SG6849 System General, SG6849 Datasheet - Page 4

• Manufacturer Part Number: SG6849
• Description: Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback
• Manufacturer: System General

Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter
V
V
V
P
R
R
T
T
T
*All voltage values, except differential voltages, are given with respect to the network ground terminal.
OPERATING CONDITIONS
Symbol
V
T
ELECTRICAL CHARACTERISTICS
Feedback Input Section
Symbol
I
V
R
V
*The feedback input is pulled by a transistor that is controlled by the V
© System General Corp.
Version 1.0(IRO33.0002.B3)
OZ
J
STG
L
A
DD
FB
SENSE
D
θ
θ
DD
FB
FB
DDZ
JA
JC
DC Supply Voltage*
Zener Clamp
Zener Current
FB Pin Input Voltage
Sense Pin Input Voltage
Power Dissipation
Thermal Resistance (Junction to Air)
Thermal Resistance (Junction to Case)
Operating Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering)
ESD Capability, Human Body Model
ESD Capability, Machine Model
Parameter
DC Supply Voltage
Operating Ambient Temperature
Parameter
Zero Duty-Cycle FB Input Current
Open Loop Voltage
Input Impedance
V
DD
Feedback Threshold Voltage*
(V
DD
=15V, T
Test Condition
FB Input Current = 0.1mA
FB Input Current = 0mA
FB Input Current = 0.8mA
SOT-26
DIP-8
SOT-26
DIP-8
20 sec
10 sec
A
- 4 -
DD
=25°C)
signal while V
SOT-26
DIP-8
DD
≧
Min.
20
18
V
DDZ
.
Value
25
30
10
-0.3 to 7
-0.3 to 7
300
243.3
113.0
115
67.1
150
-55 to +150
220
260
3.0
300
Value
<22.7
-30 to +85
Typ.
1.15
4.5
2.4
22.7
20
Product Specification
Max.
1.4
25
22
www.sg.com.tw
Dec.29, 2003
SG6849
Unit
V
V
mA
V
V
mW
°C/W
°C/W
°C
°C
°C
kV
V
Unit
V
°C
Unit
mA
V
kΩ
V
V