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11.5
12
12.5
11.4
12.6
60
150
14
3.0
3.0
75
52
72
48
3
4
84
2
4
TBA
11.88
12
12.12
11.64
12.36
36
75
10
1.5
1.5
75
58
72
52
3
4
84
1.5
2.5
3
4
TBA
IP123A SERIES
IP123
A
SERIES
IP323A SERIES
LM123 SERIES
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 8/95
V
O
Output Voltage
V
O
Line Regulation
V
O
Load Regulation
I
Q
Quiescent Current
I
Q
Quiescent Current
Change
V
N
Output Noise
Voltage
V
IN
Ripple Rejection
V
O
I
SC
Short Circuit Current
I
pk
Peak Output Current
Long Term Stability
R
θ
JC
Thermal Resistance
Junction to Case
IP123A–12
IP323A–12
Min.
Typ.
IP123–12
LM123–12
Typ.
Parameter
Test Conditions
I
O
= 1A
P
OUT
≤
P
MAX2
I
O
= 5mA to 3A
T
J
= Over Temp. Range
1
I
O
= 1A
T
J
= Over Temp. Range
1
V
IN
= 15.4V
T
J
= Over Temp. Range
1
V
IN
= 15.4V
T
J
= Over Temp. Range
1
V
IN
= 15.4V
T
J
= Over Temp. Range
1
I
O
= 1A
T
J
= Over Temp. Range
1
Max.
Min.
Max.
Units
V
V
mV
mV
mA
mA
mA
μ
Vrm
dB
A
A
mV
°C/W
V
IN
= 14.8V
V
IN
= 15.4V to 22V
V
IN
= 14.8V to 22V
I
O
= 5mA to 3A
I
O
= 5mA to 3A
I
O
= 5mA to 3A
V
IN
= 14.8V to 22V
f = 10Hz to 100kHz
f = 120Hz
V
IN
= 15.4V to 25.4V
T
J
= Over Temp. Range
1
I
O
= 1A
V
IN
= 15.4V
V
IN
= 15.4V
K Package , V Package
G Package , T Package
SG Package
Notes
1) Applies over full temperature range:–
T
J
= –55 to +150°C for IP123A / IP123 / LM123
T
J
=
0 to +125°C for IP323A
All other specifications apply at T
J
= 25°C unless otherwise stated.
2) P
MAX
= 30W for K–Pack (TO–3) , V–Pack (TO–218) and G–Pack (TO–257) Packages.
P
MAX
= 25W for T–Pack (TO–220) Package.
P
MAX
= 15W for SG–Pack (TO–220SM) Package.
3) All characteristics are measured with a capacitor across the input of 0.22
μ
F and a capacitor across the output of 0.1
μ
F.
4) All characteristics except noise voltage and ripple rejection ratios are measured using pulse techniques (t
p
≤
10ms ,
δ ≤
5%).
5) Output voltage changes due to changes into internal temperature must be taken into account separately.
ELECTRICAL CHARACTERISTICS
(T
J
= 25°C unless otherwise stated)