参数资料
| 型号： | TPS72325QDBVRQ1 |
| 厂商： | Texas Instruments |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO -2.5V .2A SOT23-5 |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 负，固定式 |
| 输出电压： | -2.5V |
| 输入电压： | -2.7 V ~ -10 V |
| 电压 - 压降（标准）： | 0.28V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 200mA（最小值） |
| 电流 - 限制（最小）： | 300mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
SLVSAJ4B – SEPTEMBER 2010 – REVISED SEPTEMBER 2012
200-mA Low-Noise, High-PSRR, Negative-Output, Low-Dropout Linear Regulators
Check for Samples: TPS72301-Q1 , TPS72325-Q1
1
FEATURES
APPLICATIONS
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Qualified for Automotive Applications
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Optical Drives
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Ultralow Noise: 60 μ V RMS Typical
High PSRR: 65 dB Typical at 1kHz
Low Dropout Voltage: 280 mV Typical at 200
mA, 2.5 V
Available in –2.5 V and Adjustable (–1.2 V to
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Optical Networking
Noise-Sensitive Circuitry
GaAs FET Gate Bias
Video Amplifiers
–10 V) Versions
DESCRIPTION
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Stable With a 2.2- μ F Ceramic Output Capacitor
Less Than 2- μ A Typical Quiescent Current in
Shutdown Mode
2% Overall Accuracy
(Line, Load, Temperature)
Thermal and Overcurrent Protection
SOT23-5 (DBV) Package
Operating Junction Temperature Range: –40°C
to 125°C
Typical Application Circuit
The TPS723xx-Q1 family of low-dropout (LDO)
negative voltage regulators offers an ideal
combination of features to support low-noise
applications. This device is capable of operating with
input voltages from –10 V to –2.7 V. The TPS72325-
Q1 regulator is stable with small, low-cost ceramic
capacitors, and includes enable (EN) and noise-
reduction (NR) functions. Internal detection and
shutdown logic provide thermal short-circuit and
overcurrent protection. High PSRR (65 dB at 1 kHz)
and low noise (60 μ V RMS ) make the TPS723xx-Q1
ideal for low-noise applications.
The TPS723xx-Q1 uses a precision voltage reference
to achieve 2% overall accuracy over load, line, and
temperature variations. Available in a small SOT23-5
package, the TPS723xx-Q1 specification covers the
full temperature range of –40°C to 125°C.
DBV PACKAGE
(TOP VIEW)
2.2 m F
2
IN
OUT
5
2.2 m F
+1.5V
GND
- 1.5V
On
Off
On
GND
IN
EN
1
2
3
5
4
OUT
NR
3
EN
NR
4
10nF
GND
1
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
All trademarks are the property of their respective owners.
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 ? 2010–2012, Texas Instruments Incorporated
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