The TPS731xx family of low-dropout (LDO) linear voltage regulators uses a new topology: an NMOS pass element in a voltage-follower configuration

 

TPS73118

Manufacturer Part NumberTPS73118
DescriptionThe TPS731xx family of low-dropout (LDO) linear voltage regulators uses a new topology: an NMOS pass element in a voltage-follower configuration
ManufacturerTexas Instruments
TPS73118 datasheets

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Specifications of TPS73118

Iout(max)(a)0.1Vdo(typ)(mv)30
Iq(typ)(ma)0.4Vin(min)(v)1.7
Vin(max)(v)5.5Vout Adj(min)(v)1.8
Vout Adj(max)(v)1.8Accuracy(%)1
Output Capacitor TypeCapacitor FreeFixed Output Options(v)1.8
Vout(min)(v)1.8Vout(max)(v)1.8
Pin/package5SOT-23Regulated Outputs(#)1
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..........................................................................................................................................
Cap-Free, NMOS, 150mA Low Dropout Regulator
FEATURES
1
•
Stable with No Output Capacitor or Any Value
2
or Type of Capacitor
•
Input Voltage Range of 1.7V to 5.5V
•
Ultralow Dropout Voltage: 30mV Typ
•
Excellent Load Transient Response—with or
without Optional Output Capacitor
•
New NMOS Topology Provides Low Reverse
Leakage Current
•
Low Noise: 30μV
Typ (10kHz to 100kHz)
RMS
•
0.5% Initial Accuracy
•
1% Overall Accuracy over Line, Load, and
Temperature
•
Less Than 1μA Max I
in Shutdown Mode
Q
•
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
APPLICATIONS
•
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
space
Optional
V
IN
IN
TPS731xx
EN
GND
ON
OFF
Typical Application Circuit for Fixed-Voltage Versions
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.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
with Reverse Current Protection
DESCRIPTION
The TPS731xx family of low-dropout (LDO) linear
voltage regulators uses a new topology: an NMOS
pass element in a voltage-follower configuration. This
topology is stable using output capacitors with low
ESR, and even allows operation without a capacitor.
It also provides high reverse blockage (low reverse
current) and ground pin current that is nearly constant
over all values of output current.
The TPS731xx uses an advanced BiCMOS process
to yield high precision while delivering very low
dropout voltages and low ground pin current. Current
consumption, when not enabled, is under 1μA and
ideal for portable applications. The extremely low
output noise (30μV
powering VCOs. These devices are protected by
thermal shutdown and foldback current limit.
Optional
V
OUT
OUT
NR
Optional
TPS731xx
SBVS034M – SEPTEMBER 2003 – REVISED AUGUST 2009
with 0.1μF C
) is ideal for
RMS
NR
DBV PACKAGE
SOT23
(TOP VIEW)
IN
1
OUT
5
GND
2
EN
3
NR/FB
4
Copyright © 2003–2009, Texas Instruments Incorporated

Related parts for TPS73118

Part Number DescriptionManufacturer Datasheet
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TPS73118 Summary of contents

  • Page 1

    ... Optional V OUT OUT NR Optional TPS731xx SBVS034M – SEPTEMBER 2003 – REVISED AUGUST 2009 with 0.1μ ideal for RMS NR DBV PACKAGE SOT23 (TOP VIEW OUT 5 GND NR/FB 4 Copyright © 2003–2009, Texas Instruments Incorporated ...

  • Page 2

    ... TPS731xx SBVS034M – SEPTEMBER 2003 – REVISED AUGUST 2009 This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications ...

  • Page 3

    ... DO (2) TPS73101 is tested 2.5V. OUT (3) Tolerance of external resistors not included in this specification. ( not measured for fixed output versions with V DO (5) Fixed-voltage versions only; refer to the Copyright © 2003–2009, Texas Instruments Incorporated = -40°C to +125°C 0.5V IN OUT(nom) = +25°C. J TEST CONDITIONS T = +25° ...

  • Page 4

    ... IN OUT 80k Table 1. Standard 1% Resistor Values for Common Output Voltages 1.2V Short Open 1.5V 23.2k 95.3k 1.8V 28.0k 56.2k 2.5V 39.2k 36.5k 2.8V 44.2k 33.2k 3.0V 46.4k 30.9k 3.3V 52.3k 30.1k NOTE )/R 1.204; OUT OUT R R 19k for best 1 2 accuracy Copyright © 2003–2009, Texas Instruments Incorporated 2 ...

  • Page 5

    ... Adjustable voltage version only—this is the input to the control loop error amplifier, and is used to set the FB 4 output voltage of the device. OUT 5 Output of the regulator. There are no output capacitor requirements for stability. Copyright © 2003–2009, Texas Instruments Incorporated SBVS034M – SEPTEMBER 2003 – REVISED AUGUST 2009 PIN CONFIGURATION DBV PACKAGE SOT23 (TOP VIEW) 5 ...

  • Page 6

    ... LINE REGULATION Referred 0. OUT OUT +25_ C +125 _ C 40_ C 0.5 1.0 1.5 2.0 2.5 3.0 3 (V) IN OUT Figure 4. = 150mA 100 Temperature (_ C) Figure 6. = 10mA OUT /dT (ppm Worst Case dV OUT Figure 8. Copyright © 2003–2009, Texas Instruments Incorporated www.ti.com = 10mA 4.0 4.5 125 ...

  • Page 7

    ... Temperature (_C) Figure 11. CURRENT LIMIT vs V 500 450 400 350 300 250 200 150 1.5 2.0 2.5 3.0 3.5 V (V) IN Figure 13. Copyright © 2003–2009, Texas Instruments Incorporated = V + 0.5V 10mA OUT(nom) OUT GROUND PIN CURRENT vs TEMPERATURE 700 I 600 500 400 300 200 100 IN ...

  • Page 8

    ... IN OUT Figure 16. NOISE SPECTRAL DENSITY C = 0.01μ OUT OUT C OUT = 150mA 100 1k 10k Frequency (Hz) Figure 18. RMS NOISE VOLTAGE 5.0V = 3. OUT 10p 100p 1n C (F) NR Figure 20. Copyright © 2003–2009, Texas Instruments Incorporated www.ti.com 1.8 2 100k 10n ...

  • Page 9

    ... OUT 2V 1V/div 0V 100 s/div Figure 23. TPS73133 POWER UP / POWER DOWN OUT 50ms/div Figure 25. Copyright © 2003–2009, Texas Instruments Incorporated = V + 0.5V 10mA OUT(nom) OUT OUT V OUT 50mV/div OUT V OUT OUT 50mV/div ...

  • Page 10

    ... OUT V OUT 10mA I OUT www.ti.com = 1.7V, and C = 0.1μF, unless otherwise OUT TPS73101 I vs TEMPERATURE 100 Temperature (_C) Figure 28. TPS73101 V = 2.5V OUT C = 10nF OUT OUT 4.5V 3.5V 5 s/div Figure 30. Copyright © 2003–2009, Texas Instruments Incorporated 125 V OUT V OUT V IN ...

  • Page 11

    ... Figure resistor values for common output voltages are shown in Figure 2. Copyright © 2003–2009, Texas Instruments Incorporated APPLICATION INFORMATION For best accuracy, make the parallel combination of R and addition to the internal 8kΩ resistor, presents the reverse same impedance to the error amp as the 27kΩ ...

  • Page 12

    ... TPS731xx can take a couple of hundred microseconds to return to the specified regulation OUT accuracy. Copyright © 2003–2009, Texas Instruments Incorporated www.ti.com below 0.5V EN (see Figure 23). OUT . However, the pass gate may not be IN has been removed ...

  • Page 13

    ... If this is not done, the pass element may be left on due to stored charge on the gate. Copyright © 2003–2009, Texas Instruments Incorporated After the EN pin is driven low, no bias voltage is needed on any pin for reverse current blocking. Note that reverse current is specified as the current flowing ...

  • Page 14

    ... Solder Pad Recommendations for Surface-Mount Devices (SBFA015), available from the Texas Instruments web site at www.ti.com equal to the OUT REVISION HISTORY ..................................................................................................... * OUT OUT pad footprint recommendations ............................................. 12 ................................ 12 Copyright © 2003–2009, Texas Instruments Incorporated www.ti.com (6) for the Page ...

  • Page 15

    ... TPS731125DBVRG4 ACTIVE TPS731125DBVT ACTIVE TPS731125DBVTG4 ACTIVE TPS73115DBVR ACTIVE TPS73115DBVRG4 ACTIVE TPS73115DBVT ACTIVE TPS73115DBVTG4 ACTIVE TPS73118DBVR ACTIVE TPS73118DBVRG4 ACTIVE TPS73118DBVT ACTIVE TPS73118DBVTG4 ACTIVE TPS73125DBVR ACTIVE TPS73125DBVRG4 ACTIVE TPS73125DBVT ACTIVE TPS73125DBVTG4 ACTIVE TPS73130DBVR ACTIVE TPS73130DBVRG4 ACTIVE TPS73130DBVT ACTIVE TPS73130DBVTG4 ACTIVE TPS73131DBVR ACTIVE PACKAGE OPTION ADDENDUM ...

  • Page 16

    Orderable Device Status TPS73131DBVRG4 ACTIVE TPS73131DBVT ACTIVE TPS73131DBVTG4 ACTIVE TPS73132DBVR ACTIVE TPS73132DBVRG4 ACTIVE TPS73132DBVT ACTIVE TPS73132DBVTG4 ACTIVE TPS73133DBVR ACTIVE TPS73133DBVRG4 ACTIVE TPS73133DBVT ACTIVE TPS73133DBVTG4 ACTIVE TPS73150DBVR ACTIVE TPS73150DBVRG4 ACTIVE TPS73150DBVT ACTIVE TPS73150DBVTG4 ACTIVE (1) The marketing status values ...

  • Page 17

    ... In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold Customer on an annual basis. OTHER QUALIFIED VERSIONS OF TPS73101, TPS731125, TPS73115, TPS73118, TPS73125, TPS73130, TPS73132, TPS73133, TPS73150 : Enhanced Product: TPS73101-EP, • ...

  • Page 18

    ... SOT-23 DBV TPS73101DBVT SOT-23 DBV TPS731125DBVR SOT-23 DBV TPS731125DBVT SOT-23 DBV TPS73115DBVR SOT-23 DBV TPS73115DBVT SOT-23 DBV TPS73118DBVR SOT-23 DBV TPS73118DBVT SOT-23 DBV TPS73125DBVR SOT-23 DBV TPS73125DBVT SOT-23 DBV TPS73130DBVR SOT-23 DBV TPS73130DBVT SOT-23 DBV TPS73131DBVR SOT-23 DBV TPS73131DBVT SOT-23 DBV ...

  • Page 19

    ... Device Package Type TPS73101DBVR SOT-23 TPS73101DBVT SOT-23 TPS731125DBVR SOT-23 TPS731125DBVT SOT-23 TPS73115DBVR SOT-23 TPS73115DBVT SOT-23 TPS73118DBVR SOT-23 TPS73118DBVT SOT-23 TPS73125DBVR SOT-23 TPS73125DBVT SOT-23 TPS73130DBVR SOT-23 TPS73130DBVT SOT-23 TPS73131DBVR SOT-23 TPS73131DBVT SOT-23 TPS73132DBVR SOT-23 PACKAGE MATERIALS INFORMATION Pins ...

  • Page 20

    Device Package Type TPS73132DBVT SOT-23 TPS73133DBVR SOT-23 TPS73133DBVT SOT-23 TPS73150DBVR SOT-23 TPS73150DBVT SOT-23 PACKAGE MATERIALS INFORMATION Package Drawing Pins SPQ Length (mm) DBV 5 250 DBV 5 3000 DBV 5 250 DBV 5 3000 DBV 5 250 Pack Materials-Page ...

  • Page 21

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  • Page 23

    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...

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