SG6848T 데이터 시트보기 (PDF) - Unspecified
부품명
상세내역
제조사
SG6848T Datasheet PDF : 13 Pages
| |||
Low Cost Green-Mode PWM Controller for Flyback Converters
Product Specification
SG6848
Oscillator Section
Symbol Parameter
FOSC
FOSC-GREEN
IG
IN
SG
FDY
FDT
Frequency
Green-Mode Frequency
Green-Mode FB Input Current
Green-Mode Start Threshold FB Input Current
In = 0.3mA for a Maximum Duty Cycle
Green-Mode Modulation Slope
Frequency Variation versus VDD Deviation
Frequency Variation versus Temp. Deviation
Test Condition
RI=95kΩ
RI=95kΩ
RI=95kΩ
VDD=12 to 20V
TA=-30 to 105 ℃
PWM Section
Symbol Parameter
DC (MAX)
DC (MIN)
Maximum Duty Cycle
Minimum Duty Cycle
BNK
Leading-Edge Blanking Time
Test Condition
Min.
65
Typ.
70
13
1.16
1
300
0.02
Max.
75
15
2
2
Unit
kHz
kHz
mA
mA
Hz/uA
%
%
Min.
70
-
Typ.
75
1
250
Max.
80
2
Unit
%
%
nsec
Output Section
Symbol Parameter
VOL
Output Voltage Low
VOH
Output Voltage High
TR
Rising Time
TF
Falling Time
VCLAMP
Output Clamp Voltage
Test Condition
VDD=15V, Io=20mA
VDD=15V, Io=20mA
VDD=15V, CL=1nF
VDD=15V, CL=1nF
VDD=20V
Min.
8
Typ.
50
30
15
Max.
1.5
200
150
17
Unit
V
V
nsec
nsec
V
Under Voltage Lockout Section
Symbol Parameter
VTH(ON)
VDD(MIN)
Start Threshold Voltage
Min. Operating Voltage
Total Standby Current Section
Symbol Parameter
IDD ST
Start-up Current
IDD OP
Operating Supply Current
Test Condition
TA=25°C
TA=25°C
Min.
15.3
10.9
Typ.
16.3
11.7
Max.
17.3
12.5
Unit
V
V
Test Condition
VDD=15V
VDD=15V
Min.
Typ.
5
2
Max. Unit
30
uA
5
mA
© System General Corp.
-5-
Version 1.4(IRO33.0010.B2)
www.sg.com.tw
Apr.08, 2004
Share Link: 