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PT4500 Datasheet

  • PT4500

  • 20-W 24-V Input Isolated DC/DC Converter

  • 8頁

  • TI

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PT4500 Series
20-W 24-V Input Isolated
DC/DC Converter
SLTS153B - JUNE 2000 - REVISED OCTOBER 2002
Features
鈥?/div>
Input Voltage Range:
18V to 40V
鈥?/div>
20W Rated
鈥?/div>
Output Voltages: 1.2V to 15V
鈥?/div>
82% Efficiency
鈥?/div>
1500 VDC Isolation
鈥?/div>
Low Profile (8.5 mm)
鈥?/div>
Adjustable Output Voltage
On/Off Control
Differential Remote Sense
Short Circuit Protection
Over Temperature Shutdown
Space Saving Package:
1.0 sq. in. PCB Area (Suffix N)
鈥?/div>
4脳10
6
Hrs MTBF
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Description
The PT4500 Excalibur鈩?power modules
are a series of isolated DC/DC converters
housed a new space-saving copper case. The
series includes a number of standard output
voltages ranging from as low as 1.2VDC to
15VDC, each adjustable by up to 10% of
nominal. The modules are ideal for T
elecom,
Industrial, Computer, and other distributed
power applications that require input-to-output
isolation.
Using multiple modules, system designers
can implement a complete custom power supply
solution. The flexibility of full isolation also
allows the input or output to be configured for
negative voltage operation.
The PT4500 series is electrically equivalent
to the popular PT4140 series and requires no
additional components for proper operation.
Ordering Information
PT4501H
PT4502H
PT4503H
PT4504H
PT4506H
PT4507H
PT4508H
PT4509H
=
=
=
=
=
=
=
=
3.3V/5A
5.0V/4A
12V/1.6A
15V/1.3A
1.5V/5A
1.8V/5A
2.5V/5A
1.2V/5A
(16.5W)
Pin-Out Information
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Function
Remote On/Off
鈥揤in
鈥揤in
+Vin
+Vin
Remote Sense (鈥?
鈥揤out
鈥揤out
+Vout
+Vout
Remote Sense (+)
Vout Adjust
*
*
(7.5W)
(9W)
(12.5W)
(6W)
PT Series Suffix
(PT1234x )
Case/Pin
Configuration
Vertical
Horizontal
SMD
Order
Suffix
Package
Code
(ELJ)
(ELK)
(ELL)
N
A
C
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
* For further information, see
application notes.
Standard Application
Remote Sense (+)
11
+V
IN
鈥揤
IN
4, 5
9, 10
+V
OUT
LOAD
PT4500
2, 3
7, 8
1
12
6
鈥揤
OUT
Remote Sense (鈥?
V
O
Adj
Remote
On/Off
Q
1
BSS138
For technical support and more information, see inside back cover or visit www.ti.com

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