LM7900 - 220M SERIES
LM7900 - SMD SERIES
MECHANICAL DATA
Dimensions in mm
1 0.6
0.8
4.6
NEGATIVE
VOLTAGE REGULATOR
TO 220 M
FEATURES
• HERMETIC TO220 METAL OR CERAMIC
SURFACE MOUNT PACKAGES
• SCREENING OPTIONS AVAILABLE
• ALL LEADS ISOLATED FROM CASE
(METAL PACKAGE)
16.5
3.6
Dia.
1 3 .5
1 0 .6
1 23
1 3 .7 0
1.0
2 .5 4
BSC
0 .8 9
(0 .0 3 5 )
m in .
3 .7 0 (0 .1 4 6 )
3 .7 0 (0 .1 4 6 )
3 .4 1 (0 .1 3 4 )
3 .4 1 (0 .1 3 4 )
4 .1 4 (0 .1 6 3 )
3 .8 4 (0 .1 5 1 )
2. 70
BSC
3 .6 0 (0 .1 4 2 )
M a x .
1
3
2
• OUTPUT CURRENT UP TO 1.5A
• OUTPUT VOLTAGES OF -5, -12, -15, -24V
• THERMAL OVERLOAD PROTECTION
• SHORT CIRCUIT PROTECTION
• OUTPUT TRANSISTOR SOA PROTECTION
• 1% VOLTAGE TOLERANCE OPTION
0 .7 6
(0 .0 3 0 )
m in .
1 0 .6 9 (0 .4 2 1 )
1 0 .3 9 (0 .4 0 9 )
9 .6
9 .3
1 1 .5
1 1 .2
7 (0
8 (0
8 (0
8 (0
.3 8
.3 6
.4 5
.4 4
1 )
9 )
6 )
4 )
1 6 .0 2 (0 .6 3 1 )
1 5 .7 3 (0 .6 1 9 )
0 .5 0 (0 .0 2 0 )
0 .2 6 (0 .0 1 0 )
PIN 1 - Ground
TO220M
SMD1
PIN 2 - Input
PIN 3 - Output
-TO220 Metal Package - Isolated
- Ceramic Surface Mount Package
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
V
I
I
O
P
D
T
j
T
stg
Semelab plc.
DC input voltage
Output current
Power dissipation
Junction temperature
Storage temperature
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
(for V
O
= –5 to –15V)
(for V
O
= –24V)
–35V
–40V
Internally limited
Internally limited
150°C
–65 to 150°C
Prelim. 7/00
LM7900 - 220M SERIES
LM7900 - SMD SERIES
ELECTRICAL CHARACTERISTICS
(Tcase = 25°C unless stated)
OUTPUT VOLTAGE
INPUT VOLTAGE
(unless otherwise specified)
–5
–10
–12
–19
–15
–23
–24
–33
Parameter
V
O
Output
Voltage
Test Conditions
T
j
= 25°C
I
O
= 5mA to 1A
P
O
£
15W
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.Unit
–4.8
–5
–5.2 –11.5 –12 –12.5 –14.4 –15 –15.6 –23
(V
I
= –15.5 to –27V)
(V
I
= –18.5 to –30V)
–24
–25
V
–4.75 –5 –5.25 –11.4 –12 –12.6 –14.3 –15 –15.7 –22.8 –24 –25.2
(V
I
= –8 to –20V)
(V
I
= –27 to –38V)
100
(V
I
= –7 to –25V)
240
(V
I
= –14.5 to –30V)
300
(V
I
= –17.5 to –30V)
480
(V
I
= –27 to –38V)
D
V
O
Line
T
j
= 25°C
Regulation
50
(V
I
=
–
8 to –12V)
120
(V
I
= –16 to –22V)
150
(V
I
= –20 to –26V)
240
(V
I
= –30 to –36V)
mV
T
j
= 25°C
I
O
= 5mA to 1.5A
Load
D
V
O
Regulation T = 25°C
j
I
O
= 250 to 750 mA
Quiescent
I
d
T
j
= 25°C
Current
D
100
50
2
0.5
240
120
3
0.5
1
(V
I
= –15 to –30V)
300
150
3
0.5
1
(V
I
= –18.5 to –30V)
480
mV
240
3 mA
0.5
1
(V
I
= –27 to –38V)
I
d
Quiescent
Current
Change
I
O
= 5mA to 1A
1.3
(V
I
= –8 to –25V)
mA
mV
/
°C
m
Output
V
O
Voltage
D
T
Drift
Output
e
N
Noise
Voltage
Supply
SVR Voltage
Rejection
D
I
O
= 5mA
T
j
= 25°C
B = 10Hz to 100kHz
f = 100Hz
D
V
O
= 100mV
T
j
= 25°C
I
O
= 1A
D
V
O
= 100mV
54
–0.4
–0.8
–0.9
–1
100
200
250
400
V
60
54
60
54
60
54
60
dB
V
d
Dropout
Voltage
2
1.1
1.1
1.1
V
Short
T
j
= 25°C
I
sc
Circuit
V
I
= 35V
Current
Short
I
scp
Circuit Peak T
j
= 25°C
Current
2.1
1.5
1.3
1.1
mA
2.5
2.5
2.2
2.2
A
THERMAL DATA
(for TO220M and SMD1)
R
THj-case
R
THj-amb
Thermal Resistance Junction – Case
Thermal Resistance Junction – Ambient
Max. 3°C / W
Max. 50°C / W
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Prelim. 7/00
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