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Seme LAB |
IP120A SERIES
IP120 SERIES
IP7900A SERIES
IP7900 SERIES
LM120 SERIES
12
3
Pin 1 – Ground
Pin 2 – VOUT
Case – VIN
K Package – TO–3
1 23
12
3
Pin 1 – Ground
Pin 2 – VOUT
Case – VIN
R Package – TO–66
!
Pin 1 – Ground
Pin 2 – VIN
Pin 3 – VOUT
Case – VIN
G Package – TO–257
IG Package– TO–257*
* isolated Case on IG package
Pin 1 – Ground
Pin 2 – VIN
Pin 3 – VOUT
SMD Package – SMD1
Ceramic Surface Mount
GND 1
NC 2
NC 3
VOUT 4
8 NC
7 NC
6 VIN
5 NC
J Package – 8 Pin Cerdip
1.5 AMP
NEGATIVE
VOLTAGE REGULATOR
FEATURES
• OUTPUT VOLTAGES OF -5, -12, -15V
• 0.01% / V LINE REGULATION
• 0.3% / A LOAD REGULATION
• THERMAL OVERLOAD PROTECTION
• SHORT CIRCUIT PROTECTION
• OUTPUT TRANSISTOR SOA PROTECTION
• 1% VOLTAGE TOLERANCE OPTION
(–A VERSIONS)
DESCRIPTION
The IP120A / LM120 / IP7900A / IP7900 series of 3 terminal
regulators is available with several fixed output voltage
making them useful in a wide range of applications.
The A suffix devices provide 0.01% / V line regulation,
0.3% / A load regulation and ±1% output voltage tolerance at
room temperature.
Protection features include Safe Operating Area current
limiting and thermal shutdown.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
VI DC Input Voltage (for VO = -5, -12, -15V)
35V
PD Power Dissipation
Internally limited
Tj Operating Junction Temperature Range
–55 to 150°C
Tstg Storage Temperature
–65 to 150°C
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Prelim. 2/99
IP120A SERIES
IP120 SERIES
IP7900A SERIES
IP7900 SERIES
LM120 SERIES
Parameter
Test Conditions
IP7905A
IP120A–05
Min. Typ. Max.
IP7905 , IP120–05
LM120–05
Min. Typ. Max.
Units
IO = 500mA
VIN = -10V
-4.95 -5 -5.05 -4.9 -5 -5.1
VO
Output Voltage
IO = 5mA to IMAX
PD £ PMAX
VIN = -7.5V to -20V
TJ = -55 to 150°C
-4.85
-5.15 -4.8
V
-5.2
VO Low Supply
IO = 5mA to IMAX
VIN = -7V to -20V
PD £ PMAX
-4.75
-5.15 -4.75
-5.25 V
VIN = -7V to -25V
3 10
3 25
DVO Line Regulation
IO = 0.5 IMAX
VIN = -7.5V to -20V
TJ = -55 to 150°C
3 10
3 50
mV
VIN = -8V to -12V
14
1 25
IO £ IMAX
TJ = -55 to 150°C
1 12
2 50
VIN = -10V
DVO Load Regulation
VIN = -10V
IQ
Quiescent Current IO £ 0.5 IMAX
VIN = -10V
IO = 5mA to 1.5A
IO = 250mA to 750mA
IO = 5mA to IMAX
TJ = -55 to 150°C
TJ = -55 to 150°C
10 25
4 15
7 25
1 1.9
12
10 75
4 25
mV
7 50
1 1.9
mA
12
IO = 5mA to IMAX
0.2 0.4
0.2 0.4
VIN = -10V
TJ = -55 to 150°C
0.2 0.5
0.2 0.5
DIQ Quiescent Current
VIN = -7V to -25V
0.1 0.4
0.1 0.4 mA
Change
IO £ 0.5 IMAX
VIN = -8V to -25V
TJ = -55 to 150°C
0.1 0.5
0.1 1.0
VN Output Noise
Voltage
f = 10Hz to 100kHz
VIN = -10V
40 400
40 400 mV
DVIN
DVO
Ripple Rejection
f = 120Hz
VIN = -8V to -18V
IO £ IMAX
IO £ 0.5 IMAX
TJ = -55 to 150°C
66 80
66 80
54 80
54 80
dB
Dropout Voltage IO = IMAX
1.1 2.3
1.1 2.3 V
RO Output Resistance f = 1 kHz
5 5 mW
Isc Short Circuit
Current
Ipk Peak Output
Current
VIN = -35V
VIN = -10V
0.6 1.2
2.4 3.3
0.6 1.2
A
2.4 3.3
Average Temperature
Coefficient of VO
Input Voltage required to
maintain line regulation
IO = 5mA
IO £ IMAX
0.2 2
mV
0.2 2
°C
-7.3 -7.3 V
1) All characteristics are measured with a capacitor across the input of 0.22mF and a capacitor across the output of 0.1mF.
All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tp £ 10ms, d £ 5%). Output
voltage changes due to changes in internal temperature must be taken into account separately.
2) Test Conditions unless otherwise stated:PMAX = 10W for TO–220SM ,PMAX = 1W for Cerdip, PMAX = 20W for all other package
devices
IMAX = 1.0A , TJ = 25°C
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Prelim. 2/99
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