THX208
高性能电流模式PWM开关电源控制器
极限参数
供电电压 VCC ··································································································· 16V
引脚输入电压 ·························································································· VCC+0.3V
OC 集电极承受电压·······································································-0.3-700V/800V
峰值开关电流 ································································································ 300mA
总耗散功率 ································································································· 1000mW
工作温度范围 ·························································································0---+150℃
储存温度范围 ··················································································· -55---+150℃
焊接温度······························································································· +260℃,10S
推荐工作条件
项目
供电电压,VCC
引脚输入电压
峰值反向电压
峰值开关电流
最小
4.8
-0.3
-
-
典型
5.5
-
-
-
最大
9.0
Vcc
550
230
单位
V
V
V
mA
定时电容
振荡频率
270
330
680
PF
32
61
81
KHz
工作温度(芯片温度) 0
100
℃
电气参数(Ta=25℃, Vcc=5.5-7.5V, Ct=330PF)
输出部分
项目
开关管最大耐压
开通饱和压降
关断延时
输出上升时间
输出下降时间
输出限制电流
OE 钳位电压
参考部分(内部)
项目
参考输出电压
电源调整率
负载调整率
测试条件
Ioc=10mA
THX208-7V
THX208-8V
Ioc=250mA
THX208-7V
THX208-8V
Ioc=250mA
CL=1nF
CL=1nF
Tj=0-100℃
OE=0.001-0.29A
测试条件
Io=1.0mA
Vcc=5.5-9V
Io=0.1-1.2mA
最小
700
800
-
-
300
-
-
210
-
典型
-
-
-
-
-
-
-
230
1.5
最大
-
-
1
1.2
700
75
75
250
-
单位
V
V
V
V
ns
ns
ns
mA
V
最小
2.4
-
-
典型
2.5
2
-
最大
2.6
20
3
单位
V
mV
%
-5-