参数资料
| 型号： | SP6644EU-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 6/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC 3.3V/ADJ 8MSOP |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 3.3V，2 V ~ 5.5 V |
| 输入电压： | 0.9 V ~ 3.3 V |
| 电流 - 输出： | 175mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-MSOP |
PERFORMANCE CHARACTERISTICS
Refer to the circuit in Figure 28, T AMB = +25 o C unless otherwise noted.
100
90
3.037
80
Vb=1.0V
3.036
70
60
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
3.035
3.034
Vb=1.3V
Vb=2.6V
50
3.033
40
30
0.1
1.0
10.0
100.0
1000.0
3.032
0
20 40
60 80 100 120 140 160 180 200
Iload (mA)
Figure 17. SP6644/6201 DC/DC LDO Combination
Efficiency vs. Output Current (Vout=3.3V), Rlim=2.5k,
Li=22 μ H Sumida CD-43, Refer to Figure 30
240
220
200
180
160
140
120
100
80
60
40
20
0
Iload (mA)
Figure 18. SP6644/6201 LDO Line/Load Rejection vs.
Output Current (Vout=3.3V), Rlim=2.5k, Li=22 μ H
Sumida CD-43, Refer to Figure 30
10000
1000
100
0.0
1.0
2.0
3.0
4.0
10
Vbatt (V)
0.0
0.5
1.0
1.5 2.0
Vbatt (V)
2.5
3.0
3.5
Figure 19. SP6644/6201 DC/DC LDO Maximum Load
Current vs. Vbatt (Vout=3.3V), Rlim=2.5k, Li=22 μ H
Sumida CD-43, Refer to Figure 30
SP6201 Out
10mV/div
Figure 20. SP6644/6201 DC/DC LDO No-Load Ibatt vs.
Vbatt (Vout=3.3V), Rlim=2.5k, Li=22 μ H Sumida CD-
43, Refer to Figure 30
Li
0.5A/div
V OUT
50mV/div
SP6644 Out
20mV/div
V BATT
50mV/div
Figure 21. SP6644/6201 DC/DC LDO Output Ripple
Voltage (Vout=3.3V), Rlim=2.5k, Li=22 μ H Sumida CD-
43, Refer to Figure 30
V OUT
50mV/div
V BATT
1V/div
Figure 23. Line Transient Response, (Vout=3.3V),
Rlim=2.5k, Iload=22 μ H Sumida CD-43
Figure 22. Load Transient Response, Vbatt=1.3V,
(Vout=3.3V), Rlim=2.5k, Li=22 μ H Sumida CD-43
Li
0.2A/div
V OUT , V LX ,V BATT
1V/div
Figure 24. Switching Waveforms, (Vout=3.3V),
Vbatt=1.3V, Rlim=2.5k, Iload=10mA, Li=22 μ H Sumida
CD-43
Date: 11/30/04
SP6644/6645 High Efficiency Boost Regulator
6
? Copyright 2004 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP6644TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator |
| SP6644UEB | 功能描述:电源管理IC开发工具 Hi-Efficiency Boost DC/DC Regulator RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| SP6645 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP6645EU | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Single/Dual Alkaline Cell, High Efficiency Step-Up DC-DC Converter |
| SP6645EU-L | 功能描述:开关变换器、稳压器与控制器 Sngl/Dual Alkaline Cell High Eff DC-DC RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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