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PT4855N

更新时间： 2024-09-17 21:06:59
品牌 Logo 应用领域
德州仪器 - TI 输出元件
页数 文件大小 规格书
14页 267K
描述
3-OUTPUT DC-DC REG PWR SUPPLY MODULE, SIP-26/25

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PT4855N 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：MODULE包装说明：, SIP26
针数：26/25Reach Compliance Code：not_compliant
ECCN代码：EAR99Factory Lead Time：1 week
风险等级：5.87其他特性：ADDITIONAL 1.5V AND 1.2V OUTPUTS AVAILABLE
模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE最大输入电压：75 V
最小输入电压：36 V标称输入电压：48 V
JESD-30 代码：R-MSMA-T25功能数量：1
输出次数：3端子数量：25
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电压：3.63 V最小输出电压：2.97 V
标称输出电压：3.3 V封装主体材料：METAL
封装等效代码：SIP26封装形状：RECTANGULAR
封装形式：MICROELECTRONIC ASSEMBLY峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified子类别：Other Analog ICs
表面贴装：NO技术：HYBRID
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：NOT SPECIFIED微调/可调输出：YES
Base Number Matches：1

PT4855N 数据手册

 浏览型号PT4855N的Datasheet PDF文件第2页浏览型号PT4855N的Datasheet PDF文件第3页浏览型号PT4855N的Datasheet PDF文件第4页浏览型号PT4855N的Datasheet PDF文件第5页浏览型号PT4855N的Datasheet PDF文件第6页浏览型号PT4855N的Datasheet PDF文件第7页 
PT4850 Series  
25-A Triple Output Isolated DC/DC  
Converter For Logic Applications  
SLTS166C - FEBRUARY 2002 - REVISED MARCH 2003  
Features  
• Triple Logic Voltage Outputs  
• Dual Logic On/Off Control  
• Fixed Frequency Operation  
• Solderable Space Saving Package:  
1.97 sq. in. PCB Area (suffix N)  
(Independently Regulated !)  
• Input Voltage Range:  
36V to 75V  
• 1500VDC Isolation  
• IPC Lead Free 2  
• Safety Approvals Pending:  
UL60950  
• Over-Current Protection  
• Over-Voltage Protection  
• Over-Temperature Shutdown  
• Under-Voltage Lockout  
• Independently Adjustable Outputs  
CSA 22.2 950  
VDE EN60950  
Description  
Ordering Information  
PT4851o = +3.3/+2.5/+1.5V  
PT4852o = +3.3/+1.8/+1.5V  
PT4853o = +3.3/+2.5/+1.2V  
PT4854o = +3.3/+1.8/+1.2V  
PT4855o = +3.3/+1.5/+1.2V  
PT4856o = +5.0/+3.3/+1.5V  
The PT4850 Excalibur™ power  
modules are a series of isolated triple-  
output DC/DC converters that  
operate from a standard (–48V)  
central office supply. These modules  
are rated for a combined output of  
up to 25A, and were designed for  
powering mixed logic applications.  
The triple-output voltage provides  
a compact multiple-output power  
supply in a single DC/DC module.  
Output voltage options include  
a low-voltage output for a DSP or  
ASIC core, and two additional supply  
voltages for the I/O, and other func-  
tions.  
The PT4850 series incorporates  
many features to simplify system  
integration. These include a flexible  
On/Off enable control, input under-  
voltage lockout and over-temperature  
protection. All outputs are current  
limited and short-circuit protected,  
and are internally sequenced to meet  
the power-up and power-down re-  
quirements of popular DSP ICs.  
The PT4850 series is housed in  
a space-saving solderable case. The  
module requires no external heat  
sink. Both vertical and horizontal  
pin configurations are available, in-  
cluding surface mount.  
PT Series Suffix  
(PT1234x)  
Case/Pin  
Order  
Package  
Code  
Configuration  
Suffix  
Vertical  
Horizontal  
SMD  
N
A
C
(EKD)  
(EKA)  
(EKC)  
(Reference the applicable package code drawing for  
the dimensions and PC layout)  
Standard Application  
PT4850  
I/O  
9,10,11  
8
+Vo1  
V1 Adj  
COM  
+VIN  
1
+
+VIN  
Co1  
12,13,14  
25  
V2Sense  
+Vo2  
Logic  
Core  
15,16  
17  
+
DSL, DSP,  
or ASIC  
Chipset  
CIN  
4
V2 Adj  
EN 2  
+
Co2  
Q1  
3
EN 1  
24  
V3Sense  
+Vo3  
22,23  
21  
–VIN  
2
–VIN  
V3 Adj  
+
Co3  
1 =Inhibit  
COM  
18,19,20  
Cin =Optional  
Co1, Co2, Co3 =Optional. See specifications  
EN1 & EN2 operation: See application notes  
For technical support and more information, see inside back cover or visit www.ti.com  
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