KB4317 datasheet(4/9 Pages) KINGBOR

Part #	KB4317

Description	High Efficiency, Constant Current 2 Watt Boost White-LED Driver

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Manufacturer	KINGBOR [Kingbor Technology Co]

Direct Link	http://www.kingbor.com

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High Efficiency, Constant Current

4

KB4317

Kingbor Technology Co.,Ltd

TEL:(86)0755-26508846 FAX:(86)0755-26509052

TYPICAL PERFORMANCE CHARACTERISTICS

REV: 1.0

2 Watt Boost White-LED Driver

1. Driving Capability

Vin

ILED=12.5mA

ILED=20mA

2.4V

6 x 1LED

4 x 1LED

3.6V

3 x 9LED

3 x 6LED

5.0V

3 x 10LED

2.Efficiency

Figure 3. Efficiency vs Vin and ILED

Figure 4. Efficiency vs Temperature

3. Quiescent Current vs VIN and Temperature

Figure 5. Iq vs. Temperature

4.Switching Frequency vs Temperature

Figure 6. Fosc vs. Temperature

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