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TPS75515 Datasheet(PDF) 2 Page - Texas Instruments

Part No. TPS75515
Description  FAST-TRANSIENT RESPONSE 5-A LOW-DROPOUT VOLTAGE REGULATORS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS75515 Datasheet(HTML) 2 Page - Texas Instruments

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TPS75515, TPS75518, TPS75525, TPS75533 WITH POWER GOOD AND
TPS75501 FAST-TRANSIENT RESPONSE 5-A LOW-DROPOUT
VOLTAGE REGULATORS
SLVS293D – NOVEMBER 2000 – REVISED MAY 2002
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 250 mV
at an output current of 5 A for the TPS75533) 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 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 TPS755xx 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 TPS755xx 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
TPS75533KC
TPS75533KTT
2.5 V
TPS75525KC
TPS75525KTT
– 40
°C to 125°C
1.8 V
TPS75518KC
TPS75518KTT
1.5 V
TPS75515KC
TPS75515KTT
Adjustable 1.22 V to 5 V
TPS75501KC
TPS75501KTT
NOTE: The TPS75501 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., TPS75501KTTR) to indicate tape and reel.
† See application information section for capacitor selection details.
PG
OUT
2
1
IN
EN
GND
3
5
4
VI
1
µF
PG
VO
47
µF
+
Co†
Figure 1. Typical Application Configuration (For Fixed Output Options)


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