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PT4662

更新时间： 2024-11-17 21:55:23
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
16页 288K
描述
20-A 24-V Input Dual Output Isolated DC/DC Converter

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PT4680 Series  
20-A 24-V Input Dual Output  
Isolated DC/DC Converter  
SLTS141A  
(Revised 1/28/2002)  
Features  
• Dual Outputs  
• Dual Logic On/Off Control  
• Over-Temperature Shutdown  
• Over-Voltage Protection  
(Coordinated Shutdown)  
• Under-Voltage Lockout  
• Input Differential EMI Filter  
• Solderable Copper Case  
• Safety Approvals (Pending):  
UL 60950  
(Independently Regulated)  
• Power-up/Down Sequencing  
• Input Voltage Range:  
18V to 36V  
• 1500 VDC Isolation  
• Temp Range: –40° to 100°C  
• High Efficiency: 88%  
• Fixed Frequency Operation  
• Over-Current Protection  
(Both Outputs)  
CSA 22.2 60950  
Description  
Ordering Information  
current limit, over-temperature pro-  
tection, and an input under-voltage  
lock-out. In addition, both output  
voltages are designed to meet the  
power-up/power -down sequencing  
requirements of popular DSP ICs.  
The PT4680 series is housed in  
space-saving solderable copper case.  
The package does not require a  
heatsink and is available in both  
vertical and horizontal configura-  
tions, including surface mount. The  
‘N’ configuration occupies less than 2  
in² of PCB area.  
Pt. No.  
Vo1/Vo2  
The PT4680 Excalibur™ Series  
is a dual-output isolated DC/DC  
converter that combine state-of-the-  
art power conversion technology with  
unparalleled flexibility. Operating  
from a (–24V) industry standard input  
bus, the PT4680 series provides up to  
20 ADC of output current from two  
independently regulated voltages  
(each output 15 ADC max).  
The PT4680 series is characterized  
with high efficiencies and ultra-fast  
transient response, and incorporates  
many features to facilitate system  
integration. These include a flexible  
“On/Off” enable control, output  
PT 4681o  
PT 4682o  
PT 4683o  
PT 4685o  
PT 4686o  
PT 4687o  
= 5.0/3.3 Volts  
= 3.3/2.5 Volts  
= 3.3/1.8 Volts  
= 3.3/1.5 Volts  
= 2.5/1.8 Volts  
= 5.0/1.8 Volts  
PT Series Suffix  
(PT1234x)  
Case/Pin  
Configuration  
O rder  
Suffix  
Package  
Code  
Vertical  
Horizontal  
SMD  
N
A
C
(EKD)  
(EKA)  
(EKC)  
(Reference the applicable package code draw-  
ing for the dimensions and PC board layout)  
Typical Application  
V1 Adjust  
V2 Adjust  
20  
13  
Vo 2 adj  
Vo1 adj  
Vo 1  
Vo 2  
+VIN  
9–12  
Vo1  
1
3
+Vin  
21–24  
Vo2  
PT4680  
L
O
A
D
L
O
A
D
EN 1*  
4
EN  
2
–V IN  
C O M  
2
14–19  
–Vin  
COM  
* Inverted logic  
For technical support and more information, see inside back cover or visit www.ti.com  
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