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參數(shù)資料
| 型號： | PT4471C |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SMD-26 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 180K |
| 代理商： | PT4471C |
For technical support and more information, see inside back cover or visit www.ti.com
Standard Application
Features
18V to 36V Input Voltage Range
Programmable Output Voltage
Range: 1.3V to 3.5V
-40° to +85°C Ambient
1500 VDC Isolation
89% Efficiency
On/Off Inhibit
Differential Remote Sense
N+1 Current Sharing
SLTS093B
(Revised 6/21/2002)
Description
The PT4471 Excalibur DC/DC
converter module combines state-of-the-
art power conversion technology with
un-paralleled flexibility. Incorporating
high efficiency and ultra-fast transient
response, these modules provide up to
30A of output current over the program-
mable voltage range of 1.3V to 3.5V.
This represents a full 100W output at
3.3V.
The modules include a number of
inbuilt features to facilitate system
integration. These include a foldback
output current limit, over-temperature
protection, and an inhibit on/off control.
A differential remote sense is also provided
to compensate for voltage drop between
the converter and load.
For applications requiring power
supply redundancy, multiple PT4471
modules may connected for operation in
an ‘N+1’ configuration. Each PT4471
connected will share the load current with
other active PT4471 modules.
Over-Current Protection
Over-Temperature Protection
Over-Voltage Protection
Space-Saving Package
Solderable Copper Case
Safety Approvals:
UL 60950
CSA 22.2 950
VDE EN60950 Pending
L
O
A
D
PT4471
+V
sns
+V
out
-V
out
-V
sns
7
8-13
14-19
20
25
22
24
23
VID0 - VID4
+V
in
–V
in
1
2
3
Inhibit
C
1
+
PROGRAMMING PINS
+V
OUT
+V
IN
–V
IN
–V
OUT
C
o
+
21
C
2
Co = Optional 330F electrolytic capacitor
C1 = Optional 33F, 50V electrolytic capacitor
C2 = Optional 1F, 50V ceramic capacitor
Programming pins, VID0–VID4, are shown
configured for Vo =3.3V
For normal operation, pin 3 (Inhibit) must be
connected to –Vin.
For details on additional N+1 components
consult the related application note.
Ordering Information
PT4471
o = 1.3 to 3.5 Volts
PT Series Suffix (PT1234 x )
Case/Pin
Order
Package
Configuration
Suffix
Code *
Vertical
N
(EKD)
Horizontal
A
(EKA)
SMD
C
(EKC)
* Previously known as package styles 1200,
1210, and 1215.
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
Pin-Out Information
Pin
Function
1+Vin
2–Vin
3
Inhibit
4
Do not connect
5
Do not connect
6
Sync
7
(+)Remote Sense
8+Vout
9+Vout
10 +Vout
11 +Vout
12 +Vout
13 +Vout
Pin
Function
14
–Vout
15
–Vout
16
–Vout
17
–Vout
18
–Vout
19
–Vout
20
(–)Remote Sense
21
VID0
22
VID1
23
VID2
24
VID3
25
VID4
26
Share
PT4471—24V
100-W 30-A Programmable
Isolated DC/DC Converter
Pins 6 & 26 are used for N+1 configuration (see
related application note). For stand-alone
operation, leave open circuit.
Shaded functions indicate those pins that are
referenced to primary-side potential.
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| PT4481N | DC-DC REG PWR SUPPLY MODULE |
| PT4481C | DC-DC REG PWR SUPPLY MODULE |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PT4471N | 功能描述:直流/直流開關轉換器 100W 24V In 30A Prog DC-DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| PT4472 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-W 30-A Programmable Isolated DC/DC Converter |
| PT4472A | 功能描述:直流/直流開關轉換器 100W 24V In 30A Prog DC-DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| PT4472C | 功能描述:DC/DC轉換器 100W 24V In 30A Prog DC-DC Converter RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 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）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PT4472N | 功能描述:CONVERTER DC-DC 1.3-3.5V 30A VRT RoHS:是 類別:電源 - 板載 >> DC DC Converters 系列:PT4470 標準包裝:10 系列:PT4570 類型:隔離 輸出數(shù):1 電壓 - 輸入（最小）:36V 電壓 - 輸入（最大）:75V Voltage - Output 1:9V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:3.3A 電源（瓦） - 制造商系列:30W 電壓 - 隔離:1.5kV（1500V） 特點:- 安裝類型:表面貼裝 封裝/外殼:19-SIP SMD 模塊 尺寸/尺寸:3.00" L x 1.19" W x 0.50" H（76.2mm x 30.2mm x 12.7mm） 包裝:托盤 工作溫度:-40°C ~ 85°C 效率:84% 電源（瓦特）- 最大:30W |
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