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IP1842AJ PDF预览

IP1842AJ

更新时间: 2024-02-01 01:20:39
品牌 Logo 应用领域
其他 - ETC 开关控制器
页数 文件大小 规格书
6页 71K
描述
Current-Mode SMPS Controller

IP1842AJ 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.88模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:30 V最小输入电压:12 V
标称输入电压:15 VJESD-30 代码:R-GDIP-T8
JESD-609代码:e0长度:10.287 mm
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-55 °C
最大输出电流:1 A封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT APPLICABLE
认证状态:Not Qualified座面最大高度:5.08 mm
表面贴装:NO切换器配置:SINGLE
最大切换频率:500 kHz温度等级:MILITARY
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT APPLICABLE宽度:7.62 mm
Base Number Matches:1

IP1842AJ 数据手册

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IP1842A SERIES  
IP1843A SERIES  
SEME  
LAB  
DESCRIPTION  
The IP1842A/IP1843A series of switching regulator control circuits contain all the functions necessary to  
implement off-line, current mode switching regulators, using a minimum number of external parts. Functions  
included are voltage reference, error amplifier, current sense comparator, oscillator, totem-pole output driver and  
under-voltage lockout circuitry.  
Although pin compatible with the standard IP1842/3 parts these devices offer improved performance in several  
areas. They also offer tighter specification and improved performance over the IP and UC1842/3 series, whilst  
retaining complete compatibility.  
BLOCK DIAGRAM  
7/12  
VCC  
UNDER–VOLTAGE  
LOCKOUT  
34V  
8/14  
ENABLE  
5V  
REFERENCE  
REGULATOR  
V
REF  
5/9  
GND  
16V  
(8.4V)  
INTERNAL  
BIAS  
6V  
(0.5V)  
2.5V  
REG  
VREF STATUS  
LATCH  
S
R
7/11VC  
3.6V  
4/7  
6/10OUTPUT  
RT /CT  
OSCILLATOR  
Q
TOGGLE  
FLIP  
FLOP *  
5/8  
POWER  
GROUND  
T
ERROR  
AMP  
S
R
2R  
2/3  
1/1  
PWM  
LATCH  
VFB  
R
* 1844A and 1845A series only.  
1V  
Values in brackets are for IP1845 series.  
C
OMP  
CURRENT  
SENSE  
COMPARATOR  
PIN NUMBERS  
1st Number – N, J and 8 Pin D Packages  
2nd Number – 14 Pin D Package.  
3/5  
ISENSE  
RECOMMENDED OPERATING CONDITIONS  
1
V
Supply Voltage  
Output Current  
Analog Inputs  
30V  
CC  
I
0 to ±200mA  
–0.3V to 3V  
0 to 2mA  
O
(pins 2 and 3)  
Error Amp Output Sink Current  
IP1842A , IP1843A  
IP2842A , IP2843A  
IP3842A , IP3843A  
–55 to 125°C  
–25 to 85°C  
0 to 70°C  
Operating Ambient Temperature Range  
Notes:  
1.  
Lower limit set by under voltage lockout specification.  
Prelim. 2/95  
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.  

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