参数资料
型号: NCP5222MNR2G
厂商: ON Semiconductor
文件页数: 19/28页
文件大小: 0K
描述: IC CTLR BUCK 2CH 2PH 28QFN
标准包装: 4,000
应用: 多相控制器
电流 - 电源: 2.5mA
电源电压: 4.5 V ~ 27 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN(4x4)
包装: 带卷 (TR)
NCP5222
TYPICAL OPERATING CHARACTERISTICS
4.5
4.4
4.3
4.2
4.1
? 200
? 240
? 280
? 320
? 360
4
? 40
? 20
0 20 40 60 80
100
120
? 400
? 40
? 20
0 20 40 60 80 100
120
4
3.8
3.6
3.4
3.2
T A , AMBIENT TEMPERATURE ( ° C)
Figure 19. V CC Start Threshold VCCUV+ vs.
Ambient Temperature
? 300
? 380
? 460
? 540
? 620
T A , AMBIENT TEMPERATURE ( ° C)
Figure 20. V CC UVLO Hysteresis VCCHYS vs.
Ambient Temperature
3
? 40
? 20
0 20 40 60 80
100
120
? 700
? 40
? 20
0 20 40 60 80
100
120
350
300
T A , AMBIENT TEMPERATURE ( ° C)
Figure 21. V IN Start Threshold VINUV+ vs.
Ambient Temperature
302
301
T A , AMBIENT TEMPERATURE ( ° C)
Figure 22. V IN UVLO Hysteresis VINHYS vs.
Ambient Temperature
250
200
V IN = 20 V
300
V IN = 12 V
299
150
100
V IN = 12 V
V IN = 5 V
298
V IN = 5 V
V IN = 20 V
50
297
0
0
4
8 12
I O , OUTPUT CURRENT (A)
16
20
296
0
4
8 12 16
I O , OUTPUT CURRENT (A)
20
Figure 23. Switching Frequency vs. Output
Current in Skip Mode
http://onsemi.com
19
Figure 24. Switching Frequency vs. Output
Current in FPWM Mode
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