sg6741tp Fairchild Semiconductor, sg6741tp Datasheet - Page 5

• Manufacturer Part Number: sg6741tp
• Description: Sg6741-highly-integrated Green-mode Pwm Controller
• Manufacturer: Fairchild Semiconductor

Highly-Integrated Green-Mode PWM Controller
Oscillator Section
Symbol
F
t
F
F
F
Feedback Input Section
Symbol
A
Z
V
V
t
V
V
V
Current-Sense Section
Symbol
Z
V
V
t
t
V
t
© System General Corp.
Version 1.3.1 (IAO33.0047.B3)
HOP
D-OLP
PD
LEB
D-SSCP
OSC
OSC-G
DV
DT
FB
SENSE
V
FB-OPEN
FB-OLP
FB-N
FB-G
FB-ZDC
STHFL
STHVA
S-SCP
Parameter
Frequency in Nominal Mode
Hopping Period
Green-Mode Frequency
Frequency Variation vs. V
Frequency Variation vs. Temp. Deviation
Parameter
Input Impedance
Current Limit Flatten Threshold Voltage
Current Limit Valley Threshold Voltage
Delay to Output
Leading-Edge Blanking Time
Threshold Voltage for SENSE Short-Circuit
Protection
Delay Time for SENSE Short-Circuit
Protection
Parameter
Input Voltage to Current-Sense Attenuation
Input Impedance
FB Output High Voltage
FB Open-Loop Trigger Level
Delay Time, FB Pin Open-Loop Protection
Green-Mode Entry FB Voltage
Green-Mode Ending FB Voltage
Zero Duty Cycle Input Voltage
PWM Frequency
F
OSC-G
F
OSC
DD
Deviation
V
FB-ZDC
V
FB-G
Test Condition
Center Frequency
Hopping Range
V
T
Test Condition
FB Pin Open
R
Test Condition
V
V
A
DD
STHFL
SENSE
I
=26kΩ
=-20 to 85℃
- 5 -
=11V to 22V
–V
<0.15V, R
STHVA
V
FB-N
I
=26kΩ
www.sg.com.tw • www.fairchildsemi.com
Min.
62
±3.7
16
Min.
1/3.75
4
5.5
3.7
50
1.9
V
Min.
0.87
0.18
275
FB-G
-0.25 V
Typ.
1/3.20
4.0
56
2.1
V
Typ.
12
0.90
0.22
100
350
0.15
180
Typ.
65
±4.2
4.4
18
FB-N
FB-G
Product Specification
-0.5
-0.20 V
Max.
68
±4.7
21
5
5
Max.
1/2.75
7
4.3
62
2.3
Max.
0.93
0.26
200
425
FB-G
October 30, 2007
-0.10 V
SG6741
Unit
ms
kHz
Unit
V/V
V
Unit
V
ns
µs
kHz
%
%
kΩ
V
ms
V
V
KΩ
V
ns
V