参数资料
型号: NCV3020ADR2G
厂商: ON Semiconductor
文件页数: 8/23页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 8-SOIC
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 360kHz
占空比: 84%
电源电压: 4.7 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
NCP3020A, NCP3020B, NCV3020A, NCV3020B
TYPICAL PERFORMANCE CHARACTERISTICS
1000
950
900
8.0
7.5
7.0
6.5
850
800
7.0
NCP3020A
V CC = 5 V
6.0
750
700
V CC = 5 ? 28 V
6.5
V CC = 12 V, 28 V
5.5
650
600
6.0
5.0
550
500
5.5
V CC = 5 V
NCP3020B
4.5
450
400
? 40 ? 25 ? 10
5
20
35
50
65
80
95 110 125
5.0
? 40 ? 25 ? 10
5
V CC = 12 V, 28 V
20 35 50 65
80
4.0
95 110 125
TEMPERATURE ( ° C)
Figure 15. Ramp Valley Voltage vs. Input Voltage
and Temperature
14
13.8
TEMPERATURE ( ° C)
Figure 16. Soft ? Start Time vs. Input Voltage and
Temperature
13.6
13.4
13.2
V CC = 12 V, 28 V
V CC = 5 V
13
? 40 ? 25 ? 10
5
20 35 50 65
TEMPERATURE ( ° C)
80
95 110 125
Input = 12 V, Output = 3.3 V, Load = 5 A
C1 (Yellow) = V IN , C4 (Green) = V OUT
C2 (Red) = HSDR, C3 (Blue) = LSDR
Figure 17. Current Limit Set Current vs.
Temperature
Input = 12 V, Output = 3.3 V, Load = 5 A
C1 (Yellow) = V IN , C4 (Green) = V OUT
C2 (Red) = HSDR, C3 (Blue) = LSDR
Figure 19. Shutdown Waveforms
http://onsemi.com
8
Figure 18. Soft ? Start Waveforms
Input = 12 V
C1 (Yellow) = FB, C3 (Blue) = LSDR
C2 (Red) = HSDR, C4 (Green) = V IN
Figure 20. Startup into a Current Limit
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