lm8850urx National Semiconductor Corporation, lm8850urx Datasheet
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lm8850urx
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lm8850urx Summary of contents
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... LM8850 is available in a 9-bump ultra-thin micro SMD pack- age. Only four external surface-mount components, a 1.0 µH inductor, a 4.7 µF for input capacitor, 4.7 µF for output ca- pacitor and 0.05F-1.0F supercapacitor for energy storage are required. Typical Application Circuit © 2010 National Semiconductor Corporation LM8850 Features ■ 6µA typ. quiescent current ■ ...
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Connection Diagram and Package Mark Information Note: The package marking “X” denotes the date code, “V” National Semiconductor internal code of die traceability. Pin Descriptions Pin # Name A1 VIN GND B1 SDA B2 PG ...
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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. VIN Pin to GND EN, PG, SDA, SCLK pins to GND VOUT to GND SW pin to GND BAL ...
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Symbol Parameter T Turn on Time ON I Pin Input current EN F Internal Oscillator OSC Frequency V Logic High Input IH V Logic Low Input IL V Logic Output High OH V Logic Output Low OL Note 1: Absolute ...
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Block Diagram 5 30113226 www.national.com ...
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Typical Performance Characteristics = TDK EDLC272020–501–2F-50). I Shutdown q 1,000 800 600 -40°C 400 25°C 85°C 200 0 -200 2.0 2.5 3.0 3.5 4.0 4.5 5 PWM q 420 400 380 360 -40°C 340 ...
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Line Regulation OUT V = 3.6V, 100 mV Ripple, Auto Mode IN Line Regulation, V 5V, OUT 250 mA Load, 100 mV Ripple, Auto Mode Startup V 2.7V, V 5.3V, IN OUT 5sec Delay, Room Temp Load Regulation, ...
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Input Current and V , 1.5A Current Limit OUT Line Transient V 2.7V - 3.6V LOAD Load Transient V = 2.7V, V 5.0V OUT www.national.com Input Current and V 30113203 = 600 mA 30113205 0-1000 mA ...
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Load Transient V = 3.6V, V 5.0V, I 200-800 mA IN OUT LOAD Load Transient V = 4.2V, V 5.0V, I 0-200 mA IN OUT LOAD Load Transient V = 3.6V, V 5.0V OUT 30113221 Load Transient V ...
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Operation Description LM8850 FUNCTIONALITY The LM8850, a high-efficiency, step-up DC-DC switching boost converter, delivers a constant voltage from a stable DC input voltage source. Using a voltage mode architecture with synchronous rectification, the LM8850 has the ability to de- liver ...
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START AND STOP CONDITIONS START and STOP bits classify the beginning and the end of the session. START condition is defined as SDA signal transitioning from HIGH to LOW while SCL line is HIGH. ...
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When a READ function accomplished, a WRITE func- tion must precede the READ function as shown in the Read Cycle waveform. HIGH-SPEED, 3.4 MHZ MODE High-speed mode is entered by: 1. Start condition; 2. Chip Address: 0000 ...
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13 30113212 www.national.com ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order National Semiconductor LM8850URE/LM8850URX 9-bump ultra-thin micro SMD, 0.5 mm pitch NS Package Number URA09EGA X1 = 1.58 mm ± 0.030 1.62 mm ± 0.030 0.35 mm ± 0.075 mm 15 www.national.com ...
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... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...