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LM3532 Scheda tecnica(PDF) 2 Page - Texas Instruments |
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LM3532 Scheda tecnica(HTML) 2 Page - Texas Instruments |
2 / 47 page A1 A2 B1 B2 B3 Top View A3 C2 C1 C3 D2 D3 A4 B4 C4 D4 D1 LM3532 SNVS653D – JULY 2011 – REVISED JUNE 2013 www.ti.com Application Circuit Component List Current/Voltage Component Manufacturer's Part Number Value Size (mm) Rating (Resistance) White LED LM3532 1.745 mm x 1.845 mm x 0.6 mm Driver L COILCRAFT 10 µH 3.9 mm x 3.9 mm x 1.7 mm 1A (RDC = 0.2Ω) LPS4018-103ML COUT Murata 1µF 0805 50V GRM21BR71H105KA12L CIN Murata 2.2 µF 0603 10V GRM188R71A225KE15D Connection Diagram Figure 1. 16-Bump (1.745 mm × 1.845 mm × 0.6 mm) DSBGA Package YFQ0016 PIN DESCRIPTIONS Pin Name Description Output Voltage Sense Connection for Over Voltage Sensing. Connect OVP to the positive A1 OVP terminal of the output capacitor. Input Terminal to High Voltage Current Sink #3 (40V max). The boost converter regulates the A2 ILED3 minimum of ILED1, ILED2, or ILED3 to 0.4V. Input Terminal to High Voltage Current Sink #2 (40V max). The boost converter regulates the A3 ILED2 minimum of ILED1, ILED2, or ILED3 to 0.4V. Input Terminal to High Voltage Current Sink #1 (40V max). The boost converter regulates the A4 ILED1 minimum of ILED1, ILED2, or ILED3 to 0.4V. B1 ALS1 Ambient Light Sensor Input 1. B2 ALS2 Ambient Light Sensor Input 2. Active High Hardware Enable. Pull this pin high to enable the LM3532. HWEN is a high B3 HWEN impedance input. B4 IN Input Voltage Connection. Bypass IN to GND with a minimum 2.2 µF ceramic capacitor. C1 PWM2 External PWM Brightness Control Input 2. C2 PWM1 External PWM Brightness Control Input 1. Programmable Interrupt Pin. INT is an open drain output that pulls low when the ALS changes C3 INT zones. C4 GND Ground D1 SDA Serial Data Connection for I2C-Compatible Interface D2 SCL Serial Clock Connection for I2C-Compatible Interface D3 T0 Unused test input. This pin must be tied externally to GND for proper operation. D4 SW Drain Connection for boost converters internal NFET 2 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: LM3532 |
Codice articolo simile - LM3532_13 |
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Descrizione simile - LM3532_13 |
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