鈥?/div>
Meets EN60950
The PT4100鈥?4V series of dc/dc
converters provide 18 Watts/in
3
of isolated
power in a single low-profile module. De-
signed to operate from a standard 24V
telecom bus, these modules employ
switching frequencies of up to 850kHz,
planar magnetics, and surface-mount con-
struction. They are designed for Telecom,
Industrial, Computer, Medical, and other
distributed power applications that require
input-to-output isolation.
Specifications
Characteristics
(T
a
=25擄C unless noted)
Output Current
Standard Application
PT4100鈥?4V SERIES
Symbols
I
o
I
cl
I
in standby
I
sc
I
ir
t
ir
V
in
鈭哣
o
Reg
line
Reg
load
V
n
t
tr
畏
Conditions
Over V
in
range,
V
in
= 18V,
V
o
= 5V
V
o
= 12V
V
o
= 15V
V
o
= 5V
V
o
= 12V
V
o
= 15V
V
o
= 5V
V
o
= 12V
V
o
= 15V
Min
0
0
0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
18.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
800
600
-40
鈥?/div>
鈥?/div>
-40
Per Mil-STD-202F, Method 213B,
6mS, Half-sine, mounted to a PCB
鈥?/div>
Typ
鈥?/div>
鈥?/div>
鈥?/div>
4.0
1.75
1.4
7
6.25
2.5
2.0
1.0
1.0
24.0
鹵1.0
鹵0.2
鹵0.4
75
75
100
125
3.0
82
82
83
850
650
鈥?/div>
12
鈥?/div>
鈥?/div>
50
Max
3.0
1.25
1.0
鈥?/div>
鈥?/div>
鈥?/div>
10
鈥?/div>
鈥?/div>
鈥?/div>
2.0
5.0
40.0
鹵2.0
鹵1.0
鹵1.0
100
150
200
200
5.0
鈥?/div>
鈥?/div>
鈥?/div>
900
700
+85
(1)
鈥?/div>
100
110
鈥?/div>
Units
A
On/Off
1
+Vin
-Vin
3
2
5
+Vout
-Vout
PT4100
4
Current Limit
A
mA
A
On/Off Standby Current
Short Circuit Current
V
in
= 24V, Pin 1 = -V
in
V
in
= 24V,
V
in
= 24V @ max I
o
On start-up
I
o
= 0.1 to max I
o
Over V
in
Range
T
A
= -40擄C to +85擄C
Over V
in
range @ max I
o
10% to 100% of I
o
max
V
in
=24V, I
o
=3.0A, V
o
=5V
V
in
=24V, I
o
=1.25A, V
o
=12V
V
in
=24V, I
o
=1.25A, V
o
=15V
50% load change
V
o
over/undershoot
V
in
=24V, I
o
=3.0A, V
o
=5V
V
in
=24V, I
o
=1.25A, V
o
=12V
V
in
=24V, I
o
=1A, V
o
=15V
Over V
in
and I
o
,
V
o
=5V
V
o
=12V/15V
Pin-Out Information
A
mSec
V
%V
o
%V
o
%V
o
mV
pp
碌Sec
%V
o
%
kHz
擄C
擄C/W
擄C
擄C
G鈥檚
Inrush Current
Input Voltage Range
Output Voltage Tolerance
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
Efficiency
Pin
1
2
3
4
5
6
Function
Remote
ON/OFF
-V
in
+V
in
-V
out
+V
out
Do not connect
Ordering Information
Through-Hole
PT4104A
= 5 Volts
PT4105A
= 12 Volts
PT4106A
= 15 Volts
Surface Mount
PT4104C
= 5 Volts
PT4105C
= 12 Volts
PT4106C
= 15 Volts
(For dimensions and PC
board layout, see Package
Style 710.)
Switching Frequency
Recommended Operating
Temperature Range
Thermal Resistance
Case Temperature
Storage Temperature
Mechanical Shock
茠
o
T
a
V
in
= 24V @ max I
o
Free air convection, (40-60LFM)
Free air convection, (40-60LFM)
@ Thermal shutdown
胃
ja
T
c
T
s
鈥?/div>
Mechanical Vibration
Weight
Isolation
Capacitance
Resistance
Flammability
Remote On/Off
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
On
Off
(2)
Per Mil-STD-202F, Method 204D,
10-500Hz, Soldered in a PCB
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Materials meet UL 94V-0
Referenced to 鈥揤
in
鈥?/div>
鈥?/div>
1500
鈥?/div>
10
2.5
0
10
28
鈥?/div>
1100
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
7.0
0.8
G鈥檚
grams
V
pF
M鈩?/div>
V
Notes:
(1) See thermal derating curves.
(2) If pin2 is left open, the converter will operate when input power is applied.
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
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