CM431
L
OW
V
OLTAGE
A
DJUSTABLE
S
HUNT
R
EGULATOR
ABSOLUTE MAXIMUM RATINGS
Cathode to Anode Voltage (V
KA
) (Note 2)
B
B
-0.3V to 37V
-100mA to 150mA
-50uA to 10mA
150
O
C
B
P
P
Continuous Cathode Current (I
K
)
B
B
Reference Input Current (I
REF
)
B
B
Maximum junction temperature range, T
J
B
Storage temperature range
Lead temperature (soldiering, 10 seconds)
Note 1:
Note 2:
Currents are positive into, negative out of the specified terminal.
Voltage values are with respect to the anode terminal unless otherwise noted.
-65 C to 150
O
C
P
P
P
P
O
260 C
P
P
O
Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground.
POWER DISSIPATION TABLE
Package
SOP-8
TO-92
SOT-89
θ
JA
O
( C/W )
B
B
P
P
O
Derating factor ( mW/ C )
T
A
≧
25
O
C
P
P
B
B
P
P
O
T
A
≦
25 C
Power rating(mW)
B
B
P
P
T
A
=70
O
C
Power rating(mW)
B
B
P
P
T
A
= 85
O
C
Power rating (mW)
B
B
P
P
165
156
71(note)
6.06
6.41
14.1
757
801
1763
485
513
1128
394
417
916
228
SOT-23
285
3.5
438
280
Note :
1. For SOT-89 package, Thermal Resistance-Junction to Tab (
θ
JT
) = 35
O
C/W. T
J
= T
TAB
+ (P
D
x
θ
JT
)
2.
θ
JA
:
Thermal Resistance-Junction to Ambient
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.
B
B
B
B
P
P
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
RECOMMENDED OPERATING CONDITIONS
Min
Operating free air temperature range, T
A
B
B
Max
105
Units
O
P
P
0
1
0
C
Cathode current, I
K
B
B
100
36
mA
V
Cathode voltage, V
KA
B
B
2006/10/11
Rev.1.4
Champion Microelectronic Corporation
Page 3
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
