Texas Instruments TPS727xx 超低 Iq 低压差线性稳压器
德州仪器 TPS727xx 超低 Iq 低压差线性稳压器是超低静态电流 LDO，具有出色的线性和超快负载瞬态性能，被设计用于对功耗敏感的应用。LDO 输出电平是通过创新的出厂 EEPROM 编程进行预设的。一个精密的能带隙和误差放大器提供负载、线性和温度极限条件下 2% 的整体精度。TPS727xx 系列采用 1.5mm × 1.5mm SON 和 晶圆级芯片尺寸封装（WCSP），尤其适合手持式应用。这一器件系列额定工作于 TJ = -40°C 到 +125°C 的温度范围内。
特性
- Very low dropout
- 65mV typical at 100mA
- 130mV typical at 200mA
- 163mV typical at 250mA
- 2% accuracy over load, line, temperature
- 7.9μA ultra-low IQ
- Excellent load transient performance of ±50mV for 200mA loading and unloading transient
- Available in fixed-output voltages from 0.9V to 5V using innovative factory EEPROM programming
- 70dB at 1kHz high PSRR
- Stable with a 1.0μF ceramic capacitor
- Thermal shutdown and overcurrent protection
- Available in 4-ball, 0.4mm pitch wafer-level chip scale and 1.5mm×1.5mm SON packages
应用
- Wireless handsets, smartphones, PDAs
- MP3 players and other handheld products
- Wireless LAN, BLUETOOTH®, Zigbee®
- Remote controls
- Portable consumer products
Functional Block Diagram
发布日期: 2014-10-15
| 更新日期: 2024-05-02