LP5521TM NSC [National Semiconductor], LP5521TM Datasheet
LP5521TM
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LP5521TM Summary of contents
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LP5521 Programmable Three Channel LED Driver General Description The LP5521 is a three channel LED driver designed to pro- duce variety of lighting effects for mobile devices. High effi- ciency charge pump enables LED driving over full Li-Ion battery voltage ...
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Connection Diagrams and Package Mark Information Thin microSMD-20 Package (2.1 x 1.7 x 0.6 mm, 0.4 mm pitch) Top View Package Mark www.national.com NS Package Number TMD20ECA 20186271 Package Mark - Top View 2 20186272 Bottom View 20186296 ...
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... Connection Diagrams and Package Mark Information Bumped LLP-24 Package ( 0.8 mm, 0.5 mm pitch) Bottom View Ordering Information Order Number Package LP5521TM µSMD LP5521TM X µSMD LP5521YQ bumped LLP LP5521YQ X bumped LLP NS Package Number YQA24A 20186202 Package Mark - Top View U = Fab Z = Assembly Digit Date Code ...
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... Pin Descriptions LP5521TM Pin # Name SCL 1E SDA 2A VOUT 2B ADDR_SEL1 2C ADDR_SEL0 2D GPO CFLY2N 3B CFLY1N 3C GND 3D CLK_32K 3E INT 4A CFLY2P 4B CFLY1P 4C VDD 4D GND 4E TRIG A: Analog Pin, G: Ground Pin, P: Power Pin, I: Input Pin, I/O: Input/Output Pin, O: Output Pin, OD: Open Drain Pin www.national.com ...
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Pin Descriptions LP5521YQ Pin # Name Type 1 CFLY2P 2 CFLY1P 3 VDD 4 GND 5 CLK_32K 6 INT OD/O 7 TRIG I/OD 8 N/C 9 N/C 10 N/C 11 N/C 12 N/C 13 SDA I/ SCL ...
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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. V OUT Voltage on Logic Pins Continuous Power Dissipation (Note 3) Junction ...
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LED Driver Electrical Characteristics ( Outputs) Symbol Parameter pin leakage current LEAKAGE I Maximum Source Current MAX I Accuracy of output current OUT I Matching (Note 11) MATCH f LED PWM switching frequency LED ...
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Timing Parameters (SDA, SCL) Symbol f Clock Frequency SCL 1 Hold Time (repeated) START Condition 2 Clock Low Time 3 Clock High Time 4 Setup Time for a Repeated START Condition 5 Data Hold Time 6 Data ...
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Typical Performance Characteristics Unless otherwise specified 3.6V DD LED Drive Efficiency vs. Input Voltage Automatic Gain Change LED Current vs. Current Register Code Charge Pump Efficiency vs. Load Current LED Current vs. Output Pin Headroom Voltage 20186221 LED ...
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Charge Pump Output Voltage vs. Load Current Charge Pump Automatic Gain Change Hysteresis Charge Pump Load Transient Response in 1.5x Mode (0 to 25.5 mA) www.national.com Charge Pump Output Voltage vs. Input Voltage Automatic Gain Change from 1x to 1.5x ...
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Charge Pump Automatic Gain Change (LED V For full LP5521 datasheet please contact nearest National Semiconductor sales office. = 3.6V) Standby Current vs. Input Voltage F 20186216 11 20186217 www.national.com ...
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Physical Dimensions The dimension for X1 ,X2 and X3 are as given: X1=1.717 mm ± 0.03 mm X2=2.066 mm ± 0.03 mm X3=0.600 mm ± 0.075 mm www.national.com inches (millimeters) unless otherwise noted TMD20ECA: Thin microSMD-20, Small Bump YQA24A: Bumped ...
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Notes 13 www.national.com ...
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THE CONTENTS OF THIS DOCUMENT ARE PROVIDED IN CONNECTION WITH NATIONAL SEMICONDUCTOR CORPORATION (“NATIONAL”) PRODUCTS. NATIONAL MAKES NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE ACCURACY OR COMPLETENESS OF THE CONTENTS OF THIS PUBLICATION AND RESERVES THE RIGHT TO MAKE ...