参数资料
型号: SG5841SZ
厂商: Fairchild Semiconductor
文件页数: 7/15页
文件大小: 0K
描述: IC PWM FLYBACK ISOLATED CM 8-SOP
产品变化通告: Mold Compound Change 12/Dec/2007
标准包装: 2,500
输出隔离: 隔离
频率范围: 62kHz ~ 68kHz
输入电压: 11 V ~ 24.7 V
输出电压: 18V
工作温度: -20°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: *
包装: 带卷 (TR)
Electrical Characteristics (Continued)
V DD = 15V, T A = 25°C, unless otherwise noted.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Current-Sense Section
Z SENSE
Input Impedance
12
K ?
V STHFL
V STHVA
t PD
Current Limit Flatten
Threshold Voltage
Current Limit Valley
Threshold Voltage
Propagation Delay to
GATE Output
V STHFL –V STHVA
R I =26K ?
0.85
0.90
0.22
150
0.95
200
V
V
ns
t LEB
Leading-Edge Blanking
Time
R I =26K ?
200
270
350
ns
GATE Section
DCY MAX
Maximum Duty Cycle
60
65
70
%
V GATE-L
V GATE-H
Output Voltage Low
Output Voltage High
V DD =15V, I O =50mA
V DD =12.5V, I O =50mA
7.5
1.5
V
V
t r
t f
I O
V GATE-
CLAMP
Rising Time
Falling Time
Peak Output Current
Gate Output Clamping
Voltage
V DD =15V, C L =1nF
V DD =15V, C L =1nF
V DD =15V, GATE=6V
V DD =24.7V
150
30
230
250
50
18
350
90
19
ns
ns
mA
V
RT Section
I RT
V RTTH
Output Current of RT Pin
Trigger Voltage for Over-
Temperature Protection
R I =26K ?
92
0.585
100
0.620
108
0.655
μA
V
V RT-RLS
OTP Release Voltage
V RTTH +0.03
V
t D-OTP
Over-Temperature
Debounce
R I =26K ?
60
100
140
μs
? 2006 Fairchild Semiconductor Corporation
SG5841J ? Rev. 1.3.5
7
www.fairchildsemi.com
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