鈥?/div>
Wide Input Range
The PT5100 Series is Power
Trends鈥?line of economical, easy-to-
use, 1 Amp positive step-down, 3-ter-
minal Integrated Switching Regulators
(ISRs) designed for pin compatibility
with linear regulators. These ISRs can
be used in a wide variety of on-board
power regulation applications including
computer, data storage, industrial con-
trols, medical, and battery powered
equipment. The series of ISRs has ex-
cellent line and load regulation and
laser-trimmed output voltage.
Pin-Out Information
Pin
1
2
3
3
Ordering Information
PT5101簍
PT5102簍
PT5103簍
PT5105簍
PT5107簍
PT5109簍
PT5110簍
PT5111簍
PT5112簍
= + 5 Volts
= + 12 Volts
= + 3.3 Volts
= + 6.5 Volts
= + 15 Volts
= + 5.6 Volts
= + 9 Volts
= + 10 Volts
= + 8 Volts
PT Series Suffix
(PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
Function
V
in
GND
V
out
Standard Application
Vin
1
N
A
C
PT5100
2
Vout
Pkg Style 100
C2
+
COM
C1
COM
C
1
= Optional 1碌F ceramic
C
2
= Required 100碌F electrolytic
Specifications
Characteristics
(T
a
=25擄C unless noted)
Output Current
Short Circuit Current
Input Voltage Range
PT5100 SERIES
Symbols
I
o
I
sc
V
in
Conditions
Over V
in
range
V
in
= V
in
min
0.1
鈮?/div>
I
o
鈮?/div>
1.0 A
V
o
= 3.3V
V
o
= 5V
V
o
= 12V
V
o
= 15V
Min
0.1*
鈥?/div>
9
9
16
19
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
575
500
-20
Free Air Convection, V
o
= 3.3V
(40-60LFM)
V
o
= 5V
At V
in
= 24V, I
o
=0.75A V
o
= 12V
Free Air Convection
(40-60LFM)
V
o
= 3.3V
V
o
= 5V
V
o
= 12V/15V
-20
-20
-20
鈥?/div>
鈥?/div>
鈥?/div>
-40
Per Mil-STD-883D, Method 2002.3
1 msec, Half Sine, mounted to a fixture
Per Mil-STD-883D, Method 2007.2
20-2000 Hz, Soldered in a PC board
鈥?/div>
鈥?/div>
鈥?/div>
Typ
鈥?/div>
3.5
鈥?/div>
Max
1.0
鈥?/div>
26
38
38
38
鹵3.0
鹵1.0
鹵1.0
鈥?/div>
200
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
875
800
+85
+80**
+80**
+80**
鈥?/div>
鈥?/div>
鈥?/div>
+125
鈥?/div>
鈥?/div>
鈥?/div>
Units
A
Apk
V
V
V
V
%V
o
%V
o
%V
o
%V
o
碌Sec
%V
o
%
%
%
%
kHz
擄C
擄C
擄C/W
擄C
G鈥檚
G鈥檚
grams
Output Voltage Tolerance
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
o
= 100碌F
Efficiency
鈭哣
o
Reg
line
Reg
load
V
n
t
tr
V
os
畏
Over V
in
Range, I
o
= 1.0 A
T
a
= 0擄C to +60擄C
Over V
in
range
0.1
鈮?/div>
I
o
鈮?/div>
1.0 A
V
in
=V
in
min, I
o
=1.0 A
25% load change
V
o
over/undershoot
V
in
=9V, I
o
=0.5A, V
o
=3.3V
V
in
=9V, I
o
=0.5A, V
o
=5V
V
in
=16V, I
o
=0.5A, V
o
=12V
V
in
=19V, I
o
=0.5A, V
o
=15V
Over V
in
and I
o
ranges, V
o
= 3.3V
V
o
= >5V
鹵1.5
鹵0.5
鹵0.5
鹵2
100
5.0
82
85
90
92
725
650
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
45
50
60
鈥?/div>
500
5
4.5
Switching Frequency
Absolute Maximum
Operating Temperature Range
Recommended Operating
Temperature Range
Thermal Resistance
茠
o
T
a
T
a
胃
ja
T
s
Storage Temperature
Mechanical Shock
Mechanical Vibration
Weight
* ISR will operate down to no load with reduced specifications.
**See Thermal Derating chart.
Note:
The PT5100 Series requires a 100碌F electrolytic or tantalum output capacitor for proper operation in all applications.
4
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.powertrends.com
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