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PT78ST107ST PDF预览

PT78ST107ST

更新时间: 2024-09-15 22:25:07
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
7页 173K
描述
1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR

PT78ST107ST 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:MODULE
包装说明:, SMSIP3H,1.0针数:3
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
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:38 V
最小输入电压:11 V标称输入电压:11 V
JESD-30 代码:R-XSMA-G3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:SMSIP3H,1.0
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:YES
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:GULL WING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 SPECIFIED
Base Number Matches:1

PT78ST107ST 数据手册

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PT78ST100 Series  
1.5 Amp Positive Step-Down  
Integrated Switching Regulator  
SLTS059A  
(Revised 6/30/2000)  
Very Small Footprint  
These ISRs have a maximum output current  
of 1.5 Amps and an output voltage that is laser  
trimmed to a variety of industry standard volt-  
ages.  
These 78 series regulators have excel-  
lent line and load regulation with internal  
short- circuit and over-temperature protec-  
tion, and are offered in a variety of standard  
output voltages. These ISRs are very flex-  
ible and may be used in a wide variety of  
applications.  
High Efficiency > 85%  
Self-Contained Inductor  
Internal Short-Circuit Protection  
Over-Temperature Protection  
Fast Transient Response  
Wide Input Range  
The PT78ST100 is a series of wide-  
input range, 3-terminal regulators.  
Pin-Out Information  
Ordering Information  
PT78ST1  
XX Y  
Pin Function  
1
2
3
Vin  
Output Voltage  
Package Suffix  
GND  
Vout  
Standard Application  
33 = 3.3 Volts  
36 = 3.6 Volts  
05 = 5.0 Volts  
51 = 5.1 Volts  
53 = 5.25 Volts  
06 = 6.0 Volts  
65 = 6.5 Volts  
07 = 7.0 Volts  
08 = 8.0 Volts  
09 = 9.0 Volts  
10 = 10.0 Volts  
12 = 12.0 Volts  
14 = 13.9 Volts  
15 = 15.0 Volts  
V = Vertical Mount  
S = Surface Mount  
H = Horizontal  
Mount  
Vin  
Vout  
1
3
PT78ST100  
2
+
C1  
COM  
C2  
COM  
C1 = Optional 1µF ceramic  
C2 = Required 100µF electrolytic  
Pkg Style 500  
Specifications  
PT78ST100 SERIES  
Characteristics  
(Ta = 25°C unless noted)  
Symbols  
Io  
Conditions  
Min  
0.1*  
Typ  
Max  
Units  
A
Output Current  
Over Vin range  
Vin = Vin min  
0.1 Io 1.5A  
1.5  
Short Circuit Current  
Input Voltage Range  
Isc  
3.5  
Apk  
Vin  
Vo= 3.3V  
Vo= 5V  
9
26  
38  
38  
V
V
V
9
Vo= 12V  
16  
Output Voltage Tolerance  
Vo  
Over Vin range, Io=1.5A  
Ta = 0°C to +60°C  
1.0  
2.0  
%V  
o
Line Regulation  
Load Regulation  
Vo Ripple/Noise  
Regline  
Regload  
Vn  
Over Vin range  
0.2  
0.1  
0.4  
0.2  
%V  
%V  
o
0.1 Io 1.5A  
o
Vin= 9V, Io= 1.5A  
Vin= 16V, Io= 1.5A  
Vo= 5V  
Vo= 12V  
65  
90  
mVpp  
mVpp  
Transient Response  
(with 100µF output cap)  
ttr  
50% load change  
Vo over/undershoot  
100  
5
µSec  
%V  
o
Efficiency  
η
Vin= 10V, Io= 1A  
Vin= 10V, Io= 1A  
Vin= 17V, Io= 1A  
Vo= 3.3V  
Vo= 5V  
80  
85  
90  
%
%
%
Vo= 12V  
Switching Frequency  
ƒo  
Over Vin range, Io=1.5A  
600  
650  
700  
kHz  
Absolute Maximum  
Operating Temperature Range  
Ta  
-40  
+85  
°C  
Recommended Operating  
Temperature Range  
Ta  
Free Air Convection, (40-60LFM)  
At Vin= 24V, Io=1.0A  
-40  
+80**  
°C  
Thermal Resistance  
Storage Temperature  
Mechanical Shock  
θja  
Ts  
Free Air Convection, (40-60LFM)  
45  
°C/W  
°C  
-40  
+125  
Per Mil-STD-883D, Method 2002.3  
500  
G’s  
Mechanical Vibration  
Per Mil-STD-883D, Method 2007.2,  
20-2000 Hz, soldered in a PC board  
5
G’s  
Weight  
6.5  
grams  
*ISR will operate down to no load with reduced specifications.  
**See Thermal Derating chart.  
Note: The PT78ST100 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications.  
For technical support and more information, see inside back cover or visit www.ti.com/powertrends  

PT78ST107ST 替代型号

型号 品牌 替代类型 描述 数据表
PT78ST107S TI

完全替代

1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR

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