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參數資料
| 型號： | TPS73225DCQT |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩壓器的反向電流保護 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 427K |
| 代理商： | TPS73225DCQT |
www.ti.com
FEATURES
Stable with No Output Capacitor or Any Value
or Type of Capacitor
Input Voltage Range: 1.7V to 5.5V
Ultralow Dropout Voltage: 40mV Typ at 250mA
Excellent Load Transient Response—with or
without Optional Output Capacitor
New NMOS Topology Provides Low Reverse
Leakage Current
Low Noise: 30μV
RMS
Typ (10kHz to 100kHz)
0.5% Initial Accuracy
1% Overall Accuracy (Line, Load, and
Temperature)
Less Than 1μA Max I
Q
in Shutdown Mode
Thermal Shutdown and Specified Min/Max
Current Limit Protection
Available in Multiple Output Voltage Versions
– Fixed Outputs of 1.2V, 1.5V, 1.6V, 1.8V, 2.5V,
3.0V, 3.3V, and 5.0V
– Adjustable Outputs From 1.20V to 5.5V
– Custom Outputs Available
DESCRIPTION
The TPS732xx family of low-dropout (LDO) voltage
regulators uses a new topology: an NMOS pass
element in a voltage-follower configuration. This top-
ology is stable using output capacitors with low ESR,
and even allows operation without a capacitor. It also
provides high reverse blockage (low reverse current)
and ground pin current that is nearly constant over all
values of output current.
APPLICATIONS
Portable/Battery-Powered Equipment
Post-Regulation for Switching Supplies
Noise-Sensitive Circuitry such as VCOs
Point of Load Regulation for DSPs, FPGAs,
ASICs, and Microprocessors
TPS732xx
GND
EN
NR
IN
OUT
V
IN
V
OUT
Optional
Optional
Optional
Typical Application Circuit for Fixed-Voltage Versions
DCQ PACKAGE
SOT223
(TOP VIEW)
1
2
3
4
5
IN
OUT
GND
NR/FB
EN
TAB IS GND
DBV PACKAGE
SOT23
(TOP VIEW)
IN
GND
EN
NR/FB
OUT
1
2
3
4
5
TPS73201, TPS73215, TPS73216
TPS73218, TPS73225, TPS73230
TPS73233, TPS73250
SBVS037F–AUGUST 2003–REVISED SEPTEMBER 2004
Cap-Free, NMOS, 250mA Low Dropout Regulator
with Reverse Current Protection
The TPS732xx uses an advanced BiCMOS process
to yield high precision while delivering very low
dropout voltages and low ground pin current. Current
consumption, when not enabled, is under 1μA and
ideal for portable applications. The extremely low
output noise (30μV
RMS
with 0.1μF C
NR
) is ideal for
powering VCOs. These devices are protected by
thermal shutdown and foldback current limit.
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2003–2004, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS73225MDBVREP | 功能描述:低壓差穩壓器 - LDO Mil Enh Cap-Free NMOS 250-mA LDO Reg RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS73225QDBVRQ1 | 功能描述:低壓差穩壓器 - LDO Cap-Free NMOS 250-mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS73230DBVR | 功能描述:低壓差穩壓器 - LDO Cap-Free NMOS 250mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS73230DBVRG4 | 功能描述:低壓差穩壓器 - LDO Cap-Free NMOS 250mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS73230DBVT | 功能描述:低壓差穩壓器 - LDO Cap-Free NMOS 250mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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