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PT5400 Series
6-A 5-V/3.3-V Input Adjustable
SWIFT? Power Module
Features
SLTS169C - MAY 2002 - REVISED OCTOBER 2003
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Fully Functional SWIFT Module
Single-Device: 5 V/3.3 V Input
DSP Compatible
No Output Capacitors Required
High Efficiency (93 % at 4 A)
Small Footprint
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On/Off Inhibit Function
Short Circuit Protection
Thermal Shutdown
Space-Saving package
Solderable Copper Case
(0.355 in2, Suffix ‘N’)
? Adjustable Output Voltage
Description
The PT5400 Excalibur? power modules are a
Ordering Information
Input Bus
Pin-Out Information
Pin Function
series of high-performance integrated switching
5 V 3.3 V Pt No.
Vout
1
Inhibit *
regulators (ISRs) based on TI’s SWIFT (Switcher
With Integrated FET Technology) regulator ICs.
These ready-to-use modules are rated for up to
6 A of output current from input voltages as low
as 3.1 V, providing a convenient step-down power
source for the industry’s latest high-performance
DSPs and microprocessors. The series includes
output voltage options as low as 1.0 VDC.
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PT5401 H
PT5402 H
PT5408 H
PT5403 H
PT5404 H
PT5405 H
PT5406 H
PT5407 H
3.3 Volts
2.5 Volts
2.5 Volts
2.0 Volts
1.8 Volts
1.5 Volts
1.2 Volts
1.0 Volts
2 Vin
3 GND
4 V o
5 V o Adjust
* For Inhibit pin:
Open = output enabled
Ground = output disabled
The PT5400 modules are packaged in a 5-pin
thermally efficient copper case, which offers the
advantage of solderability along with a small foot-
print (0.355 in2, suffix ‘N’). Both through-hole and
PT Series Suffix (PT1234 x )
Case/Pin Order Package
Configuration Suffix Code
surface mount pin configurations are available.
The product features external output voltage
adjustment, an on/off inhibit function, short cir-
Vertical
Horizontal
SMD
N
A
C
(EFK)
(EFL)
(EFM)
cuit protection, and thermal shutdown. A 100-μF
input capacitor is required for proper operation.
Standard Application
INH
1
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
V O ADJ
5
+ V IN
C 1
+
2
PT5400
3
4
C 2
+
+V O
GND
(Required)
(Optional)
GND
C 1 = Required 100 μF
C 2 = Optional 100 μF
For technical support and further information, visit http://power.ti.com
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PT5408 制造商:TI 制造商全称:Texas Instruments 功能描述:6-A 5-V/3.3-V Input Adjustable SWIFT Power Module
PT5408A 功能描述:DC/DC转换器 2.5V 6A 3.3V Input Adj SWIFT Module RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
PT5408C 功能描述:DC/DC转换器 2.5V 6A 3.3V Input Adj SWIFT Module RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
PT5408N 功能描述:DC/DC转换器 2.5V 6A 3.3V Input Adj SWIFT Module RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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