参数资料
型号: SG6846CLDZ
厂商: Fairchild Semiconductor
文件页数: 9/15页
文件大小: 0K
描述: IC CTRLR PWM PROG GREEN OTP 8DIP
产品变化通告: Product Discontinuation 03/Dec/2009
标准包装: 59
输出隔离: 隔离
频率范围: 44.8 ~ 136kHz
输入电压: 10.5 V ~ 25 V
输出电压: 18V
功率(瓦特): 800mW
工作温度: -40°C ~ 150°C
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-DIP
包装: 管件
Typical Performance Characteristics (Continued)
65.0
64.8
64.6
64.4
64.2
64.0
Norm al P W M F requenc y (F O S C ) v s T em perat ure
87.0
86.8
86.6
86.4
86.2
86.0
Maximum Duty Cycle (DCYmax) vs Temperature
-40
-25
-10
5
20
35
50
65
80
95
110
125
-40
-25
-10
5
20
35
50
65
80
95
110
125
70.0
69.8
69.6
69.4
69.2
69.0
Te m p e r a tu re ( ℃ )
Figure 12. Normal PWM Frequency (f OSC )
vs. Temperature
O u tp u t C u r r e n t o f R T P i n ( I R T ) v s Te m p e r a tu r e
1.10
1.08
1.06
1.04
1.02
1.00
Temperature ( ℃ )
Figure 13. Maximum Duty Cycle (DCY MAX )
vs. Temperature
F B O u t pu t Hi g h V o l t a ge (V R T T H ) v s T em pe ra t u re
-40
-25
-10
5
20 35 50 65
Te m p e r a tu r e ( ℃ )
80
95
110
125
-40
-25
-10
5
20 35 50 65
T e m p e r a tu r e ( ℃ )
80
95
110
125
Figure 14. Output Current of RT Pin (I RT )
vs. Temperature
Figure 15. FB Output High Voltage (V RTTH )
vs. Temperature
0.910
0.905
0.900
0.895
0.890
P W M T urn-o n T hres ho ld V olt a ge (V IN - O N ) v s
T em perat u re
0.700
0.695
0.690
0.685
0.680
P W M T urn-of f T hres hol d V ol t age (V IN - O F F ) v s
T em perat ure
-40
-25
-10
5
20 35 50 65
T em perat u re ( ℃ )
80
95
110
125
-40
-25
-10
5
20 35 50 65
T em perat ure ( ℃ )
80
95
110
125
Figure 16. PWM Turn-on Threshold Voltage (V IN-ON )
vs. Temperature
? 2007 Fairchild Semiconductor Corporation
SG6846C ? Rev. 1.1.2
9
Figure 17. PWM Turn-off Threshold Voltage (V IN-OFF )
vs. Temperature
www.fairchildsemi.com
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