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SM72238 Datasheet Preview

SM72238 Datasheet

Micropower Voltage Regulator

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SM72238
www.ti.com
SNVS694C – JANUARY 2011 – REVISED APRIL 2013
Micropower Voltage Regulator
Check for Samples: SM72238
FEATURES
1
2 Renewable Energy Grade
• High-Accuracy Output Voltage
• Ensured 100mA Output Current
• Extremely Low Quiescent Current
• Low Dropout Voltage
• Extremely Tight Load and Line Regulation
• Very Low Temperature Coefficient
• Use as Regulator or Reference
• Needs Minimum Capacitance for Stability
• Current and Thermal Limiting
• Stable With Low-ESR Output Capacitors
(10mto 6)
DESCRIPTION
The SM72238 is a micropower voltage regulator with
very low quiescent current (75µA typ.) and very low
dropout voltage (typ. 40mV at light loads and 380mV
at 100mA). It is ideally suited for use in battery-
powered systems. Furthermore, the quiescent current
of the SM72238 increases only slightly in dropout,
prolonging battery life.
The SM72238 is available in the surface-mount D-
Pak package.
Careful design of the SM72238 has minimized all
contributions to the error budget. This includes a tight
initial tolerance (.5% typ.), extremely good load and
line regulation (.05% typ.) and a very low output
voltage temperature coefficient, making the part
useful as a low-power voltage reference.
Block Diagram and Typical Applications
Figure 1. SM72238
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.
Copyright © 2011–2013, Texas Instruments Incorporated




etcTI

SM72238 Datasheet Preview

SM72238 Datasheet

Micropower Voltage Regulator

No Preview Available !

SM72238
SNVS694C – JANUARY 2011 – REVISED APRIL 2013
Connection Diagrams
Front View
www.ti.com
Figure 2. PFM Package
See Package Number NDP0003B
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings(1)(2)
Input Supply Voltage
Power Dissipation
Junction Temperature (TJ)
Ambient Storage Temperature
Soldering Dwell Time, Temperature
Wave
Infrared
ESD Rating
Vapor Phase
Human Body Model(3)
0.3 to +30V
Internally Limited
+150°C
65° to +150°C
4 seconds, 260°C
10 seconds, 240°C
75 seconds, 219°C
2500V
(1) Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which
operation of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits and
associated test conditions, see the Electrical Characteristics tables.
(2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications.
(3) Human Body Model 1.5kΩ in series with 100pF.
Operating Ratings(1)
Maximum Input Supply Voltage
Junction Temperature Range, (TJ)(2)
30V
40° to +125°C
(1) Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which
operation of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits and
associated test conditions, see the Electrical Characteristics tables.
(2) Junction-to-case thermal resistance for the PFM package is 5.4°C/W.
2
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Product Folder Links: SM72238
Copyright © 2011–2013, Texas Instruments Incorporated



Part Number SM72238
Description Micropower Voltage Regulator
Maker etcTI
Total Page 3 Pages
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SM72238 Datasheet PDF





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