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參數(shù)資料
| 型號： | 78SR100 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1.5A Wide Input Positive Step-Down ISR Family |
| 中文描述： | 1.5A 輸出的寬輸入正步降 ISR 系列 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 214K |
| 代理商： | 78SR100 |
For assistance or to order, call
(800) 531-5782
7 8 S R 1 0 0
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.powertrends.com
2
Revised 6/30/98
Standard Application
C1 = Optional 1μF ceramic
C2
= Optional 1μF ceramic
Pin-Out Information
Pin
1
2
3
Function
V
in
GND
V
out
Ordering Information
78SR1
XX
Y
05
= 5.0 Volts
53
= 5.25 Volts
06
= 6.0 Volts
74
= 7.15 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
Package Suffix
V
= Vertical Mount
S
= Surface Mount
H
= Horizontal
Mount
1.5 AMP POSITIVE STEP-DOWN
INTEGRATED SWITCHING REGULATOR
Very Small Footprint
High Efficiency > 85%
Self-Contained Inductor
Internal Short-Circuit Protection
Over-Temperature Protection
Wide Input Range
The 78SR100 is a series of wide input
voltage, 3-terminal Integrated Switching
Regulators (ISRs). These ISRs have a maxi-
mum output current of 1.5A and an output
voltage that is laser trimmed to a variety of
industry standard voltages.
These 78 series regulators have excellent
line and load regulation with internal short-
circuit and over-temperature protection, are
very flexible, and may be used in a wide
variety of applications.
S e r i e s
Output Voltage
Specifications
Characteristics
(T
a
= 25°C unless noted)
Output Current
Short Circuit Current
Input Voltage Range
78SR100 SERIES
Min
0.1*
—
7
14.5
Symbols
I
o
I
sc
V
in
Conditions
Over V
in
range
V
in
= V
in
min
0.1
≤
I
o
≤
1.5A
Typ
—
3.5
—
—
Max
1.5
—
30
30
Units
A
Apk
V
V
V
o
= 5V
V
o
= 12V
Output Voltage Tolerance
V
o
Over V
range, I
o
=1.5A
T
a
= 0°C to +60°C
Over V
in
range
0.1
≤
I
o
≤
1.5A
V
in
= 9V, I
o
= 1.5A
V
in
= 16V, I
o
= 1.5A
50% load change
V
o
over/undershoot
V
in
= 10V, I
o
= 1A
V
in
= 17V, I
o
= 1A
Over V
in
range, I
o
=1.5A
—
—
±1.0
±2.0
%Vo
Line Regulation
Load Regulation
Reg
line
Reg
load
V
n
—
—
±0.2
±0.1
±0.4
±0.2
%Vo
%Vo
mV
pp
mV
pp
μSec
%Vo
%
%
kHz
V
o
Ripple/Noise
V
o
= 5V
V
o
= 12V
—
50
80
100
30
85
90
650
—
Transient Response
t
tr
—
—
—
—
600
—
—
—
—
700
Efficiency
η
V
o
= 5V
V
o
= 12V
Switching Frequency
Absolute Maximum
Operating Temperature Range
Recommended Operating
Temperature Range
Thermal Resistance
Storage Temperature
Mechanical Shock
Mechanical Vibration
o
T
a
-40
—
+85
°C
T
a
Free Air Convection, (40-60LFM)
At V
in
= 24V, I
o
=1.0A
Free Air Convection, (40-60LFM)
—
Per Mil-STD-883D, Method 2002.3
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, soldered in a PC board
—
-40
—
+80**
°
C
θ
ja
T
s
—
—
—
-40
—
45
—
500
—
+125
—
—
°C/W
°C
G’s
—
5
G’s
Weight
—
—
6.5
—
grams
*ISR will operate down to no load with reduced specifications.
**See Thermal Derating chart.
78SR100
Vout
GND
GND
Vin
C1
1
2
3
C2
Pkg Style 500
相關(guān)PDF資料 |
PDF描述 |
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| 78SR100SERIES | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
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| 78SR115TC | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 78SR100_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
| 78SR100KLF | 制造商:TT Electronics / BI Technologies 功能描述:78SR100KLF |
| 78SR100LF | 制造商:TT Electronics / BI Technologies 功能描述:78SR100LF |
| 78SR100SERIES | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
| 78SR105 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
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