Document
TPS76615, TPS76618, TPS76625 TPS76627, TPS76628, TPS76630 TPS76633, TPS76650, TPS76601
www.ti.com................................................................................................................................................. SLVS237C – AUGUST 1999 – REVISED JANUARY 2009
ULTRALOW QUIESCENT CURRENT 250-mA LOW DROPOUT VOLTAGE REGULATORS
FEATURES
1
•2 250-mA Low Dropout Voltage Regulator • Available in 1.5 V, 1.8 V, 2.5 V, 2.7 V, 2.8 V,
3.0 V, 3.3 V, 5.0 V Fixed Output and Adjustable Versions • Dropout Voltage to 140 mV (Typ) at 250 mA (TPS76650) • Ultralow 35-µA Typical Quiescent Current • 3% Tolerance Over Specified Conditions for Fixed Output Versions • Open-Drain Power Good • 8-Pin SOIC Package • Thermal Shutdown Protection
DESCRIPTION
This device is designed to have an ultralow quiescent current and be stable with a 4.7-µF capacitor. This combination provides high performance at a reasonable cost.
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 250 mA for the TPS76650) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 35 µA over the full range of output current, 0 mA to 250 mA). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA (typ).
Power good (PG) is an active high output that can be used to implement a power-on reset or a low-battery indicator.
The TPS766xx is offered in 1.5 V, 1.8 V, 2.5 V, 2.7 V, 2.8 V, 3.0 V, 3.3 V and 5.0 V fixed voltage versions and in an adjustable version (programmable over the range of 1.25 V to 5.5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS766xx family is available in an 8-pin SOIC package.
VDO - Output Voltage - V
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. All trademarks are the property of their respective owners.
2
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 © 1999–2009, Texas Instruments Incorporated
TPS76615, TPS76618, TPS76625 TPS76627, TPS76628, TPS76630 TPS76633, TPS76650, TPS76601
SLVS237C – AUGUST 1999 – REVISED JANUARY 2009................................................................................................................................................. www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
PRODUCT TPS766xxyz
ORDERING INFORMATION(1)
VOUT (2) XX is nominal output voltage (for example, 28 = 2.8V, 01 = Adjustable).(3) Y is package designator. Z is package quantity.
(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com.
(2) Output voltages from 1.5 V to 5.0 V in 50-mV increments are available through the use of innovative factory EEPROM programming; minimum order quantities may apply. Contact factory for details and availability.
(3) The TPS76601 is programmable using an external resistor divider (see Application Information).
ABSOLUTE MAXIMUM RATINGS
Over operating free-air temperature range (unless otherwise noted).(1)
PARAMETER
VI
Input voltage range(2)
Voltage range at EN
Maximum PG voltage
Peak output current
Continuous total power dissipation
VO
Output voltage (OUT, FB)
TJ
Operating virtual junction temperature range
Tstg
Storage temperature range
ESD rating, HBM
TPS766xx –0.3 to 13.5 –0.3 to 16.5
16.5 Internally limited See Dissipation Ratings Table
7 –40 to +125 –65 to +150
2
UNIT V V V
V °C °C kV
(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied.
(2) All voltage values are with respect to netw.