Datasheet > BCR420UFD-7

BCR420UFD-7

更新时间： 2024-01-13 23:47:11

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BCR420UFD-7 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	HVSON,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	1.57	接口集成电路类型：	LED DISPLAY DRIVER
JESD-30 代码：	S-PDSO-N6	JESD-609代码：	e4
长度：	2 mm	复用显示功能：	NO
功能数量：	1	区段数：	2
端子数量：	6	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVSON	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
座面最大高度：	0.63 mm	表面贴装：	YES
端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)	端子形式：	NO LEAD
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	2 mm
Base Number Matches：	1

BCR420UFD / BCR421UFD

Application Information (Cont.)

PWM dimming can be achieved by driving the EN pin. Dimming is achieved by turning the LEDs ON and OFF for a portion of a single cycle. The

PWM signal can be provided by a micro-controller or analog circuitry; typical circuit is shown in Figure 3. Figure 4 is a typical response of LED

current vs. PWM duty cycle on the EN pin. PWM up to 25kHz with duty cycle of 0.5% (dimming range 200:1). This is above the audio band

minimizing audible power supply noise.

R_EXT

(Optional)

Figure 3 Application Circuits for LED Driver with PWM Dimming Functionality using BCR421U

Figure 4 Typical LED Current Response vs. PWM Duty Cycle for

25kHz PWM Frequency (Dimming Range 200:1)

10 of 13

www.diodes.com

January 2018

BCR420UFD / BCR421UFD

Document number: DS38588 Rev. 3 - 2

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