参数资料
型号: KA3842ACS
厂商: Fairchild Semiconductor
文件页数: 4/6页
文件大小: 0K
描述: IC REG CTRLR PWM CM 8-DIP
标准包装: 50
PWM 型: 电流模式
输出数: 1
频率 - 最大: 500kHz
占空比: 100%
电源电压: 10 V ~ 30 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
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
OUTPUT SECTION
V OL
V OH
t R
t F
V OLIM
Output Low Level
Output High Level
Rise Time (1)
Fall Time (1)
Output Voltage Swing Limit
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
UNDER VOLTAGE LOCKOUT SECTION
V TH
V TL
Start Threshold
Min. Operating Voltage
(After turn on)
15
9
16
10
17
11
V
V
PWM SECTION
D MAX
D MIN
Maximum Duty Cycle
Minimum Duty Cycle
94
96
100
0
%
%
TOTAL STANDBY CURRENT
I ST
Start-Up Current
0.2
0.4
mA
I CC
V Z
Operating Supply Current
V CC Zener Voltage
V PIN2 = V PIN3 = 0V
I CC = 25mA
11
29
17
mA
V
* Adjust V CC above the start threshold before setting at 15V
Notes:
1.
2.
3.
4.
These parameters, although guaranteed, are not 100% tested in production.
Parameter measured at trip point of latch with V2 = 0V.
Gain defined as: G V = Δ V PIN1 Δ V PIN3 (V PIN3 = 0 to 0.8V)
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.
KA3842AC/KA3842AE Rev. 1.0.1
4
www.fairchildsemi.com
相关PDF资料
PDF描述
NCP305LSQ26T1G IC VOLT DETECT OD 2.6V SC-82AB
VI-BT3-EV-F4 CONVERTER MOD DC/DC 24V 150W
RCC15DRES-S93 CONN EDGECARD 30POS .100 EYELET
KA7500CDTF IC REG CTRLR PWM VM 16-SOP
VI-BT3-EV-F3 CONVERTER MOD DC/DC 24V 150W
相关代理商/技术参数
参数描述
KA3842AE 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:SMPS Controller
KA3842AES 功能描述:DC/DC 开关控制器 SMPS Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
KA3842AM 制造商:WINGS 制造商全称:Wing Shing Computer Components 功能描述:Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER)
KA3842AMM 制造商:WINGS 制造商全称:Wing Shing Computer Components 功能描述:Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER)
KA3842AMN 制造商:WINGS 制造商全称:Wing Shing Computer Components 功能描述:Linear Integrated Circuit(CURRENT-MODE PWM CONTROLLER)