参数资料
型号: NCP3066SCBCKGEVB
厂商: ON Semiconductor
文件页数: 2/20页
文件大小: 0K
描述: EVAL BOARD FOR NCP3066SCBCKG
设计资源: NCP3066 Buck SOIC EVB BOM
NCP3066SCBCKGEVB Gerber Files
NCP3066 BUCK EVB Schematic
标准包装: 1
电流 - 输出 / 通道: 150mA
输出及类型: 1,非隔离
输出电压: 3.2V
特点: 亮度控制
输入电压: 12V
已供物品:
已用 IC / 零件: NCP3066
其它名称: NCP3066SCBCKGEVBOS
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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