3.5 - 19
3.5
OM1324NTM, OM1324STM, OM1324NKM, OM1324SMM, OM1324NMM, OM1324N2M
OM1324STM
V
in
C
in
*
0.1 μF
V
out
R
2
Adjust
I
Adj
R
1
240
APPLICATION
* C
in
is required if regulator is located an
appreciable distance from power supply filter.
** C
is not needed for stability, however it does
improve transient response.
V
out
= 1.25 V (1 + R
Ad j
R
2
Since I
Adj
is controlled to less than 100 μA,
the error associated with this term is negligible
in most applications.
R
1
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Reference Voltage
V
REF
V
DIFF
= 3.0V, T
A
= 25°C
1.238
1.262
V
DIFF
= 3.3V
1.225
1.270
V
V
DIFF
= 40V
1.225
1.270
Line Regulation
R
LINE
3.0V ≤ V
DIFF
≤ 40V, V
out
= V
ref
, T
A
= 25°C
-4.5
4.5
mV
(Note 1)
3.3V ≤V
DIFF
≤ 40V, V
out
= V
ref
-9
9
Load Regulation
R
LOAD
V
DIFF
= 3.0V, 10mA ≤ I
L
≤ 500 mA, T
A
= 25°C
-15
15
(Note 1)
V
DIFF
= 3.3V, 10mA ≤ I
L
≤ 500 mA
-15
15
mV
V
DIFF
= 40V, 10mA ≤ I
L
≤ 150 mA, T
A
= 25°C
-15
15
V
DIFF
= 40V, 10mA ≤ I
L
≤ 100 mA
-15
15
Thermal Regulation
V
RTH
V
in
= 14.6V, I
L
= 300 mA
-2
2
mV
P
d
= 4.0 Watts, t = 20 ms, T
A
= 25°C
Ripple Rejection
R
N
f = 120 Hz, V
out
= V
ref
66
dB
(Note 2)
C
Adj
= 10 μF
Adjustment Pin Current
I
Adj
V
DIFF
= 3.0V, T
A
= 25°C
100
V
DIFF
= 3.3V
100
μA
V
DIFF
= 40V
100
Adjustment Pin
I
Adj
V
DIFF
= 3.0V, 10mA ≤ I
L
≤ 500 mA, T
A
= 25°C
-5
5
Current Change
V
DIFF
= 3.3V, 10mA ≤ I
L
≤ 500 mA
-5
5
V
DIFF
= 40V, 10mA ≤ I
L
≤ 150mA, T
A
= 25°C
-5
5
V
DIFF
= 40V, 10mA ≤ I
L
≤ 100mA
-5
5
μA
3.0V ≤ V
DIFF
≤ 40V, T
A
= 25°C
-5
5
3.3V ≤ V
DIFF
≤ 40V
-5
5
Miminum Load Current
I
Lmin
V
DIFF
= 3.0V, V
OUT
= 1.4V (forced)
5.0
V
DIFF
= 3.3V, V
OUT
= 1.4V (forced)
5.0
mA
V
DIFF
= 40V, V
OUT
= 1.4V (forced)
5.0
Current Limit
I
CL
V
DIFF
= 15V
0.5
1.65
(Note 2)
V
DIFF
= 40V, T
A
= 25°C
0.15
0.65
A
Notes:
1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.
Changes in output voltage due to heating effects must be taken into account separately.
2. If not tested, shall be guaranteed to the specified limits.
3. The
denotes the specifications which apply over the full operating temperature range.
ELECTRICAL CHARACTERISTICS
-55°C ≤ T
A
≤ 125°C, I
L
= 8mA (unless otherwise specified)
OM1324N2M