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PT78NR105H PDF预览

PT78NR105H

更新时间: 2024-11-22 22:24:59
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关
页数 文件大小 规格书
6页 201K
描述
1 Amp Plus to Minus Voltage Integrated Switching Regulator

PT78NR105H 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete包装说明:, SIP3H,1.0
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.72
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
最大输入电压:25 V最小输入电压:7 V
标称输入电压:10 VJESD-30 代码:R-XSMA-T3
功能数量:1端子数量:3
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1 A封装主体材料:UNSPECIFIED
封装等效代码:SIP3H,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:NO切换器配置:SINGLE
最大切换频率:700 kHz技术:HYBRID
温度等级:INDUSTRIAL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

PT78NR105H 数据手册

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PT78NR100 Series  
1 Amp Plus to Minus Voltage  
Integrated Switching Regulator  
SLTS058B  
(Revised 8/31/2000)  
Negative output from positive input  
Wide Input Range  
Self-Contained Inductor  
Short Circuit Protection  
Over-Temperature Protection  
Fast Transient Response  
The PT78NR100 Series creates a  
negative output voltage from a posi-  
tive input voltage greater than 7V.  
These easy-to-use, 3-terminal, Inte-  
grated Switching Regulators (ISRs)  
have maximum output power of 5  
watts and a negative output voltage  
that is laser trimmed. They also have  
excellent line and load regulation.  
Pin-Out Information  
Ordering Information  
Pin Function  
PT 78NR1  
XX Y  
1
2
3
+V  
in  
Standard Application  
-Vout  
Output Voltage  
Package Suffix  
GND  
03 = -3.0 Volts  
05 = -5.0 Volts  
52 = -5.2 Volts  
06 = -6.0 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  
COM  
1
2
PT78NR100  
3
+
C2  
C1  
COM  
+
C1 = Required 100µF electrolytic (1)  
C2 = Required 100µF electrolytic (1)  
Pkg Style 500  
Specifications  
PT78NR100 SERIES  
Typ Max  
Characteristics  
(T = 25°C unless noted)  
a
Symbols  
Conditions  
Min  
Units  
Output Current  
Io  
Over Vin range Vo=-5V  
Vo=-6V  
0.05 (2)  
1.00  
0.8  
(2)  
0.05  
(2)  
Vo=-7, -8, -9V  
0.05  
0.55  
0.5  
A
Vo=-10V  
0.05 (2)  
(2)  
Vo=-12V  
0.05  
0.40  
0.30  
(2)  
Vo=-13.9, -15V  
0.05  
Short Circuit Current  
Inrush Current  
Isc  
Vin=10V  
4×Imax  
Apk  
Iir  
tir  
Vin=10V  
4
A
On start-up  
0.5  
mSec  
Input Voltage Range  
Vin  
0.1 Io Imax  
Vo=-5V  
7
7
7
7
25  
21  
18  
15  
V
V
V
V
Vo=-6, -7, -8, -9V  
Vo=-10, -12V  
Vo=-13.9, -15V  
Output Voltage Tolerance  
Vo  
Over Vin range  
±1.0  
±3.0  
%Vo  
Ta=-20°C to +70°C  
Over Vin range  
0.1 Io Imax  
Line Regulation  
Load Regulation  
Vo Ripple/Noise  
Regline  
Regload  
Vn  
±0.5  
±0.5  
±2  
±1.0  
±1.0  
%Vo  
%Vo  
%Vo  
Vin=10V, Io=Imax  
Transient Response  
(with 100µF output cap)  
ttr  
50% load change  
Vo over/undershoot  
100  
5.0  
250  
µSec  
%Vo  
Efficiency  
η
Vin=10V, Io=0.5×Imax, Vo = -5V  
75  
%
Switching Frequency  
ƒo  
Ta  
Over Vin and Io ranges  
600  
650  
700  
kHz  
Absolute Maximum  
Operating Temperaturte Range  
Free Air Convection, (40-60LFM)  
Over Vin Range  
-40  
+85 (3)  
°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  
Notes: (1) The PT78NR100 Series requires a 100µF electrolytic or tantalum capacitor at both the input and output for proper operation in all applications. The input  
capacitor, C1 must have a ripple current rating 600 mArms, and an ESR 0.2.  
(2) The ISR will operate down to no load with reduced specifications.  
(3) See Thermal Derating chart.  
For technical support and more information, see inside back cover or visit www.ti.com/powertrends  

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