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TPS73230DCQG4 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza TPS73230DCQG4
Descripción Electrónicos  Cap-Free, NMOS, 250mA Low Dropout Regulator with Reverse Current Protection
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS73230DCQG4 Datasheet(HTML) 1 Page - Texas Instruments

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1
FEATURES
DESCRIPTION
APPLICATIONS
DCQPACKAGE
SOT223
(TOPVIEW)
DBVPACKAGE
SOT23
(TOPVIEW)
IN
GND
EN
NR/FB
OUT
1
2
3
4
5
1
IN
OUT
GND
NR/FB
EN
TABISGND
6
IN
N/C
N/C
EN
8
7
6
5
OUT
N/C
NR/FB
GND
1
2
3
4
DRB PACKAGE
3mmx 3mmSON
(TOP VIEW)
2
3
5
4
TPS732xx
GND
EN
NR
IN
OUT
V
IN
V
OUT
Optional
Optional
Optional
Typical Application Circuit for Fixed-Voltage Versions
TPS732xx
SBVS037L – AUGUST 2003 – REVISED AUGUST 2007
www.ti.com
Cap-Free, NMOS, 250mA Low Dropout Regulator
with Reverse Current Protection
2
• Stable with No Output Capacitor or Any Value
The TPS732xx family of low-dropout (LDO) voltage
or Type of Capacitor
regulators uses a new topology: an NMOS pass
element in a voltage-follower configuration. This
• Input Voltage Range: 1.7V to 5.5V
topology is stable using output capacitors with low
• Ultralow Dropout Voltage: 40mV Typ at 250mA
ESR, and even allows operation without a capacitor.
• Excellent Load Transient Response—with or
It also provides high reverse blockage (low reverse
without Optional Output Capacitor
current) and ground pin current that is nearly constant
over all values of output current.
• New NMOS Topology Provides Low Reverse
Leakage Current
The TPS732xx uses an advanced BiCMOS process
to yield high precision while delivering very low
• Low Noise: 30µV
RMS Typ (10kHz to 100kHz)
dropout voltages and low ground pin current. Current
• 0.5% Initial Accuracy
consumption, when not enabled, is under 1
µA and
• 1% Overall Accuracy (Line, Load, and
ideal for portable applications. The extremely low
Temperature)
output noise (30
µV
RMS with 0.1µF CNR) is ideal for
powering VCOs. These devices are protected by
• Less Than 1µA Max I
Q in Shutdown Mode
thermal shutdown and foldback current limit.
• Thermal Shutdown and Specified Min/Max
Current Limit Protection
• Available in Multiple Output Voltage Versions
Fixed Outputs of 1.20V to 5.0V
Adjustable Outputs from 1.20V to 5.5V
Custom Outputs Available
• Portable/Battery-Powered Equipment
• Post-Regulation for Switching Supplies
• Noise-Sensitive Circuitry such as VCOs
• Point of Load Regulation for DSPs, FPGAs,
ASICs, and Microprocessors
1
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.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2003–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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