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參數(shù)資料
| 型號： | PT4711N |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 45-W Dual-Output Isolated DC/DC Converter |
| 中文描述： | 45瓦雙輸出隔離式DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 336K |
| 代理商： | PT4711N |
For technical support and further information, visit http://power.ti.com
Features
Input Voltage: 36 V to 75 V
Dual Output (15 V / 15 V)
(Independently Regulated!)
Separate Output Returns
(Accommodates ±15 V or +30 V)
Internal Power-Up Sequencing
Flexible On/Off Control
Output Current Limit
Fixed Frequency Operation
Ordering Information
PT4711
= 15 V / 15 V
PT Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
(Reference the applicable package code drawing for
the dimensions and PC layout)
Order
Suffix
N
A
C
Package
Code
(ENM)
(ENN)
(ENP)
Typical Application
PT4711—48V
Description
The PT4711 Excalibur power
module is a 45-watt rated DC/DC
converter that produces two regu-
lated output supply voltages from a
standard (–48 V) telecom central
office supply.
Both of the outputs from this
module are truly independent. Each
is separately regulated and has its
own negative return. This allows the
flexibility of configuring the output
for up to three voltage options. This
includes a complimentary dual ±15-V,
or a single +30-V or –30-V output.
The PT4711 incorporates many
features to simplify system integra-
tion. These include a flexible On/Off
enable control, input under-voltage
lock-out, and over-temperature pro-
tection. All outputs are short-circuit
protected, and internally sequenced
for simultaneous power-up and power-
down.
The module is packaged in a
space-saving solderable copper case,
requires no heat sink, and can occupy
as little as 1.2 in
2
of PCB area.
Co
1
, Co
2
:
Recommended 150 μF
Optional 47 μF electrolytic
See On/Off Enable Logic
Cin:
EN1 & EN2 pins:
45-W Dual-Output Isolated
DC/DC Converter
Over-Temperature Shutdown
Under-Voltage Lockout
1500 VDC Isolation
Space-Saving Solderable Case
1.2 sq. in. PCB Area (suffix N)
Surface Mount Option
Safety Approvals (Pending):
UL 60950, cUL 60950
SLTS225 APRIL 2004
C
IN
+
Co
2
+
Co
1
+
+V
IN
–V
IN
PT4711
EN 2
EN 1
+Vo
1
+Vo
2
V
1
Adj
V
2
Adj
–Vo
1
+V
IN
–V
IN
14
17
18
21
16
1
4
3
2
20
–Vo
2
+15 V
–15 V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT472F100 | 制造商:n/a 功能描述:AF247X100 |
| PT4741 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:70-W Quad-Output DC/DC Converter for DSL |
| PT4741A | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 70W Quad-Outp 48V Inpt DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| PT4741C | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 70W Quad-Outp 48V Inpt DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| PT4741N | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 70W Quad-Outp 48V Inpt DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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