IP123A
IP123A
IP323A
LM123
SERIES
SERIES
SERIES
SERIES
1 2 3
1
2
3 AMP
POSITIVE
VOLTAGE REGULATORS
3
Pin 1 – V
IN
Pin 2 – V
OUT
Case – Ground
Pin 1
Pin 2
Pin 3
Case
–
–
–
–
V
IN
Ground
V
OUT
Ground
K Package – TO–3
G Package – TO–257
FEATURES
• 0.04%/V LINE REGULATION
• 0.3%/A LOAD REGULATION
1
2
3
1
2
3
• THERMAL OVERLOAD PROTECTION
• SHORT CIRCUIT PROTECTION
• SAFE OPERATING AREA PROTECTION
Pin 1
Pin 2
Pin 3
Case
–
–
–
–
V
IN
Ground
V
OUT
Ground
Pin 1
Pin 2
Pin 3
Case
–
–
–
–
V
IN
Ground
V
OUT
Ground
• 1% TOLERANCE
• START–UP WITH NEGATIVE VOLTAGE
(± SUPPLIES) ON OUTPUT
• AVAILABLE IN 5V, 12V AND 15V OPTIONS
T Package – TO–220
V Package – TO–218
1
3
2
Pin 1 – V
IN
Pin 2 – Ground
Pin 3 – V
OUT
SG Package – TO–220SM
CERAMIC SURFACE MOUNT
ABSOLUTE MAXIMUM RATINGS
V
I
P
D
T
J
T
STG
T
L
DC Input Voltage
Power Dissipation
(T
C
= 25°C unless otherwise stated)
35V
Internally limited
See Ordering Information
–65°C to +150°C
300°C
Prelim. 8/95
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Semelab plc.
IP123A
IP123A
IP323A
LM123
ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
I
O
= 1A
V
O
Output Voltage
P
OUT
≤
P
MAX 2
I
O
= 5mA to 3A
T
J
= Over Temp. Range
1
∆V
O
Line Regulation
∆V
O
Load Regulation
I
Q
Quiescent Current
I
O
= 1A
V
IN
= 8V
V
IN
= 8V
V
IN
= 8V
∆I
Q
Quiescent Current
Change
V
N
∆V
IN
∆V
O
I
SC
Output Noise
Voltage
Ripple Rejection
Short Circuit Current
Long Term Stability
R
θJC
Thermal Resistance
Junction to Case
K Package , V Package
G Package , T Package
SG Package
1.5
3
TBA
I
O
= 1A
V
IN
= 7.5V to 15V
I
O
= 5mA to 3A
I
O
= 5mA to 3A
I
O
= 5mA to 3A
V
IN
= 7.5V to 15V
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
f = 10Hz to 100kHz
f = 120Hz
I
O
= 1A
V
IN
= 15V
V
IN
= 7.5V
V
IN
= 8V to 18V
T
J
= Over Temp. Range
1
66
60
3
4
35
2.5
4
2
4
TBA
40
80
60
56
3
4
15
50
10
1.5
1.5
40
80
V
IN
= 7.5V
V
IN
= 8V to 15V
4.85
5.15
4.75
SERIES
SERIES
SERIES
SERIES
(T
J
= 25°C unless otherwise stated)
IP123A–05
IP323A–05
Min. Typ. Max.
4.95
5
5.05
IP123–05
LM123–05
Min. Typ. Max. Units
4.8
5
5.2
5.25
V
V
25
100
14
3.0
3.0
mV
mV
mA
mA
mA
µVrms
dB
A
35
mV
°C/W
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 0.22µF and a capacitor across the output of 0.1µF.
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.
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 8/95
IP123A
IP123A
IP323A
LM123
ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
I
O
= 1A
V
O
Output Voltage
P
OUT
≤
P
MAX 2
I
O
= 5mA to 3A
T
J
= Over Temp. Range
1
∆V
O
Line Regulation
∆V
O
Load Regulation
I
Q
Quiescent Current
I
O
= 1A
V
IN
= 15.4V
V
IN
= 15.4V
V
IN
= 15.4V
∆I
Q
Quiescent Current
Change
V
N
∆V
IN
∆V
O
I
SC
I
pk
Output Noise
Voltage
Ripple Rejection
I
O
= 1A
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
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
f = 10Hz to 100kHz
f = 120Hz
I
O
= 1A
V
IN
= 15.4V to 25.4V
T
J
= Over Temp. Range
1
58
52
3
4
84
K Package , V Package
G Package , T Package
SG Package
1.5
3
TBA
2.5
4
2
4
TBA
75
72
52
48
3
4
36
75
10
1.5
1.5
75
72
V
IN
= 14.8V
V
IN
= 15.4V to 22V
11.64
12.36
11.4
SERIES
SERIES
SERIES
SERIES
(T
J
= 25°C unless otherwise stated)
IP123A–12
IP323A–12
Min. Typ. Max.
11.88
12
12.12
IP123–12
LM123–12
Min. Typ. Max. Units
11.5
12
12.5
12.6
V
V
60
150
14
3.0
3.0
mV
mV
mA
mA
mA
µVrm
dB
A
A
Short Circuit Current V
IN
= 15.4V
Peak Output Current V
IN
= 15.4V
Long Term Stability
84
mV
°C/W
R
θJC
Thermal Resistance
Junction to Case
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 0.22µF and a capacitor across the output of 0.1µF.
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.
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 8/95
IP123A
IP123A
IP323A
LM123
ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
I
O
= 1A
V
O
Output Voltage
P
OUT
≤
P
MAX 2
I
O
= 5mA to 3A
T
J
= Over Temp. Range
1
∆V
O
Line Regulation
∆V
O
Load Regulation
I
Q
Quiescent Current
I
O
= 1A
V
IN
= 18.5V
V
IN
= 18.5V
V
IN
= 18.5V
∆I
Q
Quiescent Current
Change
V
N
∆V
IN
∆V
O
I
SC
I
pk
Output Noise
Voltage
Ripple Rejection
I
O
= 1A
V
IN
= 17.9V to 25V
I
O
= 5mA to 3A
I
O
= 5mA to 3A
I
O
= 5mA to 3A
V
IN
= 17.9V to 25V
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
T
J
= Over Temp. Range
1
f = 10Hz to 100kHz
f = 120Hz
I
O
= 1A
V
IN
= 18.5V to 28.5V
T
J
= Over Temp. Range
1
56
50
2.5
4
105
K Package , V Package
G Package , T Package
SG Package
1.5
3
TBA
2.5
4
2
4
TBA
90
70
50
46
2.5
4
45
75
10
1.5
1.5
90
70
V
IN
= 17.9V
V
IN
= 18.5V to 25V
14.55
15.45
14.25
SERIES
SERIES
SERIES
SERIES
(T
J
= 25°C unless otherwise stated)
IP123A–15
IP323A–15
Min. Typ. Max.
14.85
15
15.15
IP123–15
LM123–15
Min. Typ. Max. Units
14.4
15
15.6
15.75
V
V
75
150
14
3.0
3.0
mV
mV
mA
mA
mA
µVrm
dB
A
A
Short Circuit Current V
IN
= 18.5V
Peak Output Current V
IN
= 18.5V
Long Term Stability
105
mV
°C/W
R
θJC
Thermal Resistance
Junction to Case
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 0.22µF and a capacitor across the output of 0.1µF.
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.
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 8/95
IP123A
IP123A
IP323A
LM123
TYPICAL PERFORMANCE CHARACTERISTICS
MAXIMUM AVERAGE POWER DISSIPATION
( For IP123AK, IP123K, IP123AG, IP123G)
40
P
D(AV )
Maximum Average Power
Dissipation (W )
P
D (A V )
Maximum Average Power
Dissipation (W )
θ
SA OF HEATSINKS
SERIES
SERIES
SERIES
SERIES
MAXIMUM AVERAGE POWER DISSIPATION
( For IP323AK, IP323K, IP323AV, IP323V)
40
θ
SA OF HEATSINKS
30
1.3 ˚C/W
2.4 ˚C/W
INFINITE
HEAT SINK
30
1.3 ˚C/W
2.4 ˚C/W
INFINITE
HEAT SINK
20
3.3 ˚ C/W
6.3 ˚C/W
20
3.3 ˚C/W
10
10.5 ˚C/W
10
6.3 ˚C/W
10.5 ˚C/W
0
25
50
75
100
125
T
AM B
Am bient Temperature (˚ C)
0
25
50
75
100
125
T
AM B
Am bient Temperature (˚C)
OUTPUT VOLTAGE
(Normalised to 1V at T
J
= 25°C)
1.02
Normalised Output Voltage (V)
10
OUTPUT IMPEDANCE
V
IN
= 10V
Output Impedance (
Ω
)
1.01
1
V
OU T
= 5V
I
OU T
= 1A
C
O U T
= 0
0.1
C
OU T
= 10
µ
F
1.00
0.01
0.99
0.001
0.98
-50
-25
0
25
50
75
100
125
150
0.0001
10
100
1k
10k
100k
1M
Tem perature (˚C)
Frequency (Hz)
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 8/95
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