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KA7905A

Description
12 V FIXED NEGATIVE REGULATOR, PSFM3
CategoryPower/power management    The power supply circuit   
File Size123KB,18 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Download Datasheet Parametric Compare View All

KA7905A Overview

12 V FIXED NEGATIVE REGULATOR, PSFM3

KA7905A Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerFairchild
Parts packaging codeSFM
package instruction, SIP3,.1TB
Contacts3
Reach Compliance Codeunknow
ECCN codeEAR99
AdjustabilityFIXED
Maximum absolute input voltage35 V
Maximum input voltage25 V
Minimum input voltage7.5 V
JESD-30 codeR-PSFM-T3
JESD-609 codee0
Maximum grid adjustment rate0.05%
Maximum load regulation0.1%
Number of functions1
Output times1
Number of terminals3
Working temperatureTJ-Max125 °C
Operating temperatureTJ-Mi
Maximum output current 11 A
Maximum output voltage 15.2 V
Minimum output voltage 14.8 V
Nominal output voltage 15 V
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeSIP3,.1TB
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR
surface mountNO
technologyBIPOLAR
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance4%
www.fairchildsemi.com
KA79XX/KA79XXA
3-Terminal 1A Negative Voltage Regulator
r
Features
Output Current in Excess of 1A
Output Voltages of -5, -6, -8, -9, -10, -12, -15, -18 , -24V
Internal Thermal Overload Protection
Short Circuit Protection
Output Transistor Safe Operating Area Compensation
Description
The KA79XX/KA79XXA series of three-terminal negative
regulators are available in TO-220 package and with
several fixed output voltages, making them useful in a wide
range of applications. Each type employs internal current
limiting, thermal shutdown and safe operating area
protection, making it essentially indestructible.
TO-220
Vin
1
1. GND 2. Input 3. Output
Internal Block Digram
GND
R1
VOLTAGE
REFERENCE
R2
Out
Output
+
Q1
-
Q2
PROTECTION
CIRCUITRY
Rsc
I1
I2
Input
In
Rev. 1.0.1
©2002 Fairchild Semiconductor Corporation

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Description 12 V FIXED NEGATIVE REGULATOR, PSFM3 12 V FIXED NEGATIVE REGULATOR, PSFM3 12 V FIXED NEGATIVE REGULATOR, PSFM3 12 V FIXED NEGATIVE REGULATOR, PSFM3 12 V FIXED NEGATIVE REGULATOR, PSFM3 12 V FIXED NEGATIVE REGULATOR, PSFM3 12 V FIXED NEGATIVE REGULATOR, PSFM3 12 V FIXED NEGATIVE REGULATOR, PSFM3
Is it Rohs certified? incompatible conform to incompatible incompatible incompatible conform to conform to incompatible
Maker Fairchild Fairchild Fairchild Fairchild Fairchild Fairchild Fairchild Fairchild
Parts packaging code SFM SFM SFM SFM SFM SFM SFM SFM
package instruction , SIP3,.1TB , , SIP3,.1TB , SIP3,.1TB , SIP3,.1TB TO-220, 3 PIN , SIP3,.1TB , SIP3,.1TB
Contacts 3 3 3 3 3 3 3 3
Reach Compliance Code unknow compli unknow unknow compli unknow unknow compli
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Maximum input voltage 25 V 25 V 30 V 26 V 30 V 25 V 30 V 28 V
Minimum input voltage 7.5 V 10.5 V 14.8 V 11.5 V 17.5 V 8 V 17.5 V 12 V
JESD-30 code R-PSFM-T3 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3 R-PSFM-T3
JESD-609 code e0 e3 e0 e0 e0 e3 e3 e0
Number of functions 1 1 1 1 1 1 1 1
Number of terminals 3 3 3 3 3 3 3 3
Working temperatureTJ-Max 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
Maximum output current 1 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A
Maximum output voltage 1 5.2 V 8.4 V 12.5 V 9.4 V 15.6 V 6.3 V 15.75 V 10.5 V
Minimum output voltage 1 4.8 V 7.6 V 11.5 V 8.6 V 14.4 V 5.7 V 14.25 V 9.5 V
Nominal output voltage 1 5 V 8 V 12 V 9 V 15 V 6 V 15 V 10 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Regulator type FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR
surface mount NO NO NO NO NO NO NO NO
Terminal surface Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn) Tin/Lead (Sn/Pb)
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
Terminal location SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE
Adjustability FIXED - FIXED FIXED FIXED FIXED FIXED FIXED
Maximum absolute input voltage 35 V - 35 V 35 V 35 V 35 V 35 V 35 V
Maximum grid adjustment rate 0.05% - 0.24% 0.18% 0.15% 0.12% 0.15% 0.2%
Maximum load regulation 0.1% - 0.24% 0.09% 0.3% 0.12% 0.3% 0.2%
Output times 1 - 1 1 1 1 1 1
Encapsulate equivalent code SIP3,.1TB - SIP3,.1TB SIP3,.1TB SIP3,.1TB SIP3,.1TB SIP3,.1TB SIP3,.1TB
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT APPLICABLE NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT APPLICABLE NOT APPLICABLE -
technology BIPOLAR - BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
Terminal pitch 2.54 mm - 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm 2.54 mm
Maximum time at peak reflow temperature NOT SPECIFIED NOT APPLICABLE NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT APPLICABLE NOT APPLICABLE -
Maximum voltage tolerance 4% - 5% 4.4% 15% 4.17% 15% 6%
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