參數(shù)資料
型號： FAN7544MX
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Simple Ballast Controller
中文描述： 0.6 A FLUORESCENT LIGHT CONTROLLER, 54.5 kHz SWITCHING FREQ-MAX, PDSO8
封裝： SOP-8
文件頁數(shù)： 4/14頁
文件大?。?/td> 1185K
代理商： FAN7544MX
FAN7544
4
Electrical Characteristics
Unless otherwise specified, for typical values Vcc=15V, Ta=25
°
C
, For Min/Max values Ta is the operating ambient
temperature range with
-25
°
C
≤
Ta
≤
125
°
C and 12.7V
≤
V
CC
≤
30V
Parameter
Symbol
UNDER VOLTAGE LOCK OUT SECTION
Start Threshold Voltage
V
TH(st)
V
CC
Increasing
UVLO Hysteresis
HY
(st)
-
SUPPLY CURRENT SECTION
Start Up Supply Current
I
ST
V
CC
< V
TH
(st)
Operating Supply Current
I
CC
Output not switching
Dynamic Operating Supply Current
I
DCC
50kHz, C
L
=1nF
OSCILLATOR SECTION
CPH Pin Charging Current 1
I
CPHL
V
CPH
=2V
CPH Pin Charging Current 2
I
CPHH
V
CPH
=4V
CPH Pin Clamp Voltage
V
CLAMP
-
V
CPH
=0V,
RPH=47k
, CT=470pF
V
CPH
=0V,
RPH=47k
, CT=470pF
V
CPH
=Open,
RT=80k
, CT=470pF
V
CPH
=Open,
RT=80k
, CT=470pF
CT Threshold Voltage
(note1)
V
CT
Ta=25°C
CT Charging Current
I
CHG
-
CT Discharging Current
I
DIS
-
-25°C
≤
Ta
≤
125°C,
V
CC
= 25V
Voltage Stability
f/
V
12.7V
≤
V
CC
≤
30V, Ta=25°C
OUTPUT SECTION
Gate Driver Source Current
(note1)
I
OSOURCE
V
OUT
=0V
Gate Driver Sink Current
(note1)
I
OSINK
V
OUT
=14.6V
Rising Time
(Note1)
tr
C
L
=1nF, Vcc=15V, Ta=25°C
Falling Time
(Note1)
tf
C
L
=1nF, Vcc=15V, Ta=25°C
Maximum Output Voltage
V
omax
V
CC
= 25V
Output Voltage With UVLO Activated
V
omin
V
CC
= 5V, I
O
= 100
μ
A
PROTECTION SECTION
Shutdown Sink Current
(note1)
I
SD
RPH=47k
Latch Mode Quiescent Current
I
LATCH
V
CC
= 15V
Thermal Shutdown Junction
Temperature
(Note1)
Note:
1. These parameters, although guaranteed, are not 100% tested in production.
Conditions
Min.
Typ.
Max.
Unit
10.5
1.4
11.6
1.9
12.7
2.4
V
V
-
-
-
0.14
6.5
8
0.2
10
12
mA
mA
mA
1.3
7
4.8
1.6
10
5.6
1.9
13
6.4
μ
A
μ
A
V
Preheating Frequency
f
PH
70
81.5
93
kHz
Preheating Dead Time
tpd
0.8
1.3
1.8
μ
s
Operating Frequency
f
OS
45.5
50
54.5
kHz
Operating Dead Time
t
OD
1.6
2.0
2.4
μ
s
3.2
170
0.9
3.7
220
1.15
4.2
270
1.4
V
μ
A
mA
Temperature Stability
(Note1)
f/
T
-
1
3
%
-
-
3
%
-
-
-
-
500
500
130
50
15
-
-
-
mA
mA
ns
ns
V
V
170
100
17
1
13
-
-
-
0.6
0.36
-
mA
mA
0.57
T
SD
-
-
150
-
°C
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