参数资料
型号: NCP4326DR2G
厂商: ON Semiconductor
文件页数: 5/29页
文件大小: 0K
描述: IC SECONDARY CTLR SW PS 16-SOIC
产品变化通告: Discontinuation 30/Jun/2006
标准包装: 2,500
应用: 次级控制器,准谐振切换模式电源
输入电压: 15V
输出数: 3
工作温度: 0°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
NCP4326
12 V CC
V CC
UVLO
Vcc OK
V CC
STBY
V DD1 * V DD **
VOLTAGE
REFERENCE
*V DD1 is not available in standby mode
**V DD is available all the time
2V5
1V25
EN1 16
1 CP1
Vcc OK
DRV1 13
2 FB1
4 CP2
5 FB2
V DD
1V25
CHANNEL 1
STBY
CHANNEL 2
V DD1
+
?
GND
2V5
V DD1
STBY 10
DRV 11
4V0
6 Ct
7 Sync
9 FBm
8 CPm
GND
I Ct
V DD
?
+
GND
V DD1
?
+
GND
Ctramp
Enable or
Int_sync
1V6
GND
GND
OPAMP with
Open Collector Output
1V25
4V5
GND
Int_Flux
Offset
0V5
V DD
+
?
GND
8.5R
GND
Clamp
0V 1V
R
GND
EN2 3
GND 15
Flux 14
Vcc OK
CPx
CHANNEL x
V DD
V DD
IENx
Int_Flux
ENx
5V0
FBx
V DD
?
V DD
+
GND GND
V CC
1V25
Ctramp
Int_Sync
+
GND
?
GND
LOGIC
LATCH
GND
DRVx
STBY
Figure 3. Internal Circuit Architecture
http://onsemi.com
5
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