The 78SR100 is a series of wide input
voltage, 3-terminal Integrated Switching
Regulators (ISRs). These ISRs have a maximum output current of 1.5A and an output
voltage that is laser trimmed to a variety of
industry standard voltages.
These 78 series regulators have excellent
line and load regulation with internal shortcircuit and over-temperature protection, are
very flexible, and may be used in a wide
variety of applications.
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
CHARACTERISTIC DATA
For assistance or to order, call (800) 531-5782
78SR100Series
78SR133_ 3.3 VDC (See Note 1)
78SR105_ 5.0 VDC (See Note 1)
Efficiency vs Output CurrentEfficiency vs Output Current
100
90
80
70
60
Efficiency (%)Ripple (mV)Iout (A)Pd (Watts)
50
40
0.00.51.01.5
Iout (A)
Vin
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
100
90
80
70
60
Efficiency (%)
50
40
0.00.51.01.5
Iout (A)
Ripple vs Output CurrentRipple vs Output Current
60
50
40
30
20
10
0
0.00.51.01.5
Iout (A)
Vin
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
80
70
60
50
40
30
Ripple (mV)
20
10
0
0.00.51.01.5
Iout (A)
78SR112_ 12.0 VDC (See Note 1)
DATA SHEETS
Efficiency vs Output Current
100
Vin
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
90
80
70
60
Efficiency (%)
50
40
0.00.51.01.5
Vin
14.0V
20.0V
25.0V
30.0V
35.0V
Iout (A)
Ripple vs Output Current
140
Vin
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
120
100
80
60
Ripple (mV)Iout (A)
40
20
0
0.00.51.01.5
Iout (A)
Vin
14.0V
20.0V
25.0V
30.0V
35.0V
Thermal Derating (T
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
9 13172125
) (See Note 2)Thermal Derating (Ta) (See Note 2)
a
60°C
70°C
85°C
1.6
1.4
1.2
1
0.8
Iout (A)
0.6
0.4
0.2
0
9 12151821242730333639
60°C
70°C
85°C
Thermal Derating (T
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
85°C
161922252831343740
Vin (Volts)
Power Dissipation vs Output CurrentPower Dissipation vs Output Current
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.00.51.01.5
Vin
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
1.8
1.6
1.4
1.2
1.0
0.8
Pd (Watts)
0.6
0.4
0.2
0.0
0.00.51.01.5
Vin
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
Power Dissipation vs Output Current
2.5
2.0
1.5
1.0
Pd (Watts)
0.5
0.0
0.00.51.01.5
Iout (A)Iout (A)Iout (A)
Note 1: All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note 2: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application Notes.)
70°C
Vin (Volts)Vin (Volts)
) (See Note 2)
a
60°C
Vin
14.0V
20.0V
25.0V
30.0V
35.0V
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
3
PACKAGE OPTION ADDENDUM
www.ti.com
PACKAGING INFORMATION
Orderable DeviceStatus
78SR105HCNRNDSIP MOD
78SR105SCNRNDSIP MOD
78SR105SCTOBSOLETE SIP MOD
78SR105TCNRNDSIP MOD
78SR105VCNRNDSIP MOD
78SR106HCNRNDSIP MOD
78SR106SCNRNDSIP MOD
78SR106SCTOBSOLETE SIP MOD
78SR106TCNRNDSIP MOD
78SR106VCNRNDSIP MOD
78SR108HCNRNDSIP MOD
78SR108SCNRNDSIP MOD
78SR108SCTOBSOLETE SIP MOD
78SR108VCNRNDSIP MOD
78SR109HCNRNDSIP MOD
78SR109SCOBSOLETE SIP MOD
78SR109SCTOBSOLETE SIP MOD
78SR109VCNRNDSIP MOD
78SR110HCNRNDSIP MOD
78SR110SCOBSOLETE SIP MOD
78SR110SCTOBSOLETE SIP MOD
78SR110VCNRNDSIP MOD
78SR112HCNRNDSIP MOD
78SR112SCNRNDSIP MOD
78SR112SCTOBSOLETE SIP MOD
(1)
Package
Type
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
ULE
13-May-2005
Package
Drawing
EFA325TBDCall TILevel-1-215C-UNLIM
EFC325TBDCall TILevel-1-215C-UNLIM
EFC3TBDCall TICall TI
EFT325TBDCall TILevel-1-215C-UNLIM
EFD325TBDCall TILevel-1-215C-UNLIM
EFA325TBDCall TILevel-1-215C-UNLIM
EFC325TBDCall TILevel-1-215C-UNLIM
EFC3TBDCall TICall TI
EFT325TBDCall TILevel-1-215C-UNLIM
EFD325TBDCall TILevel-1-215C-UNLIM
EFA325TBDCall TILevel-1-215C-UNLIM
EFC325TBDCall TILevel-1-215C-UNLIM
EFC3TBDCall TICall TI
EFD325TBDCall TILevel-1-215C-UNLIM
EFA325TBDCall TILevel-1-215C-UNLIM
EFC3TBDCall TILevel-1-215C-UNLIM
EFC3TBDCall TICall TI
EFD325TBDCall TILevel-1-215C-UNLIM
EFA325TBDCall TILevel-1-215C-UNLIM
EFC3TBDCall TICall TI
EFC3TBDCall TICall TI
EFD325TBDCall TILevel-1-215C-UNLIM
EFA325TBDCall TILevel-1-215C-UNLIM
EFC325TBDCall TILevel-1-215C-UNLIM
EFC3TBDCall TICall TI
Pins Package
Qty
Eco Plan
(2)
Lead/Ball Finish MSL Peak Temp
(3)
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
Orderable DeviceStatus
(1)
Package
78SR112TCNRNDSIP MOD
Type
Package
Drawing
Pins Package
Qty
Eco Plan
(2)
Lead/Ball Finish MSL Peak Temp
EFT325TBDCall TILevel-1-215C-UNLIM
13-May-2005
(3)
ULE
78SR112VCNRNDSIP MOD
EFD325TBDCall TILevel-1-215C-UNLIM
ULE
78SR114HCNRNDSIP MOD
EFA325TBDCall TILevel-1-215C-UNLIM
ULE
78SR114SCOBSOLETE SIP MOD
EFC3TBDCall TICall TI
ULE
78SR114SCTOBSOLETE SIP MOD
EFC3TBDCall TICall TI
ULE
78SR114VCNRNDSIP MOD
EFD325TBDCall TILevel-1-215C-UNLIM
ULE
78SR114WCOBSOLETE SIP MOD
EFW3TBDCall TICall TI
ULE
78SR115HCNRNDSIP MOD
EFA325TBDCall TILevel-1-215C-UNLIM
ULE
78SR115SCNRNDSIP MOD
EFC325TBDCall TILevel-1-215C-UNLIM
ULE
78SR115SCTOBSOLETE SIP MOD
EFC3TBDCall TICall TI
ULE
78SR115TCOBSOLETE SIP MOD
EFT3TBDCall TILevel-1-215C-UNLIM
ULE
78SR115VCNRNDSIP MOD
EFD325TBDCall TILevel-1-215C-UNLIM
ULE
78SR153HCNRNDSIP MOD
EFA325TBDCall TILevel-1-215C-UNLIM
ULE
78SR153SCNRNDSIP MOD
EFC325TBDCall TILevel-1-215C-UNLIM
ULE
78SR153SCTOBSOLETE SIP MOD
EFC3TBDCall TICall TI
ULE
78SR153TCOBSOLETE SIP MOD
EFT3TBDCall TICall TI
ULE
78SR153VCNRNDSIP MOD
EFD325TBDCall TILevel-1-215C-UNLIM
ULE
78SR174HCNRNDSIP MOD
EFA325TBDCall TILevel-1-215C-UNLIM
ULE
78SR174SCNRNDSIP MOD
EFC325TBDCall TILevel-1-215C-UNLIM
ULE
78SR174SCTOBSOLETE SIP MOD
EFC3TBDCall TICall TI
ULE
78SR174VCNRNDSIP MOD
EFD325TBDCall TILevel-1-215C-UNLIM
ULE
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
Addendum-Page 2
PACKAGE OPTION ADDENDUM
www.ti.com
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
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 by TI
to Customer on an annual basis.
13-May-2005
Addendum-Page 3
IMPORTANT NOTICE
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
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TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty . Except where mandated by government requirements, testing of all
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TI assumes no liability for applications assistance or customer product design. Customers are responsible for
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