Datasheet

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FEATURES DESCRIPTION
APPLICATIONS
3
2
4
5
DBVPackage(TopView)
TPS723xx
1
GND
IN
EN
OUT
NR
FixedOption
3
2
4
5
DBVPackage(TopView)
TPS72301
1
GND
IN
EN
OUT
FB
AdjustableOption
On
On
Off
GND
+1.5V
-1.5V
OUT
NR
GND
EN
IN
3
2
4
1
5
TypicalApplicationCircuit
On
On
Off
GND
+1.5V
-1.5V
2.2 Fm 2.2 Fm
10nF
TPS72301
TPS72325
SLVS346B – SEPTEMBER 2003 – REVISED JULY 2007
200mA Low-Noise, High-PSRR Negative Output Low-Dropout Linear Regulators
• Ultralow Noise: 60 μ V
RMS
Typical
The TPS723xx family of low-dropout (LDO) negative
voltage regulators offers an ideal combination of
• High PSRR: 65dB Typical at 1kHz
features to support low noise applications. These
• Low Dropout Voltage: 280mV Typical at
devices are capable of operating with input voltages
200mA, 2.5V
from –10V to –2.7V, and support outputs from –10V
• Available in –2.5V and Adjustable (–1.2V to
to –1.2V. These regulators are stable with small,
–10V) Versions
low-cost ceramic capacitors, and include enable (EN)
and noise reduction (NR) functions. Thermal
• Stable With a 2.2 μ F Ceramic Output Capacitor
short-circuit and over-current protections are
• Less Than 2 μ A Typical Quiescent Current in
provided by internal detection and shutdown logic.
Shutdown Mode
High PSRR (65dB at 1kHz) and low noise (60 μ V
RMS
)
• 2% Overall Accuracy
make the TPS723xx ideal for low-noise applications.
(Line, Load, Temperature)
The TPS723xx uses a precision voltage reference to
• Thermal and Over-Current Protection
achieve 2% overall accuracy over load, line, and
temperature variations. Available in a small SOT23-5
• SOT23-5 (DBV) Package
package, the TPS723xx family is fully specified over
• Operating Junction Temperature Range:
a temperature range of –40 ° C to +125 ° C.
–40 ° C to +125 ° C
• Optical Drives
• Optical Networking
• Noise Sensitive Circuitry
• GaAs FET Gate Bias
• Video Amplifiers
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.
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.