參數(shù)資料
型號(hào): PT4841
英文描述: 15V/3.3V/1.5V 48V-Input 65 Watt Triple-Output DC/DC Converter
中文描述: 15V/3.3V/1.5V 48V的輸入65瓦三輸出DC / DC變換器
文件頁(yè)數(shù): 1/14頁(yè)
文件大?。?/td> 216K
代理商: PT4841
For technical support and more information, see inside back cover or visit www.ti.com
Features
DSL Triple Outputs
(Independantly Regulated)
Input Voltage Range:
36V to 75V
1500VDC Isolation
On/Off Control
Current Limit
Short Circuit Protection
(All Outputs)
Ordering Information
PT4841
= +15/+3.3/+1.5V
PT4842
= +12/+3.3/+1.8V
(65W)
(62W)
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
(EKD)
(EKA)
(EKC)
Typical Application
PT4840 Series—48V
Description
The PT4840 Excalibur power
modules are a series of isolated triple-
output DC/DC converters that
operate from a standard (–48V) central
office supply. Rated for up to 65W,
these regulators are appropriate for
powering both analog and mixed-
signal circuitry. A typical application
is a chip-set for an ADSL/DSL line
card.
The output voltage combinations
offered by the PT4840 series provide
power for a low-voltage processor
core, the associated digital circuitry,
and analog support circuitry.
The PT4840 series incorporates
many features to simplify system
integration. These include a flexible
On/Off control, over-temperature
protection, and an input under-
voltage lock-out. All outputs are
current limited and short-circuit
protected. In addition, the low-
voltage outputs for processor core
and digital circuitry meet the power-
up and power-down sequencing
requirements of popular DSP ICs.
The PT4840 series is housed in
a space-saving solderable case. The
module requires no external heat sink
and can occupy as little as 1.97 in
2
of
PCB area.
Cin
Cout
EN1 & EN2 pins: See On/Off Enable Logic
= Optional
= Optional; See specifications
65-W Triple Output Isolated DC/DC
Converter for DSL Applications
SLTS142C - DECEMBER 2000 -REVISED SEPTEMBER 2002
DSL/ADSL
IC Chip Set
+V
IN
–V
IN
+15VDC
+3.3VDC
+1.5VDC
PT4841
1
2
11
15,16
22,23
18–20
12,13
3
Vo
1
COM
COM
Vo
2
Vo
3
+V
IN
–V
IN
EN 1
Vo
2
adj
Vo
3
adj
17
21
Vo
2
Adjust
Vo
3
Adjust
C
OUT1
C
OUT3
C
OUT2
C
IN
4EN 2
Fixed Frequency Operation
Over-Temperature Shutdown
Under-Voltage Lockout
Space Saving Package:
1.9 sq. in. PCB Area (suffix N)
Solderable Copper Case
Safety Approvals:
UL60950
CSA 22.2 950
VDE EN60950
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PT4841A 功能描述:DC/DC轉(zhuǎn)換器 15/3.3/1.5V 48V-Inp 65W 3-Output DC-DC RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標(biāo)稱): 輸出端數(shù)量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
PT4841C 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC to DC Converter
PT4841N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC to DC Converter
PT4842 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12V/3.3V/1.8V 48V-Input 62-Watt Triple-Output DC/DC Converter
PT4842A 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 12/3.3/1.8V 48V-Inp 62W 3-Out DC-DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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