参数资料
型号: NCL30100ADLMGEVB
厂商: ON Semiconductor
文件页数: 19/27页
文件大小: 0K
描述: BOARD DEMO MR16 FORMFACTOR
设计资源: NCL30100ADLMGEVB Schematic
NCL30100ADLMGEVB Gerber Files
NCL30100ADLMGEVB Bill of Materials
标准包装: 1
输出及类型: 1,非隔离
输入电压: 12V
已供物品:
已用 IC / 零件: NCL30100
其它名称: NCL30100ADLMGEVBOS
NCL30100
Figure 38. ILED and Vin Waveform if No Dimming is Used
84
83
82
81
80
79
DC Voltage Efficiency
(No Bridge Rectifier)
690
680
670
660
650
640
78
630
LED Current Variation
77
7
8
9
10 11 12 13
INPUT VOLTAGE (V)
14
15
16
620
7
8
9
10 11 12 13
INPUT VOLTAGE (V)
14
15
16
Figure 39. Efficiency Measurement for the
Demoboard (V f = 3.2 Nominal)
Figure 39 represents the efficiency of the converter
driving a single LED at a nominal current of 690 mA. The
addition of the AC bridge rectifier contributes addition
losses into the circuit and it is recommended to us low
forward voltage schottky rectifiers to minimize power
dissipation in the AC rectification stage.
Figure 40. I LED Current Dependence on Input
DC Voltage (No Bridge Rectifier is Used)
MR 16 Evaluation Board Information
A specific two sided demo board was designed to fit with
the MR 16 form factor. The schematic is almost the same for
both, but the PWM dimming control circuitry has been
removed. If the same components are used, the operation
frequency will be slightly higher due to the lower pin
capacitance because the dimming transistor contribution is
removed.
http://onsemi.com
19
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