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TPS77718PWP Datasheet(PDF) 2 Page - Texas Instruments

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Part # TPS77718PWP
Description  FAST-TRANSIENT-RESPONSE 750mA LOW-DROPOUT LINEAR REGULATORS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS77718PWP Datasheet(HTML) 2 Page - Texas Instruments

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TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 with RESET OUTPUT
TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 with PG OUTPUT
FAST TRANSIENT RESPONSE 750mA LOW DROPOUT LINEAR REGULATORS
SLVS230G − SEPTEMBER 1999 − REVISED JANUARY 2004
www.ti.com
2
description (continued)
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 260 mV at an output
current of 750 mA for the TPS77x33) 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 85
µA over
the full range of output current, 0 mA to 750 mA). These two key specifications yield a significant improvement in operating
life for battery-powered systems. 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 1
µA at TJ = 25°C.
The RESET output of the TPS777xx initiates a reset in microcomputer and microprocessor systems in the event of an
undervoltage condition. An internal comparator in the TPS777xx monitors the output voltage of the regulator to detect an
undervoltage condition on the regulated output voltage.
Power good (PG) of the TPS778xx is an active high output, which can be used to implement a power-on reset or a
low-battery indicator.
The TPS777xx and TPS778xx are 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 1.5 V to 5.5 V for the TPS77701 option and 1.2 V to 5.5 V for the TPS77801 option).
Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges. The TPS777xx and
TPS778xx families are available in 8-pin SOIC and 20-pin PWP packages.
AVAILABLE OPTIONS
TJ
OUTPUT
VOLTAGE
(V)
PACKAGED DEVICES
TJ
TYP
TSSOP
(PWP)
SOIC
(D)
3.3
TPS77733PWP
TPS77833PWP
TPS77733D
TPS77833D
2.5
TPS77725PWP
TPS77825PWP
TPS77725D
TPS77825D
1.8
TPS77718PWP
TPS77818PWP
TPS77718D
TPS77818D
−40
°C to 125°C
1.5
TPS77715PWP
TPS77815PWP
TPS77715D
TPS77815D
−40
°C to 125°C
Adjustable
1.5 V to 5.5 V
TPS77701PWP
TPS77701D
Adjustable
1.2 V to 5.5 V
TPS77801PWP
TPS77801D
The TPS77x01 is programmable using an external resistor divider (see application information). The D and PWP
packages are available taped and reeled. Add an R suffix to the device type (e.g., TPS77701DR).
(1) See application information section for capacitor selection details.
RESET/
PG
OUT
OUT
7
6
5
IN
IN
EN
GND
3
16
14
13
VI
0.1
µF
RESET/PG
VO
10
µF
+
Co(1)
Figure 1. Typical Application Configuration for Fixed Output Options


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