參數(shù)資料
型號： PT4686C
廠商： Texas Instruments, Inc.
英文描述： 20-A 24-V Input Dual Output Isolated DC/DC Converter
中文描述： 20，一個24 V輸入雙輸出隔離式DC / DC轉(zhuǎn)換器
文件頁數(shù)： 1/16頁
文件大小： 290K
代理商： PT4686C
For technical support and more information, see inside back cover or visit www.ti.com
Description
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
Features
Dual Outputs
(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)
Ordering Information
Pt. No.
PT 4681
PT 4682
PT 4683
PT 4685
PT 4686
PT 4687
Vo
1
/Vo
2
= 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
Typical Application
PT4680
+Vin
EN 1*
EN 2
–Vin
Vo
1
adj
Vo
2
adj
Vo
1
Vo
2
COM
9–12
21–24
14–19
L
O
A
D
L
O
A
D
Vo
1
Vo
2
V
1
Adjust
V
2
Adjust
+V
IN
–V
IN
20
13
1
4
3
2
COM
* Inverted logic
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
CSA 22.2 60950
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 Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
Order
Suffix
N
A
C
Package
C ode
(EKD)
(EKA)
(EKC)
PT4680 Series
20-A 24-V Input Dual Output
Isolated DC/DC Converter
SLTS141A
(Revised 1/28/2002)
相關(guān)PDF資料
PDF描述
PT4686N 20-A 24-V Input Dual Output Isolated DC/DC Converter
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PT4687A 20-A 24-V Input Dual Output Isolated DC/DC Converter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PT4686N 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2.5/1.8V 20A 2-Outp 24V Inp Iso DC/DC 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
PT4687 制造商:TI 制造商全稱:Texas Instruments 功能描述:20-A 24-V Input Dual Output Isolated DC/DC Converter
PT4687A 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5/1.8V 20A/2-Out 24V Inp Iso DC/DC 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
PT4687C 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5/1.8V 20A/2-Out 24V Inp Iso DC/DC 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
PT4687N 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5/1.8V 20A/2-Out 24V Inp Iso DC/DC 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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