11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
SG79xxA / SG79xx
TM
®
Negative Fixed Voltage Regulator
P
RODUCT
D
ATASHEET
ABSOLUTE MAXIMUM RATINGS
WWW .
Microsemi
.C
OM
Device Output Voltage
-5V
-12V
-15V
Input Voltage
-35V
-35V
-40V
Input Voltage Differential
(Output Shorted to Ground)
35V
35V
35V
Operating Junction Temperature .........................................................................................................................................................150°C
Storage Temperature Range ................................................................................................................................................. -65°C to 150°C
Lead Temperature (Soldering 10 seconds) ..........................................................................................................................................300°C
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of
specified terminal
.
THERMAL DATA
K
TO-3 3-Pin Metal Can
3.0°C/W
35°C/W
THERMAL RESISTANCE
-
JUNCTION TO
C
ASE
,
θ
JC
THERMAL RESISTANCE
-
JUNCTION TO
A
MBIENT
,
θ
JA
T
TO-39 3-Pin Metal Can
15°C/W
120°C/W
THERMAL RESISTANCE
-
JUNCTION TO
C
ASE
,
θ
JC
THERMAL RESISTANCE
-
JUNCTION TO
A
MBIENT
,
θ
JA
G
TO-257 3-Pin Hermetic
3.5°C/W
42°C/W
THERMAL RESISTANCE
-
JUNCTION TO
C
ASE
,
θ
JC
THERMAL RESISTANCE
-
JUNCTION TO
A
MBIENT
,
θ
JA
IG
TO-257 3-Pin Hermetic (Isolated)
4.0°C/W
42°C/W
THERMAL RESISTANCE
-
JUNCTION TO
C
ASE
,
θ
JC
THERMAL RESISTANCE
-
JUNCTION TO
A
MBIENT
,
θ
JA
L
Leadless Chip Carrier 20-Pin Ceramic
35°C/W
120°C/W
THERMAL RESISTANCE
-
JUNCTION TO
C
ASE
,
θ
JC
THERMAL RESISTANCE
-
JUNCTION TO
A
MBIENT
,
θ
JA
P
ACKAGE
D
ATA
P
ACKAGE
D
ATA
Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
θ
JA
).
The
θ
JA
numbers are guidelines for the thermal performance of the device/pc-board system. All of the above assume no ambient airflow.
