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SM8140A 参数 Datasheet PDF下载

SM8140A图片预览
型号: SM8140A
PDF下载: 下载PDF文件 查看货源
内容描述: EL驱动IC [EL Driver IC]
分类和应用: 驱动
文件页数/大小: 6 页 / 69 K
品牌: NPC [ NIPPON PRECISION CIRCUITS INC ]
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SM8140A  
BLOCK DIAGRAM  
High Voltage  
Switching Circuit  
ENA  
Enable Circuit  
Charge Pump  
Circuit  
CPO  
CP1  
CP2  
Level Shifter  
Divider  
Divider  
Oscillation Circuit  
for Voltage Booster  
Oscillasion Circuit  
for output  
PIN DESCRIPTION  
SSOP  
1
chip  
11  
12  
13  
14  
4
Pin Name  
CHV  
i / o  
i
Function  
DC high voltage pin  
MONG  
LDR  
o
o
o
i
Monitor gate  
2
Step up inductor driver output  
3
VSS1  
VSS2  
OCL2  
OCL1  
OCE2  
OCE1  
ENA  
GND  
GND  
4
15  
16  
1
CR oscillator pin for step up inductor and charge pump.  
External resistor at this pin determines oscillator frequency.  
5
6
i
CR oscillator pin for output  
7
2
o
External resistor at this pin determines oscillator frequency  
Output control pin. Output from OUT1 and OUT2 pins are stopped When "L".  
Power supply pin  
1
8
3
ip  
9
5
VDD  
o
o
o
o
o
10  
11  
12  
13  
14  
6
CPO  
Charge pump output (Voltage output for driving high voltage MOS)  
Charge pump external capacitor pin  
Charge pump external capacitor pin  
Output for EL  
7
CP1  
8
CP2  
9
OUT2  
OUT1  
10  
Output for EL  
1. "ip" defines input pin with pull down internal resistor  
NIPPON PRECISION CIRCUITS—3