Motor de Búsqueda de Datasheet de Componentes Electrónicos
  Spanish  ▼
ALLDATASHEET.ES

X  

TPS73534DRBR Datasheet(PDF) 10 Page - Texas Instruments

Click here to check the latest version.
No. de pieza TPS73534DRBR
Descripción Electrónicos  500mA, Low-Dropout Voltage Regulator for C2000?
Download  19 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS73534DRBR Datasheet(HTML) 10 Page - Texas Instruments

Back Button TPS73534DRBR Datasheet HTML 6Page - Texas Instruments TPS73534DRBR Datasheet HTML 7Page - Texas Instruments TPS73534DRBR Datasheet HTML 8Page - Texas Instruments TPS73534DRBR Datasheet HTML 9Page - Texas Instruments TPS73534DRBR Datasheet HTML 10Page - Texas Instruments TPS73534DRBR Datasheet HTML 11Page - Texas Instruments TPS73534DRBR Datasheet HTML 12Page - Texas Instruments TPS73534DRBR Datasheet HTML 13Page - Texas Instruments TPS73534DRBR Datasheet HTML 14Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 10 / 19 page
background image
TPS73534
SBVS164
– JUNE 2011
www.ti.com
Shutdown
Transient Response
The enable pin (EN) is active high and is compatible
As with any regulator, increasing the size of the
with standard and low voltage TTL-CMOS levels.
output capacitor reduces over/undershoot magnitude
When shutdown capability is not required, EN can be
but increases duration of the transient response. In
connected to IN.
the adjustable version, adding CFB between OUT and
FB improves stability and transient response. The
transient response of the TPS73534 is enhanced by
Dropout Voltage
an active pull-down that engages when the output
The TPS73534 uses a PMOS pass transistor to
overshoots by approximately 5% or more when the
achieve low dropout. When (VIN – VOUT) is less than
device is enabled. When enabled, the pull-down
the dropout voltage (VDO), the PMOS pass device is
device behaves like a 400
Ω resistor to ground.
in its linear region of operation and the input-to-output
resistance is the RDS, ON of the PMOS pass element.
Undervoltage Lock-Out (UVLO)
Because the PMOS device behaves like a resistor in
dropout,
VDO approximately scales with output
The TPS73534 utilizes an undervoltage lock-out
current.
circuit to keep the output shut off until internal
circuitry is operating properly. The UVLO circuit has a
As with any linear regulator, PSRR and transient
de-glitch
feature
so
that
it
typically
ignores
response are degraded as (VIN – VOUT) approaches
undershoot transients on the input if they are less
dropout.
This
effect
is
shown
in
the
Typical
than 50
μs duration.
Characteristics section.
Minimum Load
Startup and Noise Reduction Capacitor
The TPS73534 is stable and well-behaved with no
The
TPS73534
uses
a
quick-start
circuit
to
output load. To meet the specified accuracy, a
fast-charge the noise reduction capacitor, CNR, if
minimum load of 500
μA is required. Below 500μA at
present (see the Functional Block Diagrams). This
junction temperatures near +125
°C, the output can
architecture allows the combination of very low output
drift up enough to cause the output pull-down to turn
noise and fast start-up times. The NR pin is high
on. The output pull-down limits voltage drift to 5%
impedance so a low leakage CNR capacitor must be
typically
but
ground
current
could
increase
by
used; most ceramic capacitors are appropriate in this
approximately 50
μA. In typical applications, the
configuration.
junction cannot reach high temperatures at light loads
because there is no appreciable dissipated power.
Note that for fastest startup, VIN should be applied
The specified ground current would then be valid at
first, then the enable pin (EN) driven high. If EN is
no load in most applications.
tied to IN, startup is somewhat slower. Refer to the
Typical Characteristics section. The quick-start switch
is closed for approximately 135
μs. To ensure that
CNR is fully charged during the quick-start time, a
0.01
μF or smaller capacitor should be used.
10
Copyright
© 2011, Texas Instruments Incorporated


Número de pieza similar - TPS73534DRBR

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Texas Instruments
TPS73534DRBR TI1-TPS73534DRBR Datasheet
814Kb / 27P
[Old version datasheet]   500mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low-Dropout Linear Regulator
MAY2011
More results

Descripción similar - TPS73534DRBR

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Texas Instruments
TPS73734 TI1-TPS73734 Datasheet
677Kb / 21P
[Old version datasheet]   1A, Low-Dropout Voltage Regulator for C2000?
TPS73619 TI1-TPS73619 Datasheet
524Kb / 20P
[Old version datasheet]   400mA Low-Dropout Regulator for C2000?
TPS73219 TI1-TPS73219 Datasheet
511Kb / 20P
[Old version datasheet]   250mA Low-Dropout Regulator for C2000?
logo
New Japan Radio
NJU7223 NJRC-NJU7223 Datasheet
127Kb / 5P
   500mA Low Dropout Voltage Regulator
logo
Advanced Monolithic Sys...
AMS3107 ADMOS-AMS3107 Datasheet
82Kb / 9P
   500mA LOW DROPOUT VOLTAGE REGULATOR
AMS2907 ADMOS-AMS2907 Datasheet
80Kb / 8P
   500mA LOW DROPOUT VOLTAGE REGULATOR
AMS3107 ADMOS-AMS3107_1 Datasheet
77Kb / 9P
   500mA LOW DROPOUT VOLTAGE REGULATOR
logo
Taiwan Memory Technolog...
T6328A TMT-T6328A Datasheet
473Kb / 10P
   500mA Low Dropout Voltage Regulator
logo
Advanced Monolithic Sys...
AMS2907 ADMOS-AMS2907_05 Datasheet
68Kb / 8P
   500mA LOW DROPOUT VOLTAGE REGULATOR
AMS2905 ADMOS-AMS2905_05 Datasheet
67Kb / 8P
   500mA LOW DROPOUT VOLTAGE REGULATOR
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19


Datasheet Descarga

Go To PDF Page


Enlace URL




Política de Privacidad
ALLDATASHEET.ES
¿ALLDATASHEET es útil para Ud.?  [ DONATE ] 

Todo acerca de Alldatasheet   |   Publicidad   |   Contáctenos   |   Política de Privacidad   |   Intercambio de Enlaces   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com