参数资料
型号: FAN5361UC123X
厂商: Fairchild Semiconductor
文件页数: 6/18页
文件大小: 0K
描述: IC REG BUCK SYNC 1.233V 6WLCSP
标准包装: 1
系列: TinyBuck™
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.233V
输入电压: 2.3 V ~ 5.5 V
频率 - 开关: 6MHz
电流 - 输出: 600mA
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: 6-UFBGA,WLCSP
包装: 标准包装
供应商设备封装: 6-WLCSP
产品目录页面: 1215 (CN2011-ZH PDF)
其它名称: FAN5361UC123XDKR
Typical Performance Characteristics (Continued)
Unless otherwise noted, V IN = V EN = 3.6V, V MODE = 0V (AUTO Mode), V OUT = 1.82V, T A = 25°C.
1.830
45
1.825
1.820
1.815
1.810
1.805
Auto PWM/PFM
Forced PWM
40
35
30
25
20
15
10
5
0
3.6VIN
5.5VIN
2.5VIN
1
10
100
1,000
0
100
200
300
400
500
600
I LOAD Output Current (mA)
Figure 11. Load Regulation, Auto PFM / PWM and
Forced PWM
Load Current (mA)
Figure 12. 1.82V OUT Peak-to-Peak Output Voltage Ripple
30
7
FPWM Mode
25
20
15
3.6VIN
5.5VIN
2.5VIN
6
5
4
10
5
0
3
2
1
VIN>2.9V
VIN=2.7V
VIN=2.5V
VIN=2.3V
0
100
200
300
400
500
600
0
0.1
0.2
0.3
0.4
0.5
0.6
Load Current (mA)
Figure 13. 1.233V OUT Peak-to-Peak Output Voltage
Ripple
Load Current (A)
Figure 14. Effect of t OFF(MIN) on Reducing Switching
Frequency
7
FPWM Mode
350
6
5
4
3
300
250
200
150
Always PWM
The switching mode changes
at these borders
2
VIN>2.4V
100
Always PFM
1
0
0
0.1
0.2
0.3
0.4
VIN=2.3V
0.5
0.6
50
0
2.5
3.0
3.5
4.0
4.5
PFM border
PWM border
5.0 5.5
Load Current (A)
Figure 15. 1.233V OUT Effect of t OFF(MIN) on Reducing
Switching Frequency
? 2008 Fairchild Semiconductor Corporation
FAN5361 ? Rev. 1.1.3
6
Input Voltage (V)
Figure 16. PFM / PWM Boundaries
www.fairchildsemi.com
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