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LM3553 データシート(PDF) 2 Page - Texas Instruments |
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LM3553 データシート(HTML) 2 Page - Texas Instruments |
2 / 26 page Bottom View 12 Pin 3mm x 3mm WSON Package DQB0012A Die-Attach Pad (DAP) GND 2 3 4 5 1 6 11 10 9 8 12 7 Die-Attach Pad (DAP) GND 2 3 4 5 1 6 11 10 9 8 12 7 Top View LM3553 SNVS414B – FEBRUARY 2008 – REVISED MAY 2013 www.ti.com Connection Diagram PIN DESCRIPTIONS Pin Name Function 4 VIN Input Voltage. Input range: 2.7V to 5.5V. 5 SW Switch Pin 6 OVP Over Voltage Protection Pin 2, 11 D1, D2 Regulated current sink inputs DAP GND Ground 1 ISET Current sense input. Connect a 1% 16.5k Ω resistor to ground to set the full scale LED current. 3 FEN Flash enable pin. 8 SCL Serial clock pin. 10 SDA Serial data I/O pin. 9 VIO Digital Reference Voltage level input pin. 7 TX RF PA synchronization control pin. High = Forced Torch mode. 12 M/F Hardware RESET or General purpose I/O. Function set through Multi-Function Control Register These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) (2) (3) VIN pin: Voltage to GND -0.3V to 6V SW, OVP pin: Voltage to GND -0.3V to 25V D1, D2 pins: Voltage to GND -0.3V to 25V VIO, SCL, SDA -0.3V to 6V TX, FEN, M/F -0.3V to 6V Continuous Power Dissipation (4) Internally Limited Junction Temperature (TJ-MAX ) 150°C Storage Temperature Range -65°C to +150 Maximum Lead Temperature (Soldering) (5) ESD Rating(6) Human Body Model 2.5kV (1) Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under which operation of the device is specified. Operating Ratings do not imply performance limits. For performance limits and associated test conditions, see the Electrical Characteristics tables. (2) All voltages are with respect to the potential at the GND pin. (3) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (4) Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ=140ºC (typ.) and disengages at TJ=120ºC (typ.). (5) For detailed soldering specifications and information, please refer to Texas Instruments Application Note: AN-1187 SNOA401 for Recommended Soldering Profiles. (6) The human body model is a 100pF capacitor discharged through a 1.5k Ω resistor into each pin. (MIL-STD-883 3015.7) 2 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: LM3553 |
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