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| 型号： | PTH04000WAST |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | DIP-6 |
| 文件页数： | 1/21页 |
| 文件大小： | 727K |
| 代理商： | PTH04000WAST |
3-A, 3.3/5-V INPUT, ADJUSTABLE SWITCHING REGULATOR
1
FEATURES
APPLICATIONS
DESCRIPTION
1
5
2
3
4
6
+
PTH04000W
(TopView)
Track
GND
R
#
1%,0.1W
(Required)
SET
Inhibit
C
47 F
(Required)
I
*
C
47 F
(Optional)
O*
VI
VO
GND
STANDARD APPLICATION
*Seethe ApplicationInformationsectionforcapacitorrecommendations.
#Seethe ApplicationInformationsectionforR
values.
SET
SLTS247B – JUNE 2005 – REVISED OCTOBER 2007
www.ti.com
WITH AUTO-TRACK SEQUENCING
Point-of-Load Alliance (POLA) Compatible
2
Up to 3-A Output Current at 85°C
Surface Mount Package
3.3-V / 5-V Input Voltage
Safety Agency Approvals:
- UL/IEC/CSA-22.2 60950-1
Wide-Output Voltage Adjust
(0.9 V to 3.6 V)
Efficiencies Up To 94%
Telecommunications, Instrumentation,
On/Off Inhibit
and General-Purpose Circuits
Undervoltage Lockout (UVLO)
Output Overcurrent Protection
(Nonlatching, Auto-Reset)
Overtemperature Protection
Ambient Temperature Range: –40°C to 85°C
The PTH04000W is a highly integrated, low-cost switching regulator module that delivers up to 3 A of output
current. Occupying a small PCB area, the PTH04000W provides output current at a high efficiency and with
minimal power dissipation, thereby eliminating the need for a heat sink. Their small size (0.75 inch
× 0.5 inch),
high efficiency, and low cost makes these modules practical for a variety of applications.
The input voltage range of the PTH04000W 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 PTH04000W 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. This series
includes Auto-Track sequencing. This feature simplifies the task of supply voltage sequencing in a power
system by enabling modules to track each other, or any external voltage, during power up and power down.
Other 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. The PTH04000W is also compatible with TI's roadmap
for RoHS and lead-free compliance.
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.
2
POLA, Auto-Track, TMS320 are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2007, 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 |
|---|---|
| PTH04000WAZ | 功能描述:DC/DC转换器 3A 3.3/5V Input Adj Switching 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: |
| PTH04000WAZ1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-A, 3.3/5-V INPUT, ADJUSTABLE SWITCHING REGULATOR |
| PTH04000WAZT | 功能描述:DC/DC转换器 3A 3.3/5V Input Adj Switching 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: |
| PTH04040 | 制造商:ARTESYN 制造商全称:Artesyn Technologies 功能描述:DC-DC CONVERTERS POLA Non-isolated |
| PTH04040W | 制造商:TI 制造商全称:Texas Instruments 功能描述:60-A, 3.3/5-V INPUT, NONISOLATED WIDE-OUTPUT ADJUST POWER MODULE |
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