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參數(shù)資料
| 型號： | KA3842AE |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SMPS Controller |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | LEAD FREE, DIP-8 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 131K |
| 代理商： | KA3842AE |
4
www.fairchildsemi.com
KA3842AC/KA3842AE Rev. 1.0.1
K
* 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 V2 = 0V.
3. Gain defined as: G
V
=
Δ
V
PIN1
Δ
V
PIN3
(V
PIN3
= 0 to 0.8V)
4. Junction-to-air thermal resistance test environments
PCB information:
Board thickness; 1.6mm, Board dimension: 76.2 X 114.3mm
2
, Ref.: EIA/JSED51-3 and EIA/JSED51-7
Board structure; Using the single layer PCB.
OUTPUT SECTION
V
OL
Output Low Level
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
T
J
= 25°C, C1 = 1nF
T
J
= 25°C, C1 = 1nF
V
CC
= 27V, C1 = 1nF
–
–
13
12
–
–
–
0.1
1.5
13.5
13.5
40
40
22
0.4
2.2
–
–
100
100
–
V
V
V
V
ns
ns
V
V
OH
Output High Level
t
R
t
F
V
OLIM
UNDER VOLTAGE LOCKOUT SECTION
V
TH
Start Threshold
V
TL
Min. Operating Voltage
(After turn on)
PWM SECTION
D
MAX
Maximum Duty Cycle
D
MIN
Minimum Duty Cycle
TOTAL STANDBY CURRENT
I
ST
Start-Up Current
I
CC
Operating Supply Current
V
Z
V
CC
Zener Voltage
Rise Time
(1)
Fall Time
(1)
Output Voltage Swing Limit
15
9
16
10
17
11
V
V
94
–
96
–
100
0
%
%
–
–
–
0.2
11
29
0.4
17
–
mA
mA
V
V
PIN2
= V
PIN3
= 0V
I
CC
= 25mA
Electrical Characteristics
(Continued)
(V
CC
= 15V, R
T
= 10k, C
T
= 3.3nF, T
A
= 0°C to +70°C, unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| KA3842AES | 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(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| KA3842AM | 制造商:WINGS 制造商全稱:Wing Shing Computer Components 功能描述:Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| KA3842AMM | 制造商:WINGS 制造商全稱:Wing Shing Computer Components 功能描述:Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| KA3842AMN | 制造商:WINGS 制造商全稱:Wing Shing Computer Components 功能描述:Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
| KA3842AN | 制造商:WINGS 制造商全稱:Wing Shing Computer Components 功能描述:Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER) |
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