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TPS75715KTTR Datasheet(PDF) 2 Page - Texas Instruments

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No. de Pieza. TPS75715KTTR
Descripción  TPS75701 FAST-TRANSIENT RESPONSE 3-A LOW-DROPOUT VOLTAGE REGULATORS
Descarga  29 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS75715KTTR Datasheet(HTML) 2 Page - Texas Instruments

 
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TPS75715, TPS75718, TPS75725, TPS75733 WITH POWER GOOD AND
TPS75701 FAST TRANSIENT RESPONSE 3A LOW DROPOUT
VOLTAGE REGULATORS
SLVS306E − NOVEMBER 2000 − REVISED FEBRUARY 2009
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
Because the PMOS device behaves as a low-value resistor, the dropout voltage is low (typically 150 mV at an
output current of 3 A for the TPS75733) and is directly proportional to the output current. Additionally, since the
PMOS pass element is a voltage-driven device, the quiescent current is low and independent of output loading
(typically 125
µA over the full range of output current). These two key specifications yield a significant
improvement in operating life for battery-powered systems.
The device is enabled when EN is connected to a low-level voltage. 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 at TJ = 25°C. The power-good terminal (PG) is an active low, open drain output, which can be used to
implement a power-on reset or a low-battery indicator.
The TPS757xx is offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version
(programmable over the range of 1.22 V to 5 V). Output voltage tolerance is specified as a maximum of 3% over
line, load, and temperature ranges. The TPS757xx family is available in a 5-pin TO−220 (KC) and TO−263 (KTT)
packages.
AVAILABLE OPTIONS
TJ
OUTPUT VOLTAGE
(TYP)
TO−220 (KC)
TO−263(KTT)
3.3 V
TPS75733KC
TPS75733KTT
2.5 V
TPS75725KC
TPS75725KTT
−40
°C to 125°C
1.8 V
TPS75718KC
TPS75718KTT
−40 C to 125 C
1.5 V
TPS75715KC
TPS75715KTT
Adjustable 1.22 V to 5 V
TPS75701KC
TPS75701KTT
NOTE: The TPS75701 is programmable using an external resistor divider (see application
information). The KTT package is available taped and reeled. Add an R suffix to the
device type (e.g., TPS75701KTTR) to indicate tape and reel.
PG
OUT
2
1
IN
EN
GND
3
5
4
VI
1
µF
PG
VO
47
µF
+
Co†
† See application information section for capacitor selection details.
Figure 1. Typical Application Configuration (For Fixed Output Options)


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