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PT3101A View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
PT3101A 15 WATT 48V TO 5V/12V/15V ISOLATED DC-DC CONVERTER TI
Texas Instruments TI
PT3101A Datasheet PDF : 3 Pages
1 2 3
For assistance or to order, call (800) 531-5782
PT3100 Series
48V
Application Notes
Mechanical Outline
Product Selector Guide
15 WATT 48V TO 5V/12V/15V
ISOLATED DC-DC CONVERTER
Revised 8/13/98
Power Density 15 Watts/in3
Wide Input Voltage Range
36V to 75V
80% Efficiency
500 VDC Isolation
Industry’s Smallest Footprint
Fast Transient Response
No External Components Required
Power Trends’ PT3101A (5V),
PT3102A (12V) and PT3103A (15V)
Isolated DC-DC Converters advance the
state-of-the-art for board-mounted con-
verters by employing high switching
frequencies greater than 650 KHz and
planar magnetics and surface-mount
construction. They feature the industry’s
smallest footprint, a power density of
15 Watts/in3, and operate at 80% effi-
ciency. They are designed for Telecom,
Industrial, Computer, Medical, and other
distributed power applications requiring
input-to-output isolation.
Specifications
Characteristics
(Ta=25°C unless noted)
Output Current
Symbols
Io
Current Limit
Icl
On/Off Standby Current
Short Circuit Current
Iin standby
Isc
Inrush Current
Iir
tir
Input Voltage Range
Vin
Output Voltage Tolerance Vo
Ripple Rejection
Line Regulation
Load Regulation
Vo Ripple/Noise
RR
Regline
Regload
Vn
Transient Response
ttr
Efficiency
η
Switching Frequency
ƒo
Recommended Operating Ta
Temperature Range
Thermal Resistance
θja
Case Temperature
Tc
Storage Temperature
Ts
Mechanical Shock
Mechanical Vibration
Weight
Isolation
Capacitance
Resistance
Flammability
Remote On/Off
On
Off
* See Thermal Derating Curves
Conditions
Over Vin range
Vo = 5V
Vo = 12V
Vo = 15V
Vin = 36V
Vo = 5V
Vo = 12V
Vo = 15V
Vin = 48V, Pin 1 = -Vin
Vin = 48V
Vo = 5V
Vo = 12V
Vo = 15V
Vin = 48V @ max Io
On start-up
Io = 0.1 to max Io
Over Vin Range
TA= -20°C to 70°C
Over Vin range @ 120 Hz
Over Vin range @ max Io
10% to 100% of Io max
Vin=48V, Io=3.0A, Vo=5V
Vin=48V, Io=1.25A, Vo=12V
Vin=48V, Io=1.0A, Vo=15V
50% load change
Vo over/undershoot
Vin=48V, Io=3.0A, Vo=5V
Vin=48V, Io=1.25A, Vo=12V
Vin=48V, Io=1A, Vo=15V
Over Vin and Io, Vo=5V
Vo=12V/15V
Vin = 48V @ max Io
Free air convection, (40-60LFM)
Free Air Convection, (40-60LFM)
@ Thermal shutdown
Per Mil-STD-202F, Method 213B,
6mS, Half-sine, mounted to a PCB
Per Mil-STD-202F, Method 204D,
10-500Hz, Soldered in a PCB
Materials meet UL 94V-0
Open or 2.5 to 7.0 VDC above -Vin
Short or 0 to 0.8 VDC above -Vin
PT3100 SERIES
Min
Typ
0
0
0
4.00
1.75
1.4
7
5.5
3.5
2.0
0.6
1.0
36.0 48.0
±1.0
60
±0.2
±0.4
75
120
100
100
3.0
79
80
80
800
850
600
650
-20
16
-40
50
10
28
500
1100
10
Max
3.0
1.25
1.0
10
1.0
5.0
75.0
±2.0
±1.0
±1.0
100
150
200
200
5.0
900
700
+70*
100
110
Units
A
A
A
A
A
A
mA
A
A
A
A
mSec
V
%Vo
dB
%Vo
%Vo
mVpp
mVpp
mVpp
µSec
%Vo
%
%
%
kHz
kHz
°C
°C/W
°C
°C
G’s
G’s
grams
V
pF
M
Standard Application
On/Off
+Vin
-Vin
1
3
5
PT3100
2
4
+Vout
-Vout
Pin-Out Information
Pin Function
1
Remote
ON/OFF
2
-Vin
3
+Vin
4
-Vout
5
+Vout
6
Do not connect
Ordering Information
Through-Hole
PT3101A = 5 Volts
PT3102A = 12 Volts
PT3103A = 15 Volts
Surface Mount
PT3101C = 5 Volts
PT3102C = 12 Volts
PT3103C = 15 Volts
(For dimensions and PC
board layout, see Package
Style 700.)
68
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
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