MP-5.0 LJZB LP38691SDX-1.8 L118B LP38691SDX-2.5 L119B LP38691SDX-3.3 L120B LP38691SDX-5.0 L121B LP38691DTX-1.8 LP38691DT-1.8 LP38691DTX-2.5 LP38691DT-2.5 LP38691DTX-3.3 LP38691DT-3.3 LP38691DTX-5.0 LP38691DT-5.0 LP38693SDX-1.8 L128B LP38693SDX-2.5 L129B LP38693SDX-3.3 L130B LP38693SDX-5.0 L131B LP38693MPX-1.8 LJVB LP38693MPX-2.5 LJXB LP38693MPX-3 ...
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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. Storage Temperature Range Lead Temp. (Soldering, 5 seconds) ESD Rating (Note 3) Power Dissipation (Note 2) V(max) All pins ...
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Electrical Characteristics over the full operating temperature range. Unless otherwise specified: V Min/Max limits are guaranteed through testing, statistical correlation, or design. (Continued) Symbol Parameter e Output Noise n V (LEAK) Output Leakage Current O V Enable Voltage (LP38693 Only) ...
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Block Diagrams www.national.com FIGURE 1. LP38691 Functional Diagram (LLP) FIGURE 2. LP38691 Functional Diagram (TO-252) 6 20126507 20126508 ...
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Block Diagrams (Continued) FIGURE 4. LP38693 Functional Diagram (SOT-223) FIGURE 3. LP38693 Functional Diagram (LLP) 7 20126509 20126510 www.national.com ...
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Typical Performance Characteristics enable pin is tied to V (LP38693 only Noise vs Frequency Noise vs Frequency Ripple Rejection www.national.com Unless otherwise specified 1.8V +1V 10mA. OUT IN OUT L 20126535 ...
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Typical Performance Characteristics enable pin is tied to V (LP38693 only Line Transient Response Line Transient Response Load Transient Response Unless otherwise specified 1.8V +1V 10mA. (Continued) OUT IN OUT L ...
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Typical Performance Characteristics enable pin is tied to V (LP38693 only Temperature (3.3V) OUT V vs Temperature (1.8V) OUT Load Regulation vs Temperature www.national.com Unless otherwise specified 1.8V +1V ...
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Typical Performance Characteristics enable pin is tied to V (LP38693 only MIN OUT Unless otherwise specified 1.8V +1V 10mA. (Continued) OUT IN OUT L 20126557 11 = ...
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Application Hints EXTERNAL CAPACITORS Like any low-dropout regulator, external capacitors are re- quired to assure stability. These capacitors must be correctly selected for proper performance. INPUT CAPACITOR: An input capacitor of at least 1µF is required (ceramic recommended). The capacitor ...
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Application Hints (Continued) OUTPUT NOISE Noise is specified in two ways: Spot Noise or Output Noise Density is the RMS sum of all noise sources, measured at the regulator output specific frequency (measured with a 1Hz bandwidth). This ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 6-lead, LLP Package NS Package Number SDE06A TO-252 Package NS Package Number TD03B 14 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry ...