参数资料
型号: NCV3066DR2G
厂商: ON Semiconductor
文件页数: 2/20页
文件大小: 0K
描述: IC LED DRIVER HIGH BRIGHT 8-SOIC
标准包装: 2,500
恒定电流:
拓扑: PWM,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载
类型 - 次要: 高亮度 LED(HBLED)
频率: 100kHz ~ 250kHz
电源电压: 3 V ~ 40 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
NCP3066, NCV3066
SOIC ? 8/PDIP ? 8
DFN8
Switch Collector
1
8
ON/OFF
Switch Collector
ON/OFF
Switch Emitter
Timing Capacitor
2
3
7
6
I pk Sense
V CC
Switch Emitter
Timing Capacitor
EP Flag
I pk Sense
V CC
GND
4
(Top View)
5
Comparator
Inverting
Input
GND
(Top View)
Comparator
Inverting
Input
Figure 2. Pin Connections
NOTE:
EP Flag must be tied to GND Pin 4 on PCB
Figure 3. Pin Connections
ON/OFF
8
ON/OFF
TSD
1
Bias
R
S
Q
Switch Collector
I pk Sense
7
6
Comparator
?
+
0.2 V
S
R
Q
Oscillator
CT
2
3
Switch Emitter
Timing Capacitor
V CC
Comparator
5
+
?
0.235V
Reference
Regulator
4
GND
Comparator Inverting Input
Figure 4. Block Diagram
PIN DESCRIPTION
Pin No.
PDIP8
1
2
3
4
5
6
7
8
DFN8
1
2
3
4, EP Flag
5
6
7
8
Pin Name
Switch Collector
Switch Emitter
Timing Capacitor
GND
Comparator Inverting Input
V CC
I pk Sense
ON/OFF
Description
Internal Darlington switch collector.
Internal Darlington switch emitter.
Timing Capacitor to control the switching frequency.
Ground pin for all internal circuits.
Inverting input pin of internal comparator.
Voltage Supply
Peak Current Sense Input to monitor the voltage drop across an external
resistor to limit the peak current through the circuit.
ON/OFF Pin. To disable the device, this input should be pulled below
0.8 V. If the pin is left floating, it will be disabled.
http://onsemi.com
2
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