参数资料
型号: MAX829EUKG
厂商: ON Semiconductor
文件页数: 9/17页
文件大小: 0K
描述: IC REG SWITCHD CAP DBL INV 5TSOP
产品变化通告: Product Obsolescence 01/Jul/2009
标准包装: 1
类型: 切换式电容器(充电泵),倍增器,反相
输出类型: 可调式
输出数: 1
输出电压: -1.15 V ~ -5.5 V,2.3 V ~ 11 V
输入电压: 1.15 V ~ 5.5 V
频率 - 开关: 19kHz ~ 54kHz
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: 6-TSOP(0.059",1.50mm 宽)5 引线
供应商设备封装: 5-TSOP
MAX828, MAX829
?1.0
?2.0
?1.0
?2.0
?3.0
?4.0
?5.0
?6.0
?7.0
?8.0
?9.0
?10.0
A
B
?3.0
?4.0
?5.0
?6.0
?7.0
?8.0
?9.0
?10.0
C
D
0
10
20
30
40
0
10
20
30
40
I out , OUTPUT CURRENT (mA)
Figure 28. Cascade Load Regulation,
Output Voltage vs. Output Current MAX828
1
I out , OUTPUT CURRENT (mA)
Figure 29. Cascade Load Regulation,
Output Voltage vs. Output Current MAX829
5
Curve
V in (V)
R out ( W )
OSC
A
B
3.0
5.0
173
141
V in
+
2
+
+
+
+
?V out
C
D
3.0
5.0
179
147
3
4
MAX828: Capacitors = 10 m F
MAX829: Capacitors = 3.3 m F
Figure 30. Negative Output Voltage Doubler
A single device can be used to construct a negative voltage doubler. The output voltage is approximately equal to ?2V in minus
the forward voltage drop of each external diode. The performance characteristics for the above converter are shown below.
Note that curves A and C show the circuit performance with economical 1N4148 diodes, while curves B and D are with lower
loss MBRA120E Schottky diodes.
0.0
?2.0
A
?2.0
?4.0
A
?4.0
B
B
C
?6.0
C
?6.0
?8.0
?10.0
D
T A = 25 ° C
?8.0
?10.0
D
T A = 25 ° C
0
10
20
30
40
0
10
20
30
40
I out , OUTPUT CURRENT (mA)
Figure 31. Doubler Load Regulation,
Output Voltage vs. Output Current MAX828
http://onsemi.com
9
I out , OUTPUT CURRENT (mA)
Figure 32. Doubler Load Regulation,
Output Voltage vs. Output Current MAX829
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