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TPS76430DBVT Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS76430DBVT
Description  LOW-POWER LOW-NOISE 150-mA LOW-DROPOUT LINEAR REGULATORS
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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TPS76425, TPS76427, TPS76428, TPS76430, TPS76433
LOW-POWER LOW-NOISE 150-mA LOW-DROPOUT LINEAR REGULATORS
SLVS180B – MARCH 1999 – REVISED MAY 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 150-mA Low Noise, Low-Dropout Regulator
D Output Voltage: 2.5 V, 2.7 V, 2.8 V, 3.0 V, 3.3 V
D Output Noise Typically 50 µV
D Quiescent Current Typically 85 µA
D Dropout Voltage, Typically 300 mV
at 150 mA
D Thermal Protection
D Over Current Limitation
D Less Than 2-µA Quiescent Current in
Shutdown Mode
D –40°C to 125°C Operating Junction
Temperature Range
D 5-Pin SOT-23 (DBV) Package
description
The TPS764xx family of low-dropout (LDO) voltage regulators offers the benefits of a low noise, low-dropout
voltage, low-power operation, and miniaturized package. Additionally, they feature low quiescent current when
compared to conventional LDO regulators. Offered in 5-terminal small outline integrated-circuit SOT-23
package, the TPS764xx series devices are ideal for low-noise applications, cost-sensitive designs and
applications where board space is at a premium.
A combination of new circuit design and process innovation has enabled the usual pnp pass transistor to be
replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the
dropout voltage is very low—typically 300 mV at 150 mA of load current (TPS76433)—and is directly
proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current
is very low (140
µA maximum) and is stable over the entire range of output load current (0 mA to 150 mA).
Intended for use in portable systems such as laptops and cellular phones, the low-dropout voltage feature and
low-power operation result in a significant increase in system battery operating life.
The TPS764xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current
to 1
µA maximum at TJ = 25°C.The TPS764xx is offered in 2.5-V, 2.7-V, 2.8-V, 3.0-V, and 3.3-V fixed-voltages.
AVAILABLE OPTIONS
TJ
VOLTAGE
PACKAGE
PART NUMBER
SYMBOL
2.5 V
TPS76425DBVT†
TPS76425DBVR‡
PBJI
2.7 V
SOT 23
TPS76427DBVT†
TPS76427DBVR‡
PBKI
–40
°C to 125°C
2.8 V
SOT-23
(DBV)
TPS76428DBVT†
TPS76428DBVR‡
PCEI
3.0 V
(DBV)
TPS76430DBVT†
TPS76430DBVR‡
PBLI
3.3 V
TPS76433DBVT†
TPS76433DBVR‡
PBMI
† The DBVT passive indicates tape and reel of 250 parts.
‡ The DBVR passive indicates tape and reel of 3000 parts.
Copyright
 2001, Texas Instruments Incorporated
PRODUCTION DATA information is 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.
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.
3
2
4
5
DBV PACKAGE
(TOP VIEW)
1
IN
GND
EN
OUT
BYPASS


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