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NE5568N PDF预览

NE5568N

更新时间: 2024-02-09 01:50:06
品牌 Logo 应用领域
恩智浦 - NXP 开关控制器
页数 文件大小 规格书
2页 26K
描述
Switched-mode power supply controller

NE5568N 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP8,.3Reach Compliance Code:unknown
风险等级:5.92控制模式:VOLTAGE-MODE
JESD-30 代码:R-PDIP-T8JESD-609代码:e0
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电流:0.02 A
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP8,.3封装形状:RECTANGULAR
封装形式:IN-LINE子类别:Switching Regulator or Controllers
表面贴装:NO最大切换频率:100 kHz
技术:BIPOLAR温度等级:COMMERCIAL
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
Base Number Matches:1

NE5568N 数据手册

 浏览型号NE5568N的Datasheet PDF文件第2页 
Philips Semiconductors  
Product specification  
Switched-mode power supply controller  
NE5568  
DESCRIPTION  
PIN CONFIGURATION  
The NE5568 is a control circuit for use in switched mode power  
supplies. It contains an internal temperature-compensated supply,  
PWM, sawtooth oscillator, over-current sense latch, and output  
stage. The device is intended for low cost SMPS applications where  
extensive housekeeping functions are not required. The NE5568 is  
a selected version of the NE5561.  
FE, N Packages  
1
8
7
6
5
GND  
V
CC  
2
3
4
OUTPUT  
V
Z
CURRENT SENSE  
R , C  
FEEDBACK  
GAIN  
T
T
FEATURES  
TOP VIEW  
Micro-miniature (D) package  
SL00437  
Pulse width modulator  
Figure 1. Pin Configuration  
Current limiting (cycle by cycle)  
Sawtooth generator  
APPLICATIONS  
Switch mode power supplies  
DC motor controller inverter  
DC/DC converter  
Stabilized power supply  
Double-pulse protection  
Internal temperature-compensated reference  
ORDERING INFORMATION  
DESCRIPTION  
TEMPERATURE RANGE  
0 to +70°C  
ORDER CODE  
NE5568N  
DWG #  
SOT97-1  
0580A  
8-Pin Plastic Dual In-Line Package (DIP)  
8-Pin Cerdip Dual In-Line Package (CERDIP)  
0 to +70°C  
NE5568FE  
BLOCK DIAGRAM  
R , C  
T
T
5
V
REF  
VOLTAGE  
SAWTOOTH  
GENERATOR  
CC  
+
ERROR  
AMP  
7
S
R
OUTPUT  
3
4
LATCH  
FEEDBACK  
PWM  
GAIN  
0.5V  
+
8.2V  
2
STABILIZED  
SUPPLY  
V
Z
1
8
6
CURRENT  
SENSE  
GND  
V
CC  
SL00438  
Figure 2. Block Diagram  
ABSOLUTE MAXIMUM RATINGS  
SYMBOL  
PARAMETER  
RATING  
18  
UNIT  
V
CC  
Supply voltage  
Output current  
Output duty cycle  
V
mA  
%
I
40  
OUT  
98  
P
Max total power dissipation  
Operating temperature range  
0.75  
0 to 70  
W
D
T
A
°C  
1
1994 Aug 31  
853-0890 13721  

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