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器件参数表
DataSheet
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发行日期:2009.11.18
文档编号:SPEC208H0911D1
版本:D
THX208
【开关电源控制器集成电路】
THX Micro-elec.
通华芯微电子
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
定时电容
振荡频率
工作温度(芯片温度)
最小
4.8
-0.3
-
-
270
32
0
典型
5.5
-
-
-
330
61
最大
9.0
Vcc
550
230
680
81
100
单位
V
V
V
mA
PF
KHz
℃
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
%
南京通华芯微电子有限公司 http://www.thx.com.cn SPEC208H0911D1
-5-
REV:D
THX208
高性能电流模式PWM开关电源控制器
典型应用电路(输入 85-265V,输出 5V 0.5A, CC/CV):
图 4. 典型应用电路
南京通华芯微电子有限公司 http://www.thx.com.cn
- 11 -
SPEC208H0911D1
REV:D