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78ST109SCT PDF预览

78ST109SCT

更新时间: 2024-02-10 13:16:41
品牌 Logo 应用领域
德州仪器 - TI 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
6页 236K
描述
1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR

78ST109SCT 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:SIP-3Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:5.8
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE最大输入电压:30 V
最小输入电压:7 VJESD-30 代码:R-XSMA-T3
功能数量:1端子数量:3
最高工作温度:80 °C最低工作温度:-40 °C
最大输出电流:1.5 A封装主体材料:UNSPECIFIED
封装等效代码:SIP3,.2封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:NO切换器配置:BUCK
最大切换频率:700 kHz技术:HYBRID
温度等级:OTHER端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:SINGLE
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

78ST109SCT 数据手册

 浏览型号78ST109SCT的Datasheet PDF文件第1页浏览型号78ST109SCT的Datasheet PDF文件第3页浏览型号78ST109SCT的Datasheet PDF文件第4页浏览型号78ST109SCT的Datasheet PDF文件第5页浏览型号78ST109SCT的Datasheet PDF文件第6页 
For assistance or to order, call (800) 531-5782  
7 8 S T 1 0 0 S e r i e s  
C H A R A C T E R I S T I C  
D A T A  
78ST133_ 3.3 VDC (See Note 1)  
78ST105_ 5.0 VDC (See Note 1)  
78ST112_ 12.0 VDC (See Note 1)  
Efficiency vs Output Current  
Efficiency vs Output Current  
Efficiency vs Output Current  
100  
90  
80  
70  
60  
50  
40  
100  
90  
80  
70  
60  
50  
40  
100  
90  
80  
70  
60  
50  
40  
Vin  
Vin  
Vin  
7.0V  
7.0V  
14.0V  
10.0V  
15.0V  
20.0V  
25.0V  
30.0V  
10.0V  
15.0V  
20.0V  
25.0V  
30.0V  
20.0V  
25.0V  
30.0V  
35.0V  
0.0  
0.5  
1.0  
1.5  
0.0  
0.5  
1.0  
1.5  
0.0  
0.5  
1.0  
1.5  
Iout (A)  
Iout (A)  
Iout (A)  
Ripple vs Output Current  
Ripple vs Output Current  
Ripple vs Output Current  
60  
50  
40  
30  
20  
10  
0
80  
70  
60  
50  
40  
30  
20  
10  
0
140  
120  
100  
80  
Vin  
7.0V  
Vin  
7.0V  
Vin  
14.0V  
10.0V  
15.0V  
20.0V  
25.0V  
30.0V  
10.0V  
15.0V  
20.0V  
25.0V  
30.0V  
20.0V  
25.0V  
30.0V  
35.0V  
60  
40  
20  
0
0.0  
0.5  
1.0  
1.5  
0.0  
0.5  
1.0  
1.5  
0.0  
0.5  
1.0  
1.5  
Iout (A)  
Iout (A)  
Iout (A)  
Thermal Derating (Ta)  
(See Note 2)  
Thermal Derating (Ta)  
(See Note 2)  
Thermal Derating (Ta)  
(See Note 2)  
1.6  
1.4  
1.2  
1
1.6  
1.4  
1.2  
1
1.6  
1.4  
1.2  
1
60°C  
60°C  
60°C  
70°C  
85°C  
70°C  
70°C  
85°C  
85°C  
0.8  
0.6  
0.4  
0.2  
0
0.8  
0.6  
0.4  
0.2  
0
0.8  
0.6  
0.4  
0.2  
0
16  
19  
22  
25  
28  
31  
34  
37  
40  
9
12  
15  
18  
21  
24  
27  
30  
33  
36  
39  
9
13  
17  
21  
25  
Vin (Volts)  
Vin (Volts)  
Vin (Volts)  
Power Dissipation vs Output Current  
Power Dissipation vs Output Current  
Power Dissipation vs Output Current  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
Vin  
Vin  
7.0V  
Vin  
7.0V  
14.0V  
20.0V  
25.0V  
30.0V  
35.0V  
10.0V  
15.0V  
20.0V  
25.0V  
30.0V  
10.0V  
15.0V  
20.0V  
25.0V  
30.0V  
0.0  
0.5  
1.0  
1.5  
0.0  
0.5  
1.0  
1.5  
0.0  
0.5  
1.0  
1.5  
Iout (A)  
Iout (A)  
Iout (A)  
Note 1: All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.  
Note 2: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application Notes.)  
3
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com  

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