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PT4660

更新时间： 2024-11-21 12:21:47
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德州仪器 - TI 转换器
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16页 326K
描述
30-A Dual Output Isolated DC/DC Converter

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PT4660 数据手册

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PT4660 Series  
30-A Dual Output Isolated  
DC/DC Converter  
SLTS140C – MAY 2001 – REVISED OCTOBER 2003  
Features  
• Dual 15-A Outputs  
• Dual Logic On/Off Control  
• Over-Temperature Shutdown  
• Over-Voltage Protection  
(Coordinated Shutdown)  
• Under-Voltage Lockout  
• Input Differential EMI Filter  
• IPC Lead Free 2  
• Safety Approvals:  
UL1950  
(Independantly Regulated)  
• Power-up/Down Sequencing  
• Input Voltage Range:  
36 V to 75 V  
• 1500 VDC Isolation  
• Temp Range: –40 to 100 °C  
• High Efficiency: 88 %  
• Fixed Frequency Operation  
• Over-Current Protection  
(Both Outputs)  
CSA 22.2 950  
Description  
Ordering Information  
protection, and an input under-voltage  
lockout (UVLO). In addition, both  
output voltages are designed to meet  
the power-up/power-down sequenc-  
ing requirements of popular DSPs.  
The PT4660 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 PT4660 Excalibur™ Series  
is a 30-A rated, dual-output isolated  
DC/DC converter that combines  
state-of-the-art power conversion  
technology with unparalleled flex-  
ibility. These modules operate from  
a standard telecom (–48 V) central  
office (CO) supply to produce two  
independantly regulated outputs.  
The PT4660 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  
current limit, over-temperature  
PT4661o  
PT4662o  
PT4663o  
PT4665o  
PT4666o  
PT4667o  
PT4668o  
= 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  
= 3.3/1.2 Volts  
PT Series Suffix  
(PT1234x)  
Case/Pin  
Order  
Package  
Configuration  
Suffix  
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  
PT4660  
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 further information, visit http://power.ti.com  
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