SG6848T 查看數據表（PDF） - Unspecified
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SG6848T Datasheet PDF : 13 Pages
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Low Cost Green-Mode PWM Controller for Flyback Converters
Product Specification
SG6848
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter
VDD
DC Supply Voltage *
Zener Clamp
Zener Current
VFB
VSENCE
PD
TJ
Input Voltage to FB Pin
Input Voltage to Sense Pin
Power Dissipation
Operating Junction Temperature
RθJA
Thermal Resistance (Junction to Air)
TSTG
Storage Temperature Range
TL
Lead Temperature (Soldering)
ESD Capability, HBM Model
ESD Capability, Machine Model
SOT-26
DIP-8
20 sec
10 sec
SOT-26
DIP-8
Value
25
26
10
-0.3 to 6 V
-0.3 to 6V
300
150
208.4
82.5
-55 to +150
220
260
3.0
300
* All voltage values, except differential voltages, are given with respect to the network ground terminal.
Unit
V
V
mA
V
V
mW
℃
°C/W
°C/W
℃
°C
kV
V
OPERATING CONDITIONS
Symbol Parameter
VDD
DC Supply Voltage
TA
Operating Ambient Temperature
Value
≦20
-30 to +105
Unit
V
℃
ELECTRICAL CHARACTERISTICS (TA = 25°C, VDD=15V)
Feedback Input Section
Symbol Parameter
IOZ
Zero Duty Cycle Input Current
VOP
Open Loop Voltage
Test Condition
Min.
Typ.
1.3
4.5
Max. Unit
2.0
mA
V
Current Sense Section
Symbol Parameter
ZCS
TPD
VTH,FLT
VTH,VALLEY
Input Impedance
Delay to Output
Current Limit Flatten Threshold Voltage
Current Limit Valley Threshold Voltage
Test Condition
Min.
10
0.80
Typ.
150
1.0
0.85
Max.
200
0.90
Unit
kΩ
nsec
V
V
© System General Corp.
-4-
Version 1.4(IRO33.0010.B2)
www.sg.com.tw
Apr.08, 2004
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