参数资料
型号: SP6644EU-L
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: 50
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:
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: 管件
供应商设备封装: 8-MSOP
其它名称: 1016-1213-5
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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