参数资料
型号: NCP1381DR2G
厂商: ON Semiconductor
文件页数: 21/25页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO CM 14SOIC
标准包装: 1
PWM 型: 电流模式
输出数: 1
频率 - 最大: 125kHz
电源电压: 11 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 125°C
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
包装: 剪切带 (CT)
其它名称: NCP1381DR2GOSCT
NCP1381, NCP1382
V bulk
+
--
Activated During Fault Only
One
Shot
Reset
I P Flag
GTS
SS
V DD
R startup
11
+
CV CC
8
I CC3
+
+
VCC ON
VCC latch
+
--
VCC ON
VCC OFF
+
--
+
2
8
S
Q
+
--
4
C timer
One
Shot
Fault
R
Q
Simplified Timer for
B OK and Fault Only
Fault
S
R
Q
Q
S&R are Positive
Edge Triggered
OK to
Pulse
Figure 32. The Internal Brown--out Circuit
Figure 32 also includes the short--circuit latch--off phase generation. The difference between behaviors in BO or
short--circuit, is the lack of latch--off phase in brown--out conditions: V CC ramps up and down between VCC ON and VCC OFF
in BO, whereas it goes down to 7 V and up to 15 V in short--circuit conditions. Figure 36 shows how V CC moves when a
short--circuit is detected. In BO conditions, the PFC is disabled as in UVLO conditions.
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