LP38853EVAL National Semiconductor, LP38853EVAL Datasheet
LP38853EVAL
Specifications of LP38853EVAL
Related parts for LP38853EVAL
LP38853EVAL Summary of contents
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... Soft-Start: Programmable Soft-Start time. Precision ADJ Voltage: ±1.5% for T ≤ ≤ 0°C T +125°C, across all line and load conditions J Typical Application Circuit © 2008 National Semiconductor Corporation Features ■ Adjustable V ■ Wide V ■ Stable with 10µF Ceramic capacitors BIAS ■ ...
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Ordering Information V Order Number OUT LP38853S-ADJ LP38853SX-ADJ ADJ LP38853T-ADJ LP38853MR-ADJ LP38853MRX-ADJ Connection Diagrams TO263-7, Top View PSOP-8, Top View Pin Descriptions TO220-7 TO263-7 PSOP-8 Pin # Pin # ...
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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 Temperature Soldering, 5 seconds ESD Rating Human Body Model (Note 2) Power Dissipation (Note 3) V Supply Voltage (Survival Supply Voltage (Survival) ...
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Symbol Parameter Soft-Start r Soft-Start internal resistance SS Soft-Start time × r × Enable I ENABLE pin Current EN V Enable Voltage Threshold EN(ON) V Enable Voltage Hysteresis EN(HYS) t Turn-OFF ...
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Typical Performance Characteristics specified 25° 1.40 kΩ 1.00 kΩ Ceramic µF Ceramic, C OUT BIAS V Ground Pin Current (I BIAS GND(BIAS) V Ground Pin Current vs Temperature IN ...
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V vs Temperature OUT UVLO Thresholds vs Temperature OUT SS www.national.com 20131067 Soft-Start r SS 20131068 Enable Thresholds (V 20131076 OUT IN 20131072 Variation vs Temperature 20131075 ...
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Enable Pull-Down Current ( Temperature EN V Line Transient Response IN V Line Transient Response BIAS Enable Pull-Up Resistor (r 20131089 V Line Transient Response IN 20131077 V Line Transient Response BIAS 20131079 Temperature EN ...
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Load Transient Response, C Load Transient Response, C Load Transient Response, C www.national.com = 10 µF Ceramic Load Transient Response, C OUT 20131081 = 100 µF Ceramic Load Transient Response, C OUT 20131083 = 100 µF Tantalum Load Transient Response, ...
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V PSRR BIAS 20131070 Output Noise 20131069 9 V PSRR IN 20131071 www.national.com ...
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Block Diagram www.national.com 10 20131005 ...
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Application Information EXTERNAL CAPACITORS To assure regulator stability, input and output capacitors are required as shown in the Typical Application Circuit. Output Capacitor A minimum output capacitance of 10 µF, ceramic, is required for stability. The amount of output capacitance ...
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TABLE OUT 0.8V 1.07 kΩ 1.78 kΩ 0.9V 1.50 kΩ 1.87 kΩ 1.0V 1.00 kΩ 1.00 kΩ 1.1V 1.65 kΩ 1.37 kΩ 1.2V 1.40 kΩ 1.00 kΩ 715 Ω 1.3V 1.15 kΩ 590 Ω 1.4V 1.07 ...
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Typical C values will be in the range 100 nF, SS providing typical Soft-Start ...
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For this equation, θ is about 3°C/W for a TO-220 package. JC The value for θ depends on method of attachment, insula- CH tor, etc. θ varies between 1.5°C/W to 2.5°C/W. Consult the CH heat-sink manufacturer datasheet for details and ...
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Physical Dimensions inches (millimeters) unless otherwise noted TO-220 7-Lead, Stagger Bend Package (TO220-7) TO-263 7-Lead, Molded, Surface Mount Package (TO263-7) NS Package Number TA07B NS Package Number TS7B 15 www.national.com ...
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PSOP, 8 Lead, Molded, 0.050in Pitch NS Package Number MRA08B 16 ...
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Notes 17 www.national.com ...
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