参数资料
型号: SG6846BLSZ
厂商: Fairchild Semiconductor
文件页数: 9/15页
文件大小: 0K
描述: IC CTRLR PWM OVP OTP OCP 8SOP
标准包装: 2,500
输出隔离: 隔离
频率范围: 44.8 ~ 136kHz
输入电压: 10.5 V ~ 30 V
输出电压: 18V
功率(瓦特): 400mW
工作温度: -40°C ~ 150°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
Typical Performance Characteristics
1 7 .0
1 6 .8
1 6 .6
1 6 .4
1 6 .2
1 6 .0
Turn-on Threshold Voltage (V DD-ON ) vs Temperature
1 1 .5
1 1 .0
1 0 .5
1 0 .0
9 .5
9 .0
Turn-off Voltage (V DD-OFF ) vs Temperature
-4 0
-2 5
-1 0
5
20
35
50
65
80
95
110
125
-4 0
-2 5
-1 0
5
20
35
50
65
80
95
110
125
Temperature ( ℃ )
Figure 7. Turn-on Threshold Voltage (V DD-ON )
vs. Temperature
Temperature ( ℃ )
Figure 8. Turn-off Threshold Voltage (V DD-OFF )
vs. Temperature
26.0
22.0
Startup Current (I
DD -ST
) vs Temperature
6 .0
5 .5
Operating Supply Current (IDD-op) vs Temperature
18.0
5 .0
14.0
10.0
6.0
4 .5
4 .0
-40
-25
-10
5
20 35 50 65
Temperature ( ℃ )
80
95
110
125
-4 0
-2 5
-1 0
5
20 35 50 65
Temperature ( ℃ )
80
95
110
125
Figure 9. Startup Current (I DD-ST ) vs. Temperature
OCP Threshold Voltage for Current Limit (V STH1V-2/3 ) vs
Figure 10. Operating Supply Current (I DD-op ) vs.
Temperature
OCP ThresholdVoltage for Current Limit (V STH3V-2/3 ) vs
0.66
0.64
0.62
0.60
0.58
0.56
Temperature
0.60
0.58
0.56
0.54
0.52
0.50
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
Temperature ( ℃ )
Figure 11. OCP Threshold Voltage for Current Limit
(V STH1V-2/3 ) vs. Temperature
? 2008 Fairchild Semiconductor Corporation
SG6846B ? Rev. 1.3.4
9
Temperature ( ℃ )
Figure 12. OCP Threshold Voltage for Current Limit
(V STH3V-2/3 ) vs. Temperature
www.fairchildsemi.com
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