Document
Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & Community
TPS767
SLVS208J – MAY 1999 – REVISED AUGUST 2015
TPS767xxQ Fast-Transient-Response 1-A Low-Dropout Linear Regulators
1 Features
•1 1 A 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 Down to 230 mV at 1 A (TPS76750) • Ultralow 85 µA Typical Quiescent Current • Fast Transient Response • 2% Tolerance Over Specified Conditions for Fixed-Output Versions • Open Drain Power-On Reset With 200-ms Delay (See TPS768xx for PG Option) • 8-Pin SOIC and 20-Pin TSSOP PowerPAD™ (PWP) Package • Thermal Shutdown Protection
TPS76733 Dropout Voltage vs Free-air Temperature
103 IO = 1 A
102
101
∆ VO − Change in Output Voltage − mV
2 Description
This device is designed to have a fast transient response and be stable with 10 µF low ESR capacitors. 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 1 A for the TPS76750) 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 85 µA over the full range of output current, 0 mA to 1 A). 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 1 µA at TJ = 25°C.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS767xx
SOIC (8) HTSSOP (20)
4.90 mm × 3.91 mm 6.50 mm x 4.40 mm
(1) For all available packages, see the orderable addendum at the end of the datasheet.
TPS76733 Load Transient Response
100 50 0
−50
VDO − Dropout Voltage − mV
IO − Output Current − A
IO = 10 mA 100
10−1
Co = 10 μF 10−2
−60 −40 −20 0
IO = 0 20 40 60 80 100 120 140
TA − Free-Air Temperature − °C
1 0.5
0
0 100 200 300 400 500 600 700 800 900 1000 t − Time − μs
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPS767
SLVS208J – MAY 1999 – REVISED AUGUST 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1 2 Description ............................................................. 1 3 Revision History..................................................... 2 4 Description (Continued) ........................................ 3 5 Device Options....................................................... 3 6 Pin Configuration and Functions ......................... 4 7 Specifications......................................................... 5
7.