各类电源电路原理设计图

xaut · 发表于 2008-11-11 11:53:03

hao ,bu cuo ,kankan

yongxiang6091 · 发表于 2008-11-11 17:02:59

顶一下，谢谢！

cool_snake · 发表于 2008-11-11 18:47:06

做电源的兄弟们请看下：
9926---手机电池保护芯片
麓源电子科技有限公司
可以提供wafer或者封装好的两种IC
9926基本参数
Die Electrical Characteristics Rating (Ta=25℃)

Characteristic	Symbol	Condition	Value			unit
Characteristic	Symbol	Condition	min	typ	max	unit
Drain-Source Breakdown Voltage	BVoss	Id=250uA, Vgs=0	20	24	-	V
Gate-Source Voltage	Vgs	-	±12			V
Drain-Source On-state Resistance	Rdson1	Vgs=4.5V, Id=4A	-	0.016	0.028	ohm
Drain-Source On-state Resistance	Rdson2	Vgs=2.0V, Id=2A	-	0.026	0.040	ohm
Gate Threshold Voltage	Vth	Vds=Vgs, Id=250uA	0.5	0.85	-	V
Diode Forward Voltage	Vfsd	Is=1A, Vgs=0V	-	-	1.2	V
Drain-Source Leakage Current	Idss	Vds=20V, Vgs=0V	-	-	1	uA
Drain-Source Leakage Current	Igss(r)	Vgs=±10V, Vds=0V	-	-	100	nA