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| 型号： | MAX829EUK |
| 厂商： | ON Semiconductor |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHD CAP DBL INV 5TSOP |
| 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），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： | 无 |
| 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 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 5-TSOP |
| 其它名称： | MAX829EUKOS |
MAX828, MAX829
Curve
A
B
C
D
V in (V)
5.0
3.0
5.0
3.0
R out ( W )
13.3
17.3
14.4
17.3
Q 2
C 1
1
OSC
5
Q 1
+
+
C 2
?V out
V in
+
2
C 3
3
4
C 1 = C 2 = 470 m F
C 3 = 220 m F
Q 1 = PZT751
Q 2 = PZT651
?V out = V in ?V BE(Q1) ? V BE(Q2) ?2 V F
Figure 45. External Switch for Increased Negative Output Current
The output current capability of the MAX828 and MAX829 can be extended beyond 600 mA with the addition of two
external switch transistors and two Schottky diodes. The output voltage is approximately equal to ?V in minus the sum of the
base emitter drops of both transistors and the forward voltage of both diodes. The performance characteristics for the converter
are shown below. Note that the output resistance is reduced to 0.9 and 1.0 ohms for the 828 and 829 respectively.
?2.2
?2.4
?2.0
?2.2
?2.4
?2.6
?2.6
?2.8
?2.8
?3.0
V in = 5.0 V
R out = 0.9 W
T A = 25 ° C
?3.0
V in = 5.0 V
R out = 1.0 W
T A = 25 ° C
?3.2
0
0.1
0.2
0.3
0.4
0.5
0.6
?3.2
0
0.1
0.2
0.3
0.4
0.5
0.6
I out , OUTPUT CURRENT (A)
Figure 46. Current Boosted Load Regulation,
Output Voltage vs. Output Current MAX828
http://onsemi.com
14
I out , OUTPUT CURRENT (A)
Figure 47. Current Boosted Load Regulation,
Output Voltage vs. Output Current MAX829
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX829EUK+ | 制造商:Maxim Integrated Products 功能描述:CHG PUMP INV -5.5V TO -1.5V 25MA 5PIN SOT-23 - Rail/Tube |
| MAX829EUK+T | 功能描述:电荷泵 Switched-Capacitor Voltage Inverter 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 |
| MAX829EUKG | 功能描述:电荷泵 Switched Cap Voltage Inverter 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 |
| MAX829EUK-T | 功能描述:电荷泵 Switched-Capacitor Voltage Inverter 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 |
| MAX829EUK-TG05 | 功能描述:电荷泵 Switched-Capacitor Voltage Inverter 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 |
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