参数资料
型号: SP6644EU-L/TR
厂商: Exar Corporation
文件页数: 5/15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:
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.
5.08
5.07
5.06
5.05
5.08
5.07
5.06
5.05
5.04
5.03
5.02
5.01
5.00
Vb=1.3V
Vb=2.6V
5.04
5.03
5.02
5.01
Vb=1.3V
Vb=2.6V
0
10 20
30
40
50
60
70
80 90 100
5.00
0
10
20
30
40
50
Iload (mA)
Figure 9. Line/Load vs. Output Current (Vout=5V),
Rlim=2.5k, Li=22uH Sumida CD43, Refer to figure 29,
R1=499k, R2=169k
240
220
200
180
Iload (mA)
Figure 10. Line/Load vs. Output Current (Vout=5V),
Rlim=5k, Li=22uH Sumida CD43, Refer to figure 29,
R1=499k, R2=169k
240
220
200
180
160
140
120
100
80
Rlim=2.5K
Rlim=5K
160
140
120
100
80
Rlim=2.5K
Rlim=5K
60
40
20
0
0.0
1.0
2.0
3.0
4.0
60
40
20
0
0.0
1.0
2.0
3.0
4.0
Vbatt (V)
Figure 11. Maximum Load Current vs. Vbatt
(Vout=3.3V), Li=22uH Sumida CD43
10000
Vbatt (V)
Figure 12. Maximum Load Current vs. Vbatt (Vout=5V),
Li=22uH Sumida CD43, Refer to Figure 29,
R1=499k, R2=169k
3.33
3.32
1000
Rlim=2.5k
3.31
100
10
Rlim=5k
3.30
3.29
3.28
3.27
0.0
1.0
2.0
3.0
4.0
-40
-20
0
20
40
60
80
100
Vbatt (V)
Figure 13. No Load Battery Current vs. Vbatt
(Vout=3.3V), Li=22uH Sumida CD43
60
55
50
45
40
35
30
Temperature (degC)
Figure 14. Output Voltage vs. Temperature,
Rlim=2.5k, Rload=3k, (Vout=3.3V),Li=22uH Sumida CD43
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Temperature (degC)
Figure 15. Io Pin Quiescent Current vs. Temperature,
(Vout=3.3V)
Temperature (degC)
Figure 16. Ibatt Pin Quiescent Current vs. Temperature,
(Vout=3.3V), Vbatt=1.0V
Date: 11/30/04
SP6644/6645 High Efficiency Boost Regulator
5
? Copyright 2004 Sipex Corporation
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