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参数资料
| 型号： | PTH08080WAS |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2.25 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDMA5 |
| 封装： | ROHS COMPLIANT PACKAGE-5 |
| 文件页数： | 1/17页 |
| 文件大小： | 520K |
| 代理商： | PTH08080WAS |
1
FEATURES
APPLICATIONS
DESCRIPTION
VI
GND
VO
R
#
SET
0.05W,1%
(Required)
C *
I
100 F
m
Electrolytic
(Required)
C *
O
100 F
m
Electrolytic
(Optional)
Inhibit
3
PTH08080W
STANDARD APPLICATION
(TopView)
1
2
5
4
*SeeTheCapacitor ApplicationInformation
#SeetheSpecificationTablefortheR
value.
SET
$DiodeisRequiredWhenV
5.25VandV
16V.
O
I
>
+
D1$
SLTS235C – FEBRUARY 2005 – REVISED FEBRUARY 2008
www.ti.com
2.25-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
Safety Agency Approvals:
UL/CUL 60950, EN60950
Up to 2.25-A Output Current at 85°C
4.5-V to 18-V Input Voltage Range
Wide-Output Voltage Adjust
Telecommunications, Instumentation,
(0.9 V to 5.5 V)
and General-Purpose Circuits
Efficiencies Up To 93%
On/Off Inhibit
Undervoltage Lockout (UVLO)
Output Overcurrent Protection
(Nonlatching, Auto-Reset)
Overtemperature Protection
Ambient Temperature Range: –40°C to 85°C
Surface-Mount Package
The PTH08080W is a highly integrated, low-cost switching regulator module that delivers up to 2.25 A of output
current. The PTH08080W sources output current at a much higher efficiency than a TO-220 linear regulator IC,
thereby eliminating the need for a heat sink. Its small size (0.5
× 0.6 in) and flexible operation creates value for a
variety of applications.
The input voltage range of the PTH08080W is from 4.5 V to 18 V, allowing operation from either a 5-V or 12-V
input bus. Using state-of-the-art switched-mode power-conversion technology, the PTH08080W can step down to
voltages as low as 0.9 V from a 5-V input bus, with less than 1 W of power dissipation. The output voltage can
be adjusted to any voltage over the range, 0.9 V to 5.5 V, using a single external resistor. Operating features
include an undervoltage lockout (UVLO), on/off inhibit, overcurrent protection, and overtemperature protection.
Target applications include telecommunications, test and measurement applications, and high-end consumer
products. This product is available in both through-hole and surface-mount package options, including tape and
reel.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PTH08080WAST | 功能描述:DC/DC转换器 2.25A Wide Input/ Out Adj Mini Pwr Mdl 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: |
| PTH08080WAZ | 功能描述:DC/DC转换器 2.25A Wide Input/ Out Adj Mini Pwr Mdl 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: |
| PTH08080WAZT | 功能描述:DC/DC转换器 2.25A Wide Input/ Out Adj Mini Pwr Mdl 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: |
| PTH08080WBH | 功能描述:DC/DC转换器 2.25A,4.5-18Vin Wide Adjust Mini Pwr Mod 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: |
| PTH08082WAS | 制造商:Texas Instruments 功能描述: |
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