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NTE7044 PDF预览

NTE7044

更新时间: 2024-09-29 22:50:55
品牌 Logo 应用领域
NTE 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
2页 25K
描述
Integrated Circuit Switching Regulator Control Circuit

NTE7044 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.72
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制技术:PULSE WIDTH MODULATION标称输入电压:12 V
JESD-30 代码:R-PSIP-T9功能数量:1
端子数量:9最高工作温度:75 °C
最低工作温度:-20 °C封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified表面贴装:NO
切换器配置:BUCK最大切换频率:15.6 kHz
温度等级:COMMERCIAL EXTENDED端子形式:THROUGH-HOLE
端子位置:SINGLEBase Number Matches:1

NTE7044 数据手册

 浏览型号NTE7044的Datasheet PDF文件第2页 
NTE7044  
Integrated Circuit  
Switching Regulator Control Circuit  
Description:  
The NTE7044 is an integrated circuit in a 9–Lead SIP type package which contains a PWM switching  
regulator control circuit and protect circuit on a single chip.  
Features:  
D Soft Start Circuit  
D 0 to 0.7 Duty  
D Protection Circuit for Overvoltage and Current  
D External Trigger Available  
D High Supply Voltage Protection  
D Low Supply Voltage Protection  
D Reference Voltage Provided by an External Zener Diode  
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)  
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V  
Circuit Voltage  
V6–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 14.4V  
V1, V2, V4–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V6–5  
V3–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 10V  
V7–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 8V  
V8, V9–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3V to +4V  
Supply Current, I6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18mA  
Circuit Current, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1mA to +50mApeak  
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260mW  
Local Power Dissipation (Q1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60mW  
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C  
Storage Temperatuere Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C  
Note 1. + is flow–in current to the circuit, while – is flow–out current.  
Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified)  
Parameter  
Symbol  
Test Conditions  
Min  
Typ Max Unit  
Total Circuit Current  
I
8.4  
10.5 12.6  
mA  
kHz  
%
tot  
Oscillation Frequency  
Output Pulse Duty (Min)  
Output Pulse Duty (Max)  
f
14.0 14.8 15.6  
OSC  
t
t
67  
72  
0
77  
0
w(duty)  
w(duty)  
%

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