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參數資料
| 型號： | KA3842A |
| 廠商： | 永盛國際集團 |
| 英文描述： | Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| 中文描述： | 線性集成電路（電流模式PWM控制器） |
| 文件頁數： | 1/5頁 |
| 文件大小： | 153K |
| 代理商： | KA3842A |
CURRENT
MODE PWM CONTROLLER
The KA3842A are fixe frequency current-mode
PWM controller. They are specially designed for OFF
Line and DC
to
DC converter
applications with minimal external components. These integrated circuits feature a
trimmed oscillator for precise duty cycle control, a temperature compensated reference,
high gain error amplifier, current sensing comparator, and a high current totempole
output ideally suited for driving a power MOSFET.
Protection circuity includes built under
voltage lockout and current limiting.
The
The KA3842A ,KA384AM can
in applications
using the same
external components as Motorola's parts,among others .The
has been optimized for compatibility with Samsung's parts Many applications can use either
KA3842A or KA3842AM
The KA3842A have Start-Up Current 0,45 mA
FEATURES
Low Start-Up Current
Maximum Duty Cycle
U/V Lockout With Hysteresis
Operating Freguency Up To 500khz
ordering
information
Device
KA3842AM
KA3842AMM
KA3842AN
KA3842AMN
Package
SO-8
SO-8
DIP-8
DIP-8
Operating temperature
0 to +70
0
C
"
"
"
BLOCK DIAGRAM
Absolute Maximum Ratings
Characteristic
S ymbol
V
CC
I
O
V
I
I
SINK (E.A)
P
O
Value
30
±
1
0.3 to V
CC
10
1
Unit
V
A
V
mA
W
Supply Voltage
Output Current
Analog Inputs
Error Amp Output Sink Current
Power Dissipation (T
A
=25
0
C)
Wing Shing Computer Components Co., (H.K.)Ltd.
Homepage:
http://www.wingshing.com
Tel:(852)2341 9276 Fax:(852)2797 8153
E-mail: wsccltd@hkstar.com
Linear Integrated Circuit
within 100%
duty cycle
PIN CONNECTION
SO-8
DIP-8
1
KA3842A
KA3842AM
The KA3842A has been proven
KA3842AM
相關PDF資料 |
PDF描述 |
|---|---|
| KA3842AM | Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| KA3842AMM | Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| KA3842AMN | Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| KA3842AN | Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| KA3842AC | SMPS Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| KA3842AC | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:SMPS Controller |
| KA3842AC_06 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:SMPS Controller |
| KA3842ACDS | 功能描述:監控電路 SMPS Controller RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| KA3842ACDSTF | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| KA3842ACS | 功能描述:DC/DC 開關控制器 SMPS Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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