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RC2951MT

Description
volt regulator|fixed/adjustable|+5V/+1.24 TO +29v|bipolar|sop|8pin|plastic
CategoryPower/power management    The power supply circuit   
File Size102KB,11 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Download Datasheet Parametric Compare View All

RC2951MT Overview

volt regulator|fixed/adjustable|+5V/+1.24 TO +29v|bipolar|sop|8pin|plastic

RC2951MT Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerFairchild
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
AdjustabilityFIXED/ADJUSTABLE
Maximum drop-back voltage 10.7 V
Nominal dropback voltage 10.38 V
Maximum absolute input voltage30 V
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9 mm
Maximum grid adjustment rate0.025%
Maximum load regulation0.02%
Number of functions1
Output times1
Number of terminals8
Working temperatureTJ-Max150 °C
Working temperature TJ-Min-55 °C
Maximum output current 10.1 A
Maximum output voltage 129 V
Minimum output voltage 11.24 V
Nominal output voltage 15 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
method of packingTAPE AND REEL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.75 mm
surface mountYES
technologyBIPOLAR
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance1.2%
width3.9 mm
www.fairchildsemi.com
RC2951
Adjustable Micropower Voltage Regulator
Features
High accuracy output voltage
Guaranteed 100 mA output current
Extremely low quiescent current
Extremely tight load and line regulation
Requires only a 1.0µF output capacitor for stability
Internal Current and Thermal Limiting
Error flag warns of output dropout
Logic-controlled electronic shutdown
Output programmable from 1.24 to 29V
Fixed 3.3V version available
-25°C to +85°C operating range
8 lead SOIC package
Description
The RC2951 is a voltage regulator specifically designed to
maintain proper regulation with a very low dropout voltage
(Typ. 40mV at light loads and 380 mV at 100mA). It has a
low quiescent bias current of 75µA and is capable of supply-
ing output currents in excess of 100mA. It has internal cur-
rent and thermal limiting protection. The output can be
programmed from 1.24V to 29V with two external resistors.
A fixed output voltage (3.3V) is also available.
The error flag output can be used as power-on reset for
warning of a low output voltage. The Shutdown input feature
allows a logic level signal to turn on and off the regulator
output. The RC2951 is ideally suited for battery powered
computer, consumer, and industrial equipment where an
extension of useful battery life is desirable. The RC2951 is
available in an 8-pin SOIC package.
Block Diagram
Unregulated DC
7
+
Feed-
Back
8
Input
1
Output
2
+
From
CMOS
or TTL
3
Shut
Down
+
+
60 mV
+
1.23V
Reference
Error
4
Ground
Error Detection Comparator
To CMOS
or TTL
Error
Amplifier
6
V
TAP
5
330kΩ
+
See Application
Discussion
Sense
V
OUT
I
L
100 mA
PRELIMINARY INFORMATION
describes products that are not in full production at the time of printing. Specifications are based on design goals
REV. 1.0.1 4/8/02
and limited characterization. They may change without notice. Contact Raytheon for current information.

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RC2951MT RC2951M33 RC2951MT_NL
Description volt regulator|fixed/adjustable|+5V/+1.24 TO +29v|bipolar|sop|8pin|plastic volt regulator|fixed/adjustable|+3.3/+1.24 TO 29v|bipolar|sop|8pin|plastic Regulator, 1 Output, BIPolar, PDSO8,
Is it Rohs certified? incompatible incompatible conform to
Maker Fairchild Fairchild Fairchild
package instruction SOP, SOP8,.25 SOP, SOP8,.25 SOP, SOP8,.25
Reach Compliance Code unknown unknown compliant
Adjustability FIXED/ADJUSTABLE FIXED/ADJUSTABLE FIXED/ADJUSTABLE
Nominal dropback voltage 1 0.38 V 0.38 V 0.38 V
Maximum absolute input voltage 30 V 30 V 30 V
JESD-30 code R-PDSO-G8 R-PDSO-G8 R-PDSO-G8
Maximum grid adjustment rate 0.025% 0.0165% 0.025%
Maximum load regulation 0.02% 0.0132% 0.02%
Output times 1 1 1
Number of terminals 8 8 8
Working temperatureTJ-Max 150 °C 150 °C 85 °C
Working temperature TJ-Min -55 °C -55 °C -25 °C
Maximum output current 1 0.1 A 0.1 A 0.1 A
Maximum output voltage 1 29 V 29 V 29 V
Minimum output voltage 1 1.24 V 1.24 V 1.24 V
Nominal output voltage 1 5 V 3.3 V 5 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP SOP
Encapsulate equivalent code SOP8,.25 SOP8,.25 SOP8,.25
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Certification status Not Qualified Not Qualified Not Qualified
surface mount YES YES YES
technology BIPOLAR BIPOLAR BIPOLAR
Terminal form GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL
Maximum voltage tolerance 1.2% 1.2% 1.2%
Parts packaging code SOIC SOIC -
Contacts 8 8 -
ECCN code EAR99 EAR99 -
Maximum drop-back voltage 1 0.7 V 0.7 V -
JESD-609 code e0 e0 -
length 4.9 mm 4.9 mm -
Number of functions 1 1 -
method of packing TAPE AND REEL - TAPE AND REEL
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED -
Regulator type FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR -
Maximum seat height 1.75 mm 1.75 mm -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) -
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED -
width 3.9 mm 3.9 mm -
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