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參數資料
| 型號： | PTH04070WAH |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 3 A SWITCHING REGULATOR, PDMA5 |
| 封裝： | ROHS COMPLIANT, DIP-5 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 409K |
| 代理商： | PTH04070WAH |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| PTH04070WAS | 功能描述:DC/DC轉換器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
| PTH04070WAST | 功能描述:DC/DC轉換器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
| PTH04070WAZ | 功能描述:DC/DC轉換器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
| 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 |
| PTH04070WAZT | 功能描述:DC/DC轉換器 3-A 3.3/5-V Input Adj Swtch Regulator 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: |
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