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  Microsemi Electronic Components Datasheet  

SG7815 Datasheet

Positive Fixed Voltage Regulator

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SG7815 pdf
SG78xxA/78xx
Positive Fixed Voltage Regulator
Description
The SG78xxA/SG78xx series of positive regulators offer
self-contained, fixed-voltage capability with up to 1.5 A of
load current and input voltage up to 50 V (SG78xxA series
only). These units feature a unique on-chip trimming system
to set the output voltages to within ±1.5% of nominal on the
SG78xxA series with ±2.0% on the SG78xx series. The
SG78xxA versions also offer much improved line and load
regulation characteristics. Utilizing an improved bandgap
reference design, problems such as drift in output voltage
and large changes in the line and load regulation, that are
normally associated with the Zener diode references have
been eliminated.
All protective features of thermal shutdown, current limiting,
and safe-area control have been designed into these units
and since these regulators require only a small output
capacitor for satisfactory performance, ease of application is
assured. Although designed as fixed-voltage regulators, the
output voltage can be increased through the use of a simple
voltage divider. The low quiescent drain current of the device
ensures good regulation when this method is used. Product
is available in hermetically sealed TO-257 (both case
grounded ‘G’ and isolated ‘IG’), TO-3, TO-39 and leadless
chip carrier (LCC) packages.
Circuit Schematic
Features
Output Voltage Set Internally to ±1.5% on SG78xxA
Input Voltage Range to 50 V max on SG78xxA
2 V Input-Output Differential
Excellent Line and Load Regulation
Fold back Current Limiting
Thermal Overload Protection
Voltages Available: 5 V, 12 V, 15 V
Contact Factory for Other Voltage Options
Available in Surface Mount Package
High Reliability Features
Available to MIL-STD - 883, ¶ 1.2.1
MIL-M38510/10702BXA - SG7805T-JAN
MIL-M38510/10703BXA - SG7812T-JAN
MIL-M38510/10704BXA - SG7815T-JAN
MIL-M38510/10706BYA - SG7805K-JAN
MIL-M38510/10707BYA - SG7812K-JAN
MIL-M38510/10708BYA - SG7815K-JAN
MSC-AMSG level “S” Processing Available
Available to DSCC
-Standard Microcircuit Drawing (SMD)
VIN 1
Q1
CURRENT REF
R1
Q9
R2
Q10
R3
Q11
Q2
Q3 THERMAL
SHUTDOWN
R4
Q6
R5
REMOTE
SHUTDOWN
Q19A
Q19B
ENABLE
R7
Q28
R26 R10
Q12
Q13
Output stage and SOA circuit
Z2
Z3
BANDGAP
REFERENCE
R8
Q22
Q24
R19 R20 R12
Q17 Q18 Q27
Q16
Q14
R11
Q15
R13
Q23
R14
R15
R28
R25
Q25
Q26
R27 R18 VOUT
2
R23 *VOS
Q4
Z1
GND 3
Q5
Q7
R6
F4
R9
Q8
C2 C1
R22A
R22B
R22C
R22D
R22E
F1
F2
F3
F4
* For normal operation, the (VOS) sense pin must be externally connected to the load
R24
Figure 1 · Circuit Schematic
January 2015 Rev. 1.5
www.microsemi.com
© 2015 Microsemi Corporation
1


  Microsemi Electronic Components Datasheet  

SG7815 Datasheet

Positive Fixed Voltage Regulator

No Preview Available !

SG7815 pdf
Positive Fixed Voltage Regulator
Connection Diagrams and Ordering Information
Ambient
Temperature
-55 °C to
125 °C
-55 °C to
125 °C
-55 °C to
125 °C
-55 °C to
125 °C
Type
K
T
IG
Package
3-Terminal
Metal Can
3-Pin Metal Can
3-Pin Hermetic
Isolated
Package
Part Number
SG78xxAK-883B
SG7805AK-DESC
SG7812AK-DESC
SG7815AK-DESC
SG78xxAK
SG78xxK-883B
SG7805K-JAN
SG7812K-JAN
SG7815K-JAN
SG78xxK
SG78xxAT-883B
SG7805AT-DESC
SG7812AT-DESC
SG7815AT-DESC
SG78xxAT
SG78xxT-883B
SG7805T-JAN
SG7812T-JAN
SG7815T-JAN
SG78xxT
SG78xxAIG-883B
SG7805AIG-DESC
SG7812AIG-DESC
SG7815AIG-DESC
SG78xxAIG
SG78xxIG-883B
SG78xxIG
SG7805AL-DESC
SG7812AL-DESC
SG7815AL-DESC
20-Pin Ceramic
L Package
SG78xxL-883B
Packaging
Type
TO-3
TO-39
TO-257
Leadless
Chip
Carrier
Connection Diagram
VIN
1
2
VOUT
Case is
Ground
VOUT
GND
2
31
VIN
Case is Ground
VOUT
Ground
VIN
3 2 1 20 19
N.C. 4
18 N.C.
N.C. 5
N.C. 6
17 VIN
16 N.C.
GND 7
15 V0 SENSE
N.C. 8
14 N.C.
9 10 11 12 13
See Notes 5 and 6
-55 °C to
125 °C
SG78xxAG-883B
SG7805AG-DESC
SG7812AG-DESC
G
3-Pin Hermetic
Package
SG7815AG-DESC
SG78xxAG
SG78xxG-883B
SG78xxG
TO-257
Case is Ground
VOUT
Ground
VIN
2


Part Number SG7815
Description Positive Fixed Voltage Regulator
Maker Microsemi
Total Page 12 Pages
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SG7815 pdf
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