参数资料
型号: MAX1720EUT
厂商: ON Semiconductor
文件页数: 16/18页
文件大小: 0K
描述: IC REG SWITCHD CAP INV ADJ 6TSOP
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 3,000
类型: 切换式电容器(充电泵),反相
输出类型: 可调式
输出数: 1
输出电压: -1.5 V ~ -5.5 V,3 V ~ 11 V
输入电压: 1.5 V ~ 5.5 V
频率 - 开关: 12kHz
电流 - 输出: 50mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SC-74,SOT-457
包装: 带卷 (TR)
供应商设备封装: 6-TSOP
其它名称: MAX1720EUTOS
MAX1720
V in = ?5.0 V
1
6
+
C
+
C
OSC
C
+
2
5
3
4
+
C
V out = ?2.5 V
Capacitors = 10 m F
Figure 47. Negative Input Voltage Splitter
A single device can be used to split a negative input voltage. The output voltage is approximately equal to ?V in /2. The
performance characteristics are shown below. Note that the converter has an output resistance of 10 W .
?1.5
?1.7
?1.9
?2.1
?2.3
?2.5
T A = 25 ° C
R out = 10 W
0
10
20
30
40
50
60
70
80
I out , OUTPUT CURRENT (mA)
Figure 48. Negative Voltage Splitter Load Regulation, Output Voltage vs. Output Current
?V out
R 1
+
1
OSC
6
R 2
V in
+
2
3
5
4
+
10 k
+
+
+V out
Capacitors = 10 m F
Figure 49. Combination of a Closed Loop Negative Inverter with a Positive Output Voltage Doubler
http://onsemi.com
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MAX1720EUT+ 制造商:Maxim Integrated Products 功能描述:CHG PUMP INV -1.25V TO -5.5V 25MA 6PIN SOT-23 - Rail/Tube
MAX1720EUT+T 功能描述:电荷泵 Switched-Cap Voltage Inverter w/Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
MAX1720EUTG 功能描述:电荷泵 Switched Cap Voltage Inverter w/Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
MAX1720EUT-T 功能描述:电荷泵 Switched-Cap Voltage Inverter w/Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube
MAX1721EUT 制造商:Maxim Integrated Products 功能描述:VOLTAGE INVERTER - Rail/Tube