TPS732 - 具有反向电流保护的无电容 NMOS 250mA 低压降稳压器

TPS732是TI德州仪器公司的一款单通道LDO产品，TPS732是具有反向电流保护的无电容 NMOS 250mA 低压降稳压器，本站介绍了TPS732的封装应用图解、特点和优点、功能等，并给出了与TPS732相关的TI元器件型号供参考。

TPS732 - 具有反向电流保护的无电容 NMOS 250mA 低压降稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The TPS732xx family of low-dropout (LDO) voltage regulators uses a new topology: an NMOS pass element in a voltage-follower configuration. This topology 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.

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 (30µVRMS with 0.1µF CNR) is ideal for powering VCOs. These devices are protected by thermal shutdown and foldback current limit.

产品特性

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: 30µVRMS Typ (10kHz to 100kHz)
0.5% Initial Accuracy
1% Overall Accuracy (Line, Load, and Temperature)
Less Than 1µA Max IQ in Shutdown Mode
Thermal Shutdown and Specified Min/Max Current Limit Protection
Available in Multiple Output Voltage Versions
- Fixed Outputs of 1.20V to 5.0V
- Adjustable Outputs from 1.20V to 5.5V
- Custom Outputs Available
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

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