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IP120A IP120 IP7900A IP7900 LM120
SERIES SERIES SERIES SERIES SERIES
1
1 2
2
1.5 AMP NEGATIVE VOLTAGE REGULATOR
3
3
FEATURES
Pin 1 - Ground Pin 2 - VOUT Case - VIN
Pin 1 - Ground Pin 2 - VOUT Case - VIN
* OUTPUT VOLTAGES OF -12, -15V * 0.01% / V LINE REGULATION * 0.3% / A LOAD REGULATION * THERMAL OVERLOAD PROTECTION * SHORT CIRCUIT PROTECTION
K Package - TO-3
R Package - TO-66
!
* OUTPUT TRANSISTOR SOA PROTECTION
123
* 1% VOLTAGE TOLERANCE (-A VERSIONS)
Pin 1 - Ground Pin 2 - VIN Pin 3 - VOUT
Pin 1 - Ground Pin 2 - VIN Pin 3 - VOUT Case - VIN*
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.
G Package - TO-257 IG Package- TO-257*
* isolated Case on IG package
SMD PACKAGE - SMD1 Ceramic Surface Mount
GND NC NC VOUT
1 2 3 4
8 7 6 5
NC NC VIN NC
J Package - 8 Pin Cerdip
ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated)
VI PD Tj Tstg Semelab plc. DC Input Voltage Power Dissipation Operating Junction Temperature Range 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 VO = -12, -15V)
35V Internally limited -55 to 150C -65 to 150C
Prelim. 6/01
IP120A IP120 IP7900A IP7900 LM120
Parameter VO Output Voltage Test Conditions IO = 500mA IO = 5mA to IMAX VO Low Supply IO = 5mA to IMAX VIN = -14.5V to -27V VIN = -14.5V to -30V IO = 0.5 IMAX VO Line Regulation IO IMAX VIN = -16V to -22V VIN = -19V VO Load Regulation VIN = -19V IO 0.5 IMAX VIN = -19V IO = 5mA to IMAX IQ Quiescent Current Change VIN = -19V IO 0.5 IMAX f = 10Hz to 100kHz VIN = -19V f = 120Hz Ripple Rejection Dropout Voltage RO Isc Ipk Output Resistance Short Circuit Current Peak Output Current Average Temperature Coefficient of VO Input Voltage required to maintain line regulation VIN = -15V to -25V IO = IMAX f = 1 kHz VIN = -35V VIN = -19V IO = 5mA IO IMAX -14.5 IO IMAX IO 0.5 IMAX TJ = -55 to 150C 58 58 TJ = -55 to 150C VIN = -14.5V to -30V VIN = -15V to -30V TJ = -55 to 150C VN Output Noise Voltage VIN VO TJ = -55 to 150C TJ = -55 to 150C IO = 5mA to1.5A IO = 250mA to 750mA IO = 5mA to IMAX TJ = -55 to 150C IQ Quiescent Current VIN = -14.8V to -27V TJ = -55 to 150C VIN = -19V TJ = -55 to 150C PD PMAX VIN = -14.8V to -27V PD PMAX IP7912A IP120A-12 Min. Typ. Max. -11.88 -11.64 -11.40 4 4 1 2 12 4 8 0.2 1 0.2 0.2 0.1 0.1 75 72 72 1.1 8 0.6 2.4 0.5 1.2 3.3 4.8 -14.5 2.3 -12 -12.12 -12.36 -12.36 18 18 4 9 32 19 60 0.4 2 0.4 0.5 0.4 0.5 960 56 56
SERIES SERIES SERIES SERIES SERIES
Units V
IP7912, IP120-12 LM120-12 Min. Typ. Max. -11.76 11.52 -11.40 4 4 1 2 12 4 8 0.2 1 0.2 0.2 0.1 0.1 75 72 72 1.1 8 0.6 2.4 0.5 1.2 3.3 4.8 2.3 -12 -12.24 -12.48 -12.60 120 200 25 60 80 60 120 0.4 2 0.4 0.5 0.4 1.0 960
V
mV
mV
mA
mA
V
dB V m A
mV C V
1) All characteristics are measured with a capacitor across the input of 0.22F and a capacitor across the output of 0.1F. All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tp 10ms, 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 , P MAX = 1W for Cerdip, P MAX = 20W for all other package devices IMAX = 1.0A , TJ = 25C
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. 6/01
IP120A IP120 IP7900A IP7900 LM120
Parameter VO Output Voltage Test Conditions IO = 500mA IO = 5mA to IMAX VO Low Supply IO = 5mA to IMAX VIN = -17.5V to -30V VIN = -17.5V to -30V IO = 0.5 IMAX VO Line Regulation IO IMAX VIN = -20V to -26V VIN = -23V VO Load Regulation VIN = -23V IO 0.5 IMAX VIN = -23V IO = 5mA to IMAX IQ Quiescent Current Change VIN = -23V IO 0.5 IMAX f = 10Hz to 100kHz VIN = -23V f = 120Hz Ripple Rejection Dropout Voltage RO Isc Ipk Short Circuit Current Peak Output Current Average Temperature Coefficient of VO Input Voltage required to maintain line regulation VIN = -18.5V to -28.5V IO = IMAX Output Resistance f = 1 kHz VIN = -35V VIN = -23V IO = 5mA IO IMAX -17.5 IO IMAX IO 0.5 IMAX TJ = -55 to 150C 56 56 TJ = -55 to 150C VIN = -17.5V to -30V VIN = -18.5V to -30V TJ = -55 to 150C VN Output Noise Voltage VIN VO TJ = -55 to 150C TJ = -55 to 150C IO = 5mA to 1.5A IO = 250mA to 750mA IO = 5mA to IMAX TJ = -55 to 150C IQ Quiescent Current VIN = -17.9V to -30V TJ = -55 to 150C VIN = -23V TJ = -55 to 150C PD PMAX VIN = -17.9V to -30V PD PMAX IP7915A IP120A-15 Min. Typ. Max. -14.85 -14.55 -14.25 4 4 2 5 12 4 9 1 1 0.2 0.2 0.1 0.1 90 70 70 1.1 9 0.6 2.4 0.6 1.2 3.3 6 -17.5 2.3 -15 -15.15 -15.45 -15.45 22 22 10 30 35 21 75 1.9 2 0.4 0.5 0.4 0.5 1200 54 54
SERIES SERIES SERIES SERIES SERIES
Units V
IP7915, IP120-15 LM120-15 Min. Typ. Max. -14.7 -14.4 -14.25 4 4 2 5 12 4 9 1 1 0.2 0.2 0.1 0.1 90 70 70 1.1 9 0.6 2.4 0.6 1.2 3.3 6 2.3 -15 -15.3 -15.6 -15.75 150 250 75 150 80 75 150 1.9 2 0.4 0.5 0.4 1.0 1200
V
mV
mV
mA
mA
V
dB V m A
mV C V
1) All characteristics are measured with a capacitor across the input of 0.22F and a capacitor across the output of 0.1F. All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tp 10ms, 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 , P MAX = 1W for Cerdip, P MAX = 20W for all other package devices IMAX = 1.0A , TJ = 25C
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. 6/01
IP120A IP120 IP7900A IP7900 LM120
APPLICATIONS INFORMATION
SERIES SERIES SERIES SERIES SERIES
I N PU T
VIN GND
C1 * 2. 2F T AN T .
VOU T
OUTPUT
I N PU T
VIN GND
VOU T
OUTPUT
R1 C2 1 F TANT.
I N PU T
VIN GND
C1 2. 2F T AN T .
VOU T
C2 1F T AN T . R1
C2 * * 1 F TANT.
C1 2. 2F T AN T .
O U TPU T IOUT
R2
Fixed Output Regulator
* Required if the regulator is located far from the power supply. ** Required for stability. 25mF electrolytic may be substituted.
Adjustable Output Regulator
VOUT VREG (R1+R2) R1
Current Regulator
VREG R1
IOUT =
+ IQ
Order Information
Part Number IP7900A IP7900 IP120A IP120 LM120 K-Pack (TO-3) 4 4 4 4 4 R-Pack (TO-66) 4 4 4 4 4 G/IG-Pack (TO-257) 4 4 4 4 4 SG-Pack J-Pack Temp. SMD1 8 Pin Cerdip Range 4 4 -55 to +150C 4 4 " 4 4 " 4 4 " 4 4 " Note: To order, add the package identifier to the part number. eg. IP7912AK IP120SMD-15
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. 6/01

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