参数资料
型号: FAN5903UCX
厂商: Fairchild Semiconductor
文件页数: 7/19页
文件大小: 0K
描述: IC CONV BUCK W/BYPASS 9-WLCSP
标准包装: 3,000
应用: 转换器,3G RF 功率放大器
输入电压: 2.7 V ~ 5.5 V
输出数: 1
输出电压: 0.4 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 9-UFBGA,WLCSP
供应商设备封装: *
包装: 带卷 (TR)
Typical Characteristics
Unless otherwise noted, V IN = EN = 3.7 V, L1 = 1.0 μH, C LOAD = 4.7 μF, and T A = +25°C.
100%
90%
80%
70%
100%
90%
80%
70%
60%
50%
40%
VIN = 2.7V
VIN = 3.7V
VIN = 4.2V
VIN = 5.5V
60%
50%
40%
VIN = 2.7V
VIN = 3.7V
VIN = 4.2V
VIN = 5.5V
0
100
200
300
400
500
0
100
200
300
400
Output Current (mA)
Figure 5. Efficiency vs. Output Current vs. Input
Voltage, f SW = 6 MHz, R PA = 7 ?
100%
90%
80%
70%
Output Current (mA)
Figure 6. Efficiency vs. Output Current vs. Input
Voltage, f SW = 6 MHz, R PA = 10 ?
100%
90%
80%
70%
60%
50%
40%
VIN = 2.7V
VIN = 3.7V
VIN = 4.2V
VIN = 5.5V
60%
50%
40%
VIN = 2.7V
VIN = 3.7V
VIN = 4.2V
VIN = 5.5V
0
1
2
3
4
0
1
2
3
4
Output Voltage (V)
Figure 7. Efficiency vs. Output Voltage vs. Input
Voltage, f SW = 6 MHz, R PA = 7 ?
100%
90%
80%
70%
Output Voltage (V)
Figure 8. Efficiency vs. Output Voltage vs. Input
Voltage, f SW = 6 MHz, R PA = 10 ?
100%
90%
80%
70%
60%
50%
40%
VIN = 2.7V
VIN = 3.7V
VIN = 4.2V
VIN = 5.5V
60%
50%
40%
VIN = 2.7V
VIN = 3.7V
VIN = 4.2V
VIN = 5.5V
0
100
200
300
400
500
0
100
200
300
400
Output Current (mA)
Figure 9. Efficiency vs. Output Current vs. Input
Voltage, f SW = 3 MHz, R PA = 7 ?
? 2008 Fairchild Semiconductor Corporation
FAN5903 ? Rev. 1.0.9
7
Output Current (mA)
Figure 10. Efficiency vs. Output Current vs. Input
Voltage, f SW = 3 MHz, R PA = 10 ?
www.fairchildsemi.com
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