SG6849 System General, SG6849 Datasheet - Page 6

• 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
Output Section
Symbol
DCY
Bnk
V
V
T
T
V
Over Temperature Protection (OTP)
Symbol
Temp-Off
Temp-Restart
*1
*2
activated.
VDD Section
Symbol
V
V
I
I
V
© System General Corp.
Version 1.0(IRO33.0002.B3)
DD ST
DD OP
R
F
When activated, the output is disabled and the latch is turned off.
This is the threshold temperature for enabling the output again and resetting the latch, after over temperature protection has been
OL
OH
CLAMP
DD ON
DD OFF
DD CLAMP
MAX
Parameter
Turn-On Threshold Voltage
Turn-Off Threshold Voltage
Startup Current
Operating Supply Current
Zener Diode Breakdown Voltage
Parameter
Maximum Duty Cycle
Leading Edge Blanking Time
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
Output Clamp Voltage
Parameter
Protection Junction Temperature
Restart Junction Temperature
*2
*1
Test Condition
V
V
V
V
V
Test Condition
V
V
GATE is Open
I
Test Condition
DD
DD
DD
DD
DD
DD
DD
DD
= 10mA
- 6 -
= 15V, I
= 15V, I
= 15V, C
= 15V, C
= 20V
= 15V
= 15V
O
O
L
L
= 10mA
= 10mA 8
= 1nF
= 1nF
Min.
16
7.5
Min.
70
Min.
Typ.
75
310
200
80
16.7
Typ.
17
8
5
3.6
28
Typ.
150
130
Product Specification
Max.
18
8.5
30
6
30
Max.
80
1.5
18
Max.
www.sg.com.tw
Dec.29, 2003
SG6849
Unit
%
ns
V
V
ns
ns
V
Unit
°C
°C
Unit
V
V
uA
mA
V