Datenblatt-Suchmaschine für elektronische Bauteile |
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LB2016B4R7 Datenblatt(PDF) 2 Page - ON Semiconductor |
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LB2016B4R7 Datenblatt(HTML) 2 Page - ON Semiconductor |
2 / 11 page CAT32 http://onsemi.com 2 Typical Application Circuit Figure 1. Li−Ion Driver for Four High−Brightness White LEDs 15 mA 4 1.50 kW TSOT−23 Pin Numbers 6.8 mH 2 3 1 6 5 SW VIN RSET D1 C2 1 mF C1 4.7 mF VIN 2.7 V to 4.2 V PWM DIMMING CONTROL CAT32 LED GND L1 SHDN C1: Taiyo Yuden JMK212BJ475 C2: Taiyo Yuden EMK212BJ105 D1: Zetez ZHCS400 L1: Sumida CLQ4D106R8 (Panasonic ELJEA6R8) RSET Table 1. PIN DESCRIPTION Pin Number SOT23 Pin Number TDFN Name Function 1 8 SW Switch pin. This is the drain of the internal power switch. For minimum EMI, min- imize the trace area connected to this pin. 2 5 GND Ground pin. Connect pin 2 to ground. 3 6 LED LED (cathode) connection pin. 4 4 RSET RESET pin. A resistor connected from pin 4 to ground sets the LED current. This pin is also used to dim the LEDs. 5 3 SHDN Shutdown pin. 6 2 VIN Input supply pin. This pin should be bypassed with a capacitor to ground. A 4.7 mF capacitor mounted close to the pin is recommended. − 1 Power Ground Power Ground |
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Ähnliche Beschreibung - LB2016B4R7 |
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