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參數(shù)資料
| 型號： | KA3843ACD |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RES CHIP 9.10K OHM 1/16W 1% 0402 SMT |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 47K |
| 代理商： | KA3843ACD |
KA3843AC
3
Electrical Characteristics
(Continued)
(V
CC
= 15V, R
T
= 10KW, C
T
= 3.3nF, T
A
= 0
°
C to +70
°
C, Unless otherwise specified)
* Adjust V
CC
above the start threshold before setting at 15V
Notes :
1. These parameters, although guaranteed, are not 100% tested in production.
2. Parameter measured at trip point of latch with V
FB
= 0V.
3. Gain defined as:
Parameter
ERROR AMPLIFIER SECTION
Input voltage
Input bias current
Open loop gain
Unity gain bandwidth
PSRR
Output sink current
Output source current
Symbol
Conditions
Min.
Typ.
Max.
Unit
V
I
V
PIN1
= 2.5V
V
FB
=0V
V
O
= 2V to 4V (Note1)
T
J
= 25
°
C (Note1)
V
CC
= 12V to 25V (Note1)
V
PIN2
= 2.7V, V
PIN1
= 1.1V
V
PIN2
= 2.3V, V
PIN1
= 5.0V
V
PIN2
= 2.3V
R1 = 15K
to GND
V
PIN2
= 2.7V
R1 = 15k
to Vref
2.42
-
65
0.7
60
2
-0.5
2.50
-0.3
90
1
70
6
-0.8
2.58
- 2
-
-
-
-
-
V
uA
dB
MHz
dB
mA
mA
I
BIAS
G
VO
GBW
PSRR
I
SINK
I
SOURCE
Output high voltage
V
OH
5
6
-
V
Output low voltage
V
OL
-
0.7
1.1
V
OUTPUT SECTION
Output Low Level
V
OL
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
T
J
= 25
°
C, C1 = 1nF (Note1)
T
J
= 25
°
C, C1 = 1nF (Note1)
V
CC
= 27V, C1 = 1nF
-
-
0.1
1.5
13.5
13.5
40
40
22
0.4
2.2
-
-
100
100
-
V
V
V
V
ns
ns
V
Output high level
V
OH
13
12
-
-
-
Rise time
Fall time
Output voltage swing limit
UNDER VOLTAGE LOCKOUT SECTION
t
R
t
F
V
OLIM
Start threshold
V
TH
KA3882E
KA3883E
KA3882E
KA3883E
15
7.8
9
7.0
16
8.4
10
7.6
17
9.0
11
8.2
V
V
V
V
Min. operating voltage
( after turn on )
V
TL
PWM SECTION
Maximum duty cycle
Minimum duty cycle
TOTAL STANDBY CURRENT
Start-up current
Operating supply current
V
CC
zener voltage
D
MAX
D
MIN
KA3882E/KA3883E
94
-
96
-
100
0
%
%
-
I
ST
I
CC
V
Z
-
-
-
-
0.2
11
29
0.4
17
-
mA
mA
V
V
PIN2
= V
PIN3
= 0V
I
CC
= 25mA
G
V
V
V
SENSE
------------------------
O
V
SENSE
0.8V
≤
≤
;
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA3843ACDS | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| KA3843ACDSTF | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| KA3843ACS | 功能描述:DC/DC 開關(guān)控制器 SMPS Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| KA3843AM | 制造商:WINGS 制造商全稱:Wing Shing Computer Components 功能描述:Current���� Mode��PWM��Cont roller |
| KA3843B | 功能描述:電流型 PWM 控制器 PWM Control IC RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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