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參數(shù)資料
| 型號(hào)： | KA7540D |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Simple Dimming Ballast Control IC |
| 中文描述： | 簡(jiǎn)單的調(diào)光鎮(zhèn)流器控制IC |
| 文件頁(yè)數(shù)： | 5/14頁(yè) |
| 文件大?。?/td> | 104K |
| 代理商： | KA7540D |
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KA7540
5
Electrical Characteristics
Unless otherwise specified, for typical values Vcc=14V, Ta=25
°
C, For Min/Max values Ta is the operating ambient
temperature range with -25
°
C
≤
Ta
≤
125
°
C and 14V
≤
Vcc
≤
30V
Notes :
1. This parameter is not tested in production but tested in wafer.
2. This parameter, although guaranteed, is not 100% tested in production.
Parameter
UNDER VOLTAGE LOCK OUT SECTION
Start threshold voltage
UVLO hysteresis
SUPPLY CURRENT SECTION
Symbol
Conditions
Min.
Typ.
Max.
Unit
V
TH
(st)
HY(st)
V
CC
increasing
11.5
1.3
12.5
1.8
13.5
2.3
V
V
-
Start up supply current
I
ST
V
CC
<V
TH
(st),
Vcc=14V
Output not switching
50kHz, CI=1nF
-
0.2
0.3
mA
Operating supply current
Dynamic operating supply current
REFERENCE SECTION
Reference voltage
(Note1)
Line regulation
(Note1)
I
CC
I
DCC
-
-
6
7
10
14
mA
mA
Vref
Vref 1
Iref=0mA, Vcc=14V
14V
≤
V
CC
≤
25V
-25
≤
Ta
≤
125
°
C,
Vcc=14V
1.95
-
2
2.05
10
V
0.1
mV
Temperature stability of Vref
(Note1)
Vref 2
-
15
-
mV
OSCILLATOR SECTION
Operating frequency
Operating dead time
Soft start frequency
Soft start time current
Soft start dead time
Dimming frequency
OUTPUT SECTION
Rising time
(Note2)
Falling time
(Note2)
Maximum output voltage
Output voltage with UVLO activated
NO LAMP PROTECTION SECTION
No lamp detect voltage
fos
tod
fss
I
SS
tsd
fd
V
SS
=3V, C
T
=470pF
V
SS
=3V, Vcc=14V
V
SS
=0V, C
T
=470pF
V
SS
=0V
V
SS
=0V, Vcc=14V
Vss=5V, Vdim=1V
44
2.4
56
17
1.8
58
50
2.9
65
25
2.3
72
56
3.4
74
33
2.8
86
kHz
μ
s
kHz
μ
A
μ
s
kHz
tr
tf
CI=1nF
CI=1nF
V
CC
=20V
V
CC
=5V, I
O
=100
μ
A
-
-
120
50
15
-
200
100
18
1
ns
ns
V
V
Vomax(o)
Vomin(o)
12
-
Vnd
-
1.9
2
2.1
V
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|---|---|
| KA7541 | Simple Ballast Controller |
| KA7541D | Simple Ballast Controller |
| KA75420Z | Voltage Detector |
| KA75290M | Voltage Detector |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA7540DTF | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| KA7541 | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 Ballast Controller Electronic RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| KA7541D | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 Ballast Controller Electronic RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| KA7541DTF | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 Ballast Controller Electronic RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| KA75420 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Voltage Detector |
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