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
NEGATIVE
VOLTAGE REGULATOR
TO 220 M
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
V
I
DC input voltage
(for V
O
= 5 to 15V)
(for V
O
= 24V)
I
O
Output current
P
D
Power dissipation
T
j
Junction temperature
T
stg
Storage temperature
35V
40V
Internally limited
Internally limited
150C
65 to 150C
MECHANICAL DATA
Dimensions in mm
TO220M
-TO220 Metal Package - Isolated
SMD1
- Ceramic Surface Mount Package
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25C unless otherwise stated)
LM7900 - 220M
SERIES
LM7900 - SMD
SERIES
FEATURES
HERMETIC TO220 METAL OR CERAMIC
SURFACE MOUNT PACKAGES
SCREENING OPTIONS AVAILABLE
ALL LEADS ISOLATED FROM CASE
(METAL PACKAGE)
PIN 1 - Ground
PIN 2 - Input
PIN 3 - Output
16.
5
13.
5
10.
6
13.
70
2 . 5 4
B S C
1 0. 6
3 . 6
D ia .
0 . 8
4 . 6
1 . 0
2. 70
B S C
1 2 3
3 . 6 0 ( 0 . 1 4 2 )
M a x .
3 . 7 0 ( 0 . 1 4 6 )
3 . 4 1 ( 0 . 1 3 4 )
3 . 7 0 ( 0 . 1 4 6 )
3 . 4 1 ( 0 . 1 3 4 )
0 . 8 9
( 0 . 0 3 5 )
m i n .
4.
14
(
0.
163)
3.
84
(
0.
151)
10.
69
(
0
.
4
21)
10.
39
(
0
.
4
09)
9 . 6 7 ( 0 . 3 8 1 )
9 . 3 8 ( 0 . 3 6 9 )
1 1 . 5 8 ( 0 . 4 5 6 )
1 1 . 2 8 ( 0 . 4 4 4 )
16.
02
(
0
.
6
31)
15.
73
(
0
.
6
19)
0 . 5 0 ( 0 . 0 2 0 )
0 . 2 6 ( 0 . 0 1 0 )
0.
76
(
0
.
030) mi
n
.
1
3
2
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
Parameter
Test Conditions
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit
T
j
= 25C
I
O
= 5mA to 1A
P
O
15W
T
j
= 25C
T
j
= 25C
I
O
= 5mA to 1.5A
T
j
= 25C
I
O
= 250 to 750 mA
T
j
= 25C
I
O
= 5mA to 1A
I
O
= 5mA
T
j
= 25C
B = 10Hz to 100kHz
f = 100Hz
D
V
O
= 100mV
T
j
= 25C
I
O
= 1A
D
V
O
= 100mV
T
j
= 25C
V
I
= 35V
T
j
= 25C
Output
Voltage
Line
Regulation
Load
Regulation
Quiescent
Current
Quiescent
Current
Change
Output
Voltage
Drift
Output
Noise
Voltage
Supply
Voltage
Rejection
Dropout
Voltage
Short
Circuit
Current
Short
Circuit Peak
Current
4.8
5
5.2 11.5 12 12.5 14.4 15 15.6 23
24
25
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
= 15.5 to 27V)
(V
I
= 18.5 to 30V)
(V
I
= 27 to 38V)
100
240
300
480
(V
I
= 7 to 25V)
(V
I
= 14.5 to 30V)
(V
I
= 17.5 to 30V)
(V
I
= 27 to 38V)
50
120
150
240
(V
I
=
8 to 12V)
(V
I
= 16 to 22V)
(V
I
= 20 to 26V)
(V
I
= 30 to 36V)
100
240
300
480
50
120
150
240
2
3
3
3
0.5
0.5
0.5
0.5
1.3
1
1
1
(V
I
= 8 to 25V)
(V
I
= 15 to 30V)
(V
I
= 18.5 to 30V)
(V
I
= 27 to 38V)
0.4
0.8
0.9
1
100
200
250
400
54
60
54
60
54
60
54
60
2
1.1
1.1
1.1
2.1
1.5
1.3
1.1
2.5
2.5
2.2
2.2
INPUT VOLTAGE
(unless otherwise specified)
10
19
23
33
5
12
15
24
OUTPUT VOLTAGE
ELECTRICAL CHARACTERISTICS
(Tcase = 25C unless stated)
THERMAL DATA
(for TO220M and SMD1)
R
THj-case
Thermal Resistance Junction Case
Max. 3C / W
R
THj-amb
Thermal Resistance Junction Ambient
Max. 50C / W
V
O
D
V
O
D
V
O
I
d
D
I
d
D
V
O
D
T
e
N
SVR
V
d
I
sc
I
scp
V
mV
mV
mA
mA
mV
/
C
m
V
dB
V
mA
A
LM7900 - 220M
SERIES
LM7900 - SMD
SERIES
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