參數(shù)資料
型號(hào): SG6841D
廠商: Electronic Theatre Controls, Inc.
英文描述: High-integrated Green-mode PWM Controller
中文描述: 高集成度綠色模式PWM控制器
文件頁數(shù): 5/14頁
文件大?。?/td> 357K
代理商: SG6841D
Product Specification
High-integrated Green-mode PWM Controller
SG6841
Current Sense Section
Symbol
Parameter
Test Condition
Z
CS
Input impedance
T
PD
Delay to Output
V
TH
Threshold voltage for current limit
I
VIN
= 0 uA
System General Corp. - 5 - www.sg.com.tw
Version 1.7 (IRO33.0001.B1) JUL.25,2003
Min.
8
0.8
Typ.
12
150
0.85
Max.
16
200
0.9
Unit
K
nsec
V
V
TH
@ I
VIN
The change of threshold voltage versus the input
current of the Vin
I
VIN
= 220 uA
-0.09
-0.15
-0.21
V
V
SENSE0
Tdelay-lps
Oscillator Section
Symbol
F
OSC
Fosc-green
V
G
V
N
S
G
F
DV
F
DT
PWM Section
Symbol
DC
(MAX)
DC
(MIN)
Bnk
Output Section
Symbol
V
OL
V
OH
tr
tf
Under-voltage Lockout Section
Symbol
Parameter
V
TH(ON)
Start Threshold Voltage
V
DD(min)
Min. Operating Voltage
Threshold voltage for I
VIN
= 80uA
The delay time of limited-power-control
I
VIN
= 80 uA
R
I
=26KOhms
0.73
0.81
31
0.89
V
msec
Parameter
Frequency in nominal mode
Frequency in green mode
End of green mode voltage at FB pin
Beginning of frequency reducing at FB pin
Slope for green mode modulation
Frequency variation versus V
DD
deviation
Frequency variation versus Temp. deviation
Test Condition
R
I
=26KOhms
R
I
=26KOhms
R
I
=26KOhms
V
DD
=10 to 20V
T
A
=-30 to 85
Min.
60
50
Typ.
65
10
1.9
2.6
80
Max.
70
16
120
5
5
Unit
KHz
KHz
V
V
Hz/mV
%
%
Parameter
Maximum Duty Cycle
Minimum Duty Cycle
Leading edge blanking time
Test Condition
Min.
75
-
200
Typ.
80
-
270
Max.
90
0
350
Unit
%
%
nsec
Parameter
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
Test Condition
V
DD
= 12V, Io = 150mA
V
DD
= 12V, Io = 50mA
V
DD
=13V, CL=1nF
V
DD
=13V, CL=1nF
Min.
8V
150
30
Typ.
250
50
Max.
1.5
350
90
Unit
V
V
nsec
nsec
Test Condition
Min.
15
9
Typ.
16
10
Max.
17
11
Unit
V
V
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