TPS79730-EP REGULATORS Datasheet

TPS79730-EP Datasheet PDF, Equivalent


Part Number

TPS79730-EP

Description

LDO LINEAR REGULATORS

Manufacture

etcTI

Total Page 16 Pages
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TPS79730-EP
TPS79718-EP, TPS79730-EP, TPS79733-EP
www.ti.com
SGLS348A – AUGUST 2006 – REVISED OCTOBER 2007
ULTRA LOW-POWER, 10 mA, LDO LINEAR REGULATORS WITH POWER GOOD OUTPUT
FEATURES
1
Controlled Baseline
– One Assembly Site
– One Test Site
– One Fabrication Site
Extended Temperature Performance of
–55°C to 125°C
Enhanced Diminishing Manufacturing Sources
(DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree(1)
10 mA Low-Dropout Regulator
Ultralow 1.2 µA Quiescent Current at 10 mA
5-Pin SC70/SOT-323 (DCK) Package
Integrated Power Good Output
Stable With Any Capacitor (> 0.47 µF)
Dropout Voltage Typically 105 mV at 10 mA
(TPS79733)
Overcurrent Limitation
(1) Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
APPLICATIONS
Battery-Powered Microcontrollers and
Microprocessors
DESCRIPTION/ORDERING INFORMATION
The TPS797xx family of low-dropout (LDO) voltage
regulators offers the benefits of low-dropout voltage
and ultralow-power operation. The device is stable
with any capacitor (> 0.47 µF). Therefore,
implementations of this device require little board
space due to the miniaturized packaging and
potentially small output capacitor. In addition, the
family includes an integrated open drain active-high
power good (PG) output. Intended for use in
microcontroller based, battery-powered applications,
the TPS797xx family's low dropout and
ultralow-powered operation results in a significant
increase in system battery operating life. The small
packaging minimizes consumption of board space.
The device is enabled when the applied voltage
exceeds the minimum input voltage. The usual PNP
pass transistor has been replaced by a PMOS pass
element. Because the PMOS pass element behaves
as a low-value resistor, the dropout voltage is low,
125 mV (typ) at 10 mA of load current and is directly
proportional to the load current. The quiescent current
is ultralow (1.2 µA typ) and is stable over the entire
range of output load current (0 mA to 10 mA). When
properly configured with a pullup resistor, the PG
output can be used to implement a power-on reset or
low battery indicator. The TPS797xx is offered in
1.8 V, 3 V, and 3.3 V fixed options.
TA
–55°C to 125°C
VOLTAGE
1.8 V
3V
3.3 V
ORDERING INFORMATION(1)
PACKAGE (2)
PART NUMBER
TPS79718MDCKREP
SC70/SOT-323 (DCK)
TPS79730MDCKREP
TPS79733MDCKREP (3)
SYMBOL
CKW
BUA
TBD
(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) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(3) Product Preview. Parameters in electrical characteristics are subject to change.
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.
UNLESS OTHERWISE NOTED this document contains
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2006–2007, Texas Instruments Incorporated

TPS79730-EP
TPS79718-EP, TPS79730-EP, TPS79733-EP
SGLS348A – AUGUST 2006 – REVISED OCTOBER 2007
DCK PACKAGE
(TOP VIEW)
PG 1 5 OUT
GND
2
NC 3 4 IN
GROUND CURRENT
vs
FREE-AIR TEMPERATURE
2
VI = 4.3 V
1.75 VO = 3.3 V
Co = 1 µF
IO = 10 mA
1.50
1.25
1
0.75
0.50
−40
−15 10 35
60
TA − Free-Air Temperature − °C
85
DEVICE INFORMATION
FUNCTIONAL BLOCK DIAGRAM
www.ti.com
VIN
GND
Current
Sense
ILIM
_+
VOUT
R1
R2
Vref = 1.235 V
VIN
Bandgap
Reference
Delay
PG
TERMINAL
NAME
NO.
IN 4
GND
2
NC 3
OUT
5
PG 1
TERMINAL FUNCTIONS
I/O DESCRIPTION
I The IN terminal is the power supply input to the device.
Ground
No connection
O The OUT terminal provides the regulated output voltage of the device.
The PG terminal for the fixed voltage option devices is an open-drain active-high output that indicates
the status of VO (output of the LDO). When VO exceeds approximately 90% of the regulated voltage,
O PG goes to a high impedance state. It goes to a low-impedance state when VO falls below
approximately 90% (i.e. overload condition) of the regulated voltage. The open drain output of the PG
terminal requires a pullup resistor.
2 Submit Documentation Feedback
Copyright © 2006–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS79718-EP TPS79730-EP TPS79733-EP


Features TPS79718-EP, TPS79730-EP, TPS79733-EP w ww.ti.com SGLS348A – AUGUST 2006 – REVISED OCTOBER 2007 ULTRA LOW-POWER, 10 mA, LDO LINEAR REGULATORS WITH POWE R GOOD OUTPUT FEATURES 1 • Controlle d Baseline – One Assembly Site – On e Test Site – One Fabrication Site Extended Temperature Performance of 55°C to 125°C • Enhanced Diminish ing Manufacturing Sources (DMS) Support • Enhanced Product-Change Notificati on • Qualification Pedigree(1) • 10 mA Low-Dropout Regulator • Ultralow 1.2 µA Quiescent Current at 10 mA • 5-Pin SC70/SOT-323 (DCK) Package • In tegrated Power Good Output • Stable W ith Any Capacitor (> 0.47 µF) • Drop out Voltage Typically 105 mV at 10 mA ( TPS79733) • Overcurrent Limitation (1 ) Component qualification in accordance with JEDEC and industry standards to e nsure reliable operation over an extend ed temperature range. This includes, bu t is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, b.
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