Linear Regulators feature auto low-power mode.
Press Release Summary:
Comprised of 200 mA LDOs, TPS727xx series employs auto low-power mode that combines quiescent current of less than 8 µA with transient response of ±50 mV while maintaining low noise (32 µVRMS) and high power supply rejection ratio (PSRR) of 70dB @ 1 kHz. LDOs automatically switch to and from low power depending on load current, and auto low-power mode also eliminates need for GPIO pin, overhead firmware, and modification of software drivers to control mode pin.
Original Press Release:
Texas Instruments Introduces 200-mA Linear Regulators with Auto Low-Power Mode
LDOs achieve 8-uA quiescent current to increase battery runtime without sacrificing noise performance
DALLAS, Oct. 1 -- Texas Instruments Incorporated (TI) (NYSE: TXN) today introduced a family of 200-mA, low dropout regulators (LDOs), which offer an auto low-power mode that combines ultra-low quiescent current of less than 8 uA with fast transient response of +/-50 mV while maintaining low noise and a high power supply rejection ratio (PSRR). With 70 percent lower quiescent current than existing solutions, the new LDOs help increase battery runtime without sacrificing performance in noise-sensitive applications, such as smart phones, MP3 players, RF modules, remote controls, ZigBee® network systems and handheld consumer devices. For product details see: www.ti.com/tps727-pr.
Typical high-performance LDOs require the load quiescent current to be 25 uA or less. Auto low-power mode allows the TPS727xx to achieve less than 8 uA without an additional mode pin and automatically switches to and from low power depending on load current. In addition, the use of auto low-power mode eliminates the need to modify software drivers to control the mode pin, which speeds and simplifies the design process. It also reduces cost by eliminating the need for a general purpose input/output (GPIO) pin and overhead firmware.
Key features and benefits
-- Low-power operation with innovative auto low-power mode, ultra-low quiescent current of 8 uA, fast transient response +/-50mV for 200mA, low noise 32uVRMS and high PSRR 70dB at 1kHz helps increase battery runtime without sacrificing noise
-- Enables use of small 1.0 uF ceramic capacitors, which allows for a smaller overall solution
-- Provides low dropout of 130 mV, plus stable and accurate output voltage range of 0.9-5 V, which increases system reliability
-- Factory EEPROM programming of the output voltage provides the flexibility to quickly sample and release custom V out versions
Find out more about TI's linear regulator portfolio and selected products for portable applications by visiting the links below:
-- For the complete linear regulator portfolio visit: www.ti.com/linearregulators-pr
-- See TI's complete power management portfolio: www.ti.com/power-pr
-- Ask questions and share knowledge at TI's E2E forum: www.ti.com/linearforum-pr
Availability and pricing
The TPS727xx is available now in a 1.5 x 1.5 mm SON-6 package and a 0.8 x 1.22 mm, 0.4 mm pitch, 4-ball wafer chip-scale (WCSP) package. It is priced at $0.48 in quantities of 1,000.
About Texas Instruments
Texas Instruments (NYSE:TXN) helps customers solve problems and develop new electronics that make the world smarter, healthier, safer, greener and more fun. A global semiconductor company, TI innovates through manufacturing, design and sales operations in more than 30 countries. For more information, go to www.ti.com.
Trademarks
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