鈥?/div>
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.
Pin-Out Information
Pin
1
Ordering Information
Function
V
in
GND
V
out
78SR1
XX
Output Voltage
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
Y
C
Package Suffix
V
= Vertical Mount
S
= Surface Mount
H
= Horizontal
Mount
Standard Application
Vin
1
2
3
3
78SR100
2
Vout
C1
GND
C2
GND
C1 = Optional 1碌F ceramic
C2 = Optional 1碌F ceramic
Specifications
Characteristics
(T
a
= 25掳C unless noted)
Output Current
Short Circuit Current
Input Voltage Range
Output Voltage Tolerance
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
Efficiency
Switching Frequency
Absolute Maximum
Operating Temperature Range
Recommended Operating
Temperature Range
Thermal Resistance
Storage Temperature
Mechanical Shock
Mechanical Vibration
Weight
Symbols
I
o
I
sc
V
in
鈭哣
o
Reg
line
Reg
load
V
n
t
tr
畏
茠
o
T
a
T
a
Pkg Style 500
78SR100 SERIES
Conditions
Over V
in
range
V
in
= V
in
min
Min
0.1*
鈥?/div>
V
o
= 5V
V
o
= 12V
7
14.5
鈥?/div>
鈥?/div>
鈥?/div>
V
o
= 5V
V
o
= 12V
鈥?/div>
鈥?/div>
鈥?/div>
V
o
= 5V
V
o
= 12V
鈥?/div>
鈥?/div>
600
-40
-40
鈥?/div>
-40
鈥?/div>
鈥?/div>
鈥?/div>
Typ
鈥?/div>
3.5
鈥?/div>
鈥?/div>
卤1.0
卤0.2
卤0.1
50
80
100
30
85
90
650
鈥?/div>
鈥?/div>
45
鈥?/div>
500
5
6.5
Max
1.5
鈥?/div>
30
30
卤2.0
卤0.4
卤0.2
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
700
+85
+80**
鈥?/div>
+125
鈥?/div>
鈥?/div>
鈥?/div>
Units
A
Apk
V
V
%Vo
%Vo
%Vo
mV
pp
mV
pp
碌Sec
%Vo
%
%
kHz
掳C
掳C
掳C/W
掳C
G鈥檚
G鈥檚
grams
0.1
鈮?/div>
I
o
鈮?/div>
1.5A
Over V
in
range, I
o
=1.5A
T
a
= 0掳C to +60掳C
Over V
in
range
0.1
鈮?/div>
I
o
鈮?/div>
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
鈥?/div>
Free Air Convection, (40-60LFM)
At V
in
= 24V, I
o
=1.0A
Free Air Convection, (40-60LFM)
鈥?/div>
Per Mil-STD-883D, Method 2002.3
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, soldered in a PC board
鈥?/div>
**See Thermal Derating chart.
胃
ja
T
s
鈥?/div>
鈥?/div>
鈥?/div>
*ISR will operate down to no load with reduced specifications.
2
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.powertrends.com
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