Voltage Regulators suit high-current applications.
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Press Release Summary:
Series TPS74 1.5-3 A low-dropout linear regulators (LDO) feature 1% voltage regulation accuracy rate over line, load, and temperature. Supporting input voltages as low as 0.9 V, LDOs have adjustable output of 0.8-3.3 V and deliver ultra-low dropout of 55 mV at 1.5 A (TPS74201/TPS74301) and 115 mV at 3 A (TPS74401). Capacitor-free LDOs meet sequencing requirements for high-current applications such as telecom, notebooks, and servers that use FPGAs and DSPs.
Original Press Release:
TI Unveils Capacitor-Free LDO Family with One Percent Accuracy
1.5-A and 3-A Linear Regulators Simplify Power Design
While Providing High Performance
DALLAS (June 19, 2006) - Texas Instruments Incorporated (TI) (NYSE: TXN) today introduced a series of 1.5-A and 3-A low-dropout linear regulators (LDOs) that feature a one percent voltage regulation accuracy rate over line, load and temperature. The easy-to-use LDOs meet the sequencing requirements for high-current applications such as telecom, notebooks and servers that use FPGAs and TI's digital signal processors (DSPs). See: www.ti.com/sc06111.
TI's new TPS74xxx LDOs are stable with any or no output capacitor and support input voltages as low as 0.9 V. The external bias permits low input voltage operation with excellent transient response while providing a high power supply rejection ratio (PSRR). The track input allows user-programmed sequencing to minimize the voltage difference among supply rails during startup. The enable input (EN) and power-good (PG) outputs allow easy sequential sequencing with external regulators.
The TPS74xxx family can yield dropout voltages as low as 115 mV at 3 A over the entire input voltage range. They also offer an adjustable output range of 0.8 V to 3.3 V.
Key Features of the TPS74xxx family:
1.5-A and 3-A LDO Regulators with Programmable Soft-Start (SS) and Tracking (TR)
Supports Input Voltages as Low as 0.9 V
Adjustable Output (0.8 V to 3.3 V)
Ultra-Low Dropout: 55 mV at 1.5 A (TPS74201); 55 mV at 1.5 A (TPS74301); 115 mV at 3 A (TPS74401)
One Percent Accuracy Over Line, Load and Temperature
Stable with Any or No Output Capacitor
Active High Enable and Open-Drain Power-Good
External BIAS Permits Low Vin Operation with Excellent Transient Response
Pricing and Availability
The TPS74xxx family of LDOs is available today in volume from TI and its authorized distributors. The devices are offered in a small 5 mm x 5 mm QFN package. Suggested retail pricing in 1,000-piece quantities is $2.25 for the TPS74201 and TPS74301 and $2.95 for the TPS74401 device. For applications that require additional power dissipation, the DDPAK package is available. Evaluation modules of the TPS74xxx, design application notes and TI's easy-to-use online power management selection tool are available through power.ti.com.
Leading Portfolio of Power Management Products
TI is focused on meeting the power design needs of customers through innovative products and technical support. TI leverages its analog and digital system expertise and manufacturing capabilities to provide high-performance, discrete and integrated power management solutions to fit any portable or line-powered power design challenge - from cell phones and PDAs to telecom, industrial and computing applications.
About Texas Instruments:
Texas Instruments Incorporated provides innovative DSP and analog technologies to meet our customers' real world signal processing requirements. In addition to Semiconductor, the company includes the Educational & Productivity Solutions business. TI is headquartered in Dallas, Texas, and has manufacturing, design or sales operations in more than 25 countries.
Texas Instruments is traded on the New York Stock Exchange under the symbol TXN. More information is located on the World Wide Web at www.ti.com.
Please refer all reader inquiries to:
Texas Instruments Incorporated
Semiconductor Group, SC-06111
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1-800-477-8924
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