参数资料
型号: TC4627MJA
厂商: Microchip Technology
文件页数: 6/14页
文件大小: 0K
描述: IC CMOS DRVR W/BOOST 1.5A 8-CDIP
标准包装: 56
配置: 高端或低端
输入类型: 非反相
延迟时间: 35ns
电流 - 峰: 1.5A
配置数: 1
输出数: 1
电源电压: 4 V ~ 6 V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 8-CDIP(0.300",7.62mm)
供应商设备封装: 8-CERDIP
包装: 管件
TC4626/TC4627
3.1
BOOSTER FUNCTION
C1 potential to V DD input to charge C2 to 2 x V DD . S3a
The voltage booster is an unregulated voltage tripler
circuit. The tripler consists of three sets of internal
switches and three external capacitors. S1a and S1b
charge capacitor C1 to V DD potential. S2a and S2b add
and S3b add C1 potential to C2 to charge C3 to 3 x
V DD . The position of the switches is controlled by the
internal 4 phase clock.
FIGURE 3-3:
VOLTAGE BOOSTER
+
6
3 x V DD , V BOOST
6
C3
S3a
3
2 x V DD
C2
+
(4 to 6V)
V DD
8
S1a
S2a
S2b
S3b
2
+
C1
1
S1b
GND
4
FIGURE 3-4:
POSITION OF SWITCHES
Pin 1 & 2 Waveforms
3 x V DD
Pin 2
Voltage
2 x V DD
V DD
2 x V DD
Pin 1
Voltage
V DD
0
On
S1
Off
DS21426B-page 6
S2
S3
On
Off
On
Off
2002 Microchip Technology Inc.
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