Advanced Power
Electronics Corp.
ABSOLUTE MAXIMUM RATINGS
Cathode Voltage (V
KA
) ------------------------------------- 18V
Continuous Cathode Current (I
KA
) ---------------------- 150mA
Reference Input Current (I
REF
) --------------------------- 10mA
Power Dissipation (P
D
) ---------------------------------------------
SOT-23 -------- 0.3W
SOT-89 -------- 0.625W
SO-8 -----------
1.25W
TO-92 ---------- 0.64W
Storage Temperature Range (T
ST
) --------------------- -65 to +150°C
Junction Temperature (T
J
) -------------------------------- +125°C
Thermal Resistance from Junction to ambient (Rth
ja
)
AP431
SOT-23 -------- 336°C/W
SOT-89 -------- 160°C/W
SO-8 -----------
Lead Temperature (Soldering) 10 seconds (T
LEAD
)
80°C/W
260°C
TO-92 ---------- 156°C/W
ELECTRICAL SPECIFICATIONS
(T
A
=25
o
C, unless otherwise specified)
Parameter
Reference Voltage (Test circuit 1)
Deviation of Reference Input
Voltage over full temperature range
(Test circuit 1)
Reference Input Current (Test
circuit 2)
Deviation of Reference current over
full temperature range (Test circuit
2)
Ratio of change in reference
voltage to the change in cathode
voltage (Test circuit 2)
Minimum Cathode Current for
Regulation (Test circuit 1)
Off-state Cathode Current (Test
circuit 3)
Dynamic Impedance (Test circuit 1)
SYM
V
REF
V
REF(DEV)
TEST CONDITION
V
KA
= V
REF
, I
KA
= 10mA
V
KA
= V
REF
,
I
KA
= 10mA,
T
A
= Full Range
I
REF
R1 = 10KΩ,
R2 =
∞,
I
KA
= 10mA
R1 = 10KΩ,
R2 =
∞,
I
KA
= 10mA
T
A
= Full Range
Δ V
REF
Δ V
KA
MIN
2.47
TYP
2.495
4
MAX
2.52
25
UNITS
V
mV
-
2
4
uA
I
REF(DEV)
-
0.4
1.2
uA
I
KA
= 10mA,
δV
KA
=10V -V
REF
V
KA
= V
REF
V
KA
= 18V,
V
REF
= 0V
V
KA
= V
REF
, I
KA
= 1mA ~ 100mA
Frequency < 1KHz
-
-1.4
-2.7
mV/V
I
KA(min)
I
KA(OFF)
Z
KA
-
-
-
0.4
0.1
0.2
1
1
0.5
mA
uA
Ω
2
A-POWER [ ADVANCED POWER ELECTRONICS CORP. ]
