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参数资料
| 型号： | PTH04070WAD |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3 A SWITCHING REGULATOR, PDMA5 |
| 封装： | ROHS COMPLIANT, DIP-5 |
| 文件页数： | 1/17页 |
| 文件大小： | 409K |
| 代理商： | PTH04070WAD |
1
FEATURES
APPLICATIONS
DESCRIPTION
STANDARD APPLICATION
VI
GND
VO
RSET
(Required)
3
1
2
5
4
PTH04070W
(Top View)
C3*
47 mF
Electroytic
(Recommended)
C2*
47 mF
Ceramic
(Required)
C1*
47 mF
Ceramic
(Required)
Inhibit
*See The Capacitor Application Information
#See The Specification Table for Value
0.05 W#, 1%
SLTS227B – SEPTEMBER 2004 – REVISED OCTOBER 2007
www.ti.com
3-A, 3.3/5-V INPUT ADJUSTABLE SWITCHING REGULATOR
Surface Mount Package
Up to 3-A Output Current at 85°C
Safety Agency Approvals:
UL/IEC/CSA-C22.2 60950-1
3.3-V / 5-V Input Voltage
Wide-Output Voltage Adjust
(0.9 V to 3.6 V)
Telecommunications, Instumentation,
160 W/in3 Power Density
and General-Purpose Circuits
Efficiencies Up To 94%
On/Off Inhibit
Undervoltage Lockout (UVLO)
Output Overcurrent Protection
(Nonlatching, Auto-Reset)
Overtemperature Protection
Ambient Temp. Range: –40°C to 85°C
The PTH04070W is a highly integrated, low-cost switching regulator module that delivers up to 3 A of output
current. Occupying less PCB area than a standard TO-220 linear regulator IC, the PTH04070W provides output
current at a much higher efficiency and with much less power dissipation, thereby eliminating the need for a heat
sink. Their small size (0.5
× 0.4 in), high efficiency, and low cost makes these modules attractive for a variety of
applications.
The input voltage range of the PTH04070W is from 3 V to 5.5 V, allowing operation from either a 3.3-V or 5-V
input bus. Using state-of-the-art switched-mode power-conversion technology, the PTH04070W can step down to
voltages as low as 0.9 V from a 5-V input bus, with typically less than 1 W of power dissipation. The output
voltage can be adjusted to any voltage over the range, 0.9 V to 3.6 V, using a single external resistor. Operating
features
include
an
undervoltage
lockout
(UVLO),
on/off
inhibit,
output
overcurrent
protection,
and
overtemperature protection. Target applications include telecommunications, test and measurement applications,
and high-end consumer products. The modules are 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 2004–2007, 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 |
|---|---|
| PTH04070WAH | 功能描述:DC/DC转换器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
| PTH04070WAS | 功能描述:DC/DC转换器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
| PTH04070WAST | 功能描述:DC/DC转换器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
| PTH04070WAZ | 功能描述:DC/DC转换器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
| PTH04070WAZ | 制造商:Texas Instruments 功能描述:IC 制造商:Texas Instruments 功能描述:IC, ADJ SWITCHING REGULATOR, SMT MODULE |
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