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PT4585

更新时间： 2024-11-17 22:44:19
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德州仪器 - TI 转换器
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9页 183K
描述
30-W 24/48-V Input Isolated DC/DC Converter

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PT4580 Series  
30-W 24/48-V Input  
Isolated DC/DC Converter  
SLTS119A  
(Revised 3/14/2002)  
Features  
• Input Voltage Range:  
18V to 60V  
• 1500 VDC Isolation  
• On/Off Control  
• Vo Adjust  
• Differential Remote Sense  
• Current Limit  
• Undervoltage Lockout  
• Space-Saving Package  
• Solderable Copper Case  
• UL1950 Recognized  
• CSA 22.2 950 Certified  
• EN60950 Approved  
• VDE Licensed  
• 5 x106 Hrs MTBF  
• Meets FCC Class A  
Radiated Limits  
• Short-Circuit Protection  
• Over-Temperature Shutdown  
Description  
Ordering Information  
Pin-Out Information  
The PT4580 series is a single-output  
isolated DC/DC converter, housed in a  
19-pin space-saving package. These mod-  
ules are UL, CSA, and VDE approved  
for telecom applications, and rated at  
30W or 8A. The 18V to 60V input range  
allows easy integration into many distrib-  
uted power applications which utilize 24V  
bus architectures.  
Standard output voltages range from  
1.8V to 15V, and are each adjustable by  
up to 10ꢀ. Operating features include  
a Remote On/Off control, an under-voltage  
lockout (UVLO), and a differential re-  
mote sense. Protection features include  
an output current limit, short-circuit  
protection, and over-temperature shut-  
down.  
PT 4581r = 3.3V/8A (26.4W)  
PT 4582r = 5.0V/6A  
PT 4583r = 12.0V/2.5A  
PT 4584r = 15.0V/2A  
PT 4585r = 1.8V/8A (14.4W)  
Pin Function  
1
2
3
4
5
6
7
8
9
Do Not Use  
Remote On/Off †  
Do Not Use  
-V  
in  
-V  
-V  
in  
in  
+V  
in  
+V  
in  
+V  
in  
PT Series Suffix  
(PT1234x)  
10 -V  
o
Case/Pin  
Configuration  
O rder  
Suffix  
Package  
Code *  
11 -V  
o
o
12 -V  
Vertical  
Horizontal  
SMD  
N
A
C
(END)  
(ENA)  
(ENC)  
13 -Remote Sense  
14 +V  
o
15 +V  
o
* Previously known as package styles 1400 &  
1410.  
16 +V  
o
17 +V  
o
o
(Reference the applicable package code draw-  
ing for the dimensions and PC board layout)  
18  
V Adjust †  
19 +Remote Sense  
A 330µF output capacitor is required  
for proper operation.  
†For more information,  
see application notes.  
Standard Application  
VO Adjust  
+REMOTE SENSE  
18  
19  
+VIN  
+VO  
7, 8,  
9
14-17  
PT4580  
L
O
A
D
2
4-6  
13  
10-12  
+
+
CIN  
COUT  
Q 1  
R 1  
Inhibit  
–VO  
C 1  
–VIN  
–REMOTE SENSE  
C
C
Q1  
= Optional 100µF/100V electrolytic  
= Required 330µF electrolytic (See Notes)  
= N-Channel MOSFET  
in  
out  
R1/C1 = Optional (see application notes)  
For technical support and more information, see inside back cover or visit www.ti.com  
1234567...9

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