参数资料
型号: MAX829EUKG
厂商: ON Semiconductor
文件页数: 12/17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
MAX828
MAX829
Curve
A
B
C
D
V in (V)
3.0
3.0
5.0
5.0
Diodes
1N4148
MBRA120E
1N4148
MBRA120E
R out ( W )
32.5
27.1
26.0
21.2
R out ( W )
32.2
25.7
25.1
19.0
1
OSC
5
+
+
V in
+
2
+
+
V out
3
4
MAX828: Capacitors = 10 m F
MAX829: Capacitors = 3.3 m F
Figure 39. Positive Output Voltage Tripler
A single device can be used to construct a positive voltage tripler. The output voltage is approximately equal to 3V 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.
14.0
12.0
10.0
8.0
6.0
4.0
B
D
C
14.0
12.0
10.0
8.0
6.0
4.0
B
D
C
2.0
T A = 25 ° C
A
2.0
T A = 25 ° C
A
0
10
20
30
40
0
10
20
30
40
I out , OUTPUT CURRENT (mA)
Figure 40. Tripler Load Regulation,
Output Voltage vs. Output Current MAX828
http://onsemi.com
12
I out , OUTPUT CURRENT (mA)
Figure 41. Tripler Load Regulation,
Output Voltage vs. Output Current MAX829
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