lm7905l Unisonic Technologies, lm7905l Datasheet

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lm7905l

Manufacturer Part Number
lm7905l
Description
1a Io /2.0v Vd Negative Fixed Voltage Regulator -5v, -6v, -8v, -9v, -12v, -15v, -18v, -24v
Manufacturer
Unisonic Technologies
Datasheet
UTC LM79XX
3 TERMINAL 1A NEGATIVE
VOLTAGE REGULATOR
DESCRIPTION
regulators are available in TO-220 package and with several
fixed output voltage, making them useful in a wide range of
application. Each type employs internal current limiting,
thermal shut-down and safe area protection, making it
essentially indestructible.
FEATURES
*Output current up to 1A
*-5V, -6V, -8V, -9V,-12V, -15V, -18V, -24V output voltage
*Thermal overload protection
*Short circuit protection
BLOCK DIAGRAM
UTC
available
The UTC LM79XX series of three-terminal negative
GND
UNISONIC TECHNOLOGIES CO., LTD.
reference
Voltage
LINEAR INTEGRATED CIRCUIT
Protection
circuitry
1
1:GND 2:Input 3:Output
RSC
R1
R2
OUTPUT
INPUT
QW-R101-007,E
TO-220
1

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lm7905l Summary of contents

Page 1

... FEATURES *Output current *-5V, -6V, -8V, -9V,-12V, -15V, -18V, -24V output voltage available *Thermal overload protection *Short circuit protection BLOCK DIAGRAM GND Voltage reference UTC UNISONIC TECHNOLOGIES CO., LTD. 1 TO-220 1:GND 2:Input 3:Output R1 R2 OUTPUT Protection circuitry RSC INPUT QW-R101-007,E ...

Page 2

... Quiescent current ∆I Quiescent current change Output voltage drift ∆Vo/∆T Output noise voltage V Ripple rejection RR Dropout voltage Vd Short circuit current Isc peak current Ipk UTC UNISONIC TECHNOLOGIES CO., LTD. (Ta=25°C) SYMBOL RATING V - Internally D R θ θ ...

Page 3

... Temperature coefficient of Vo Output Noise Voltage V Ripple Rejection RR Dropout Voltage Vd Short-Circuit Current I Peak Output Current I UTC UNISONIC TECHNOLOGIES CO., LTD. TEST CONDITIONS Tj=25°C 5.0mA<Io<1.0A,Po≦15W Vi=-10.5V to -23V Tj=25°C,Vi=-10.5V to -25V Tj=25°C,Vi=-11.5V to -17V Tj=25°C,Io=5.0mA to 1.0A Tj=25°C,Io=250mA to 750mA I Tj=25°C Q Io=5mA to 1.0A Q Vi=-11.5V to -25V Io=5mA f=10hz to 100kHz,Ta=25° ...

Page 4

... Output voltage drift ∆Vo/∆T Output noise voltage V Ripple rejection RR Dropout voltage Vd Short circuit current Isc peak current Ipk UTC UNISONIC TECHNOLOGIES CO., LTD. TEST CONDITIONS Tj=25°C 5.0mA<Io<1.0A,Po≦15W Vi=-14.5V to -27V Tj=25°C,Vi=-14.5V to -30V Tj=25°C,Vi=-16V to -22V TEST CONDITIONS Tj=25°C,Io=5.0mA to 1.0A Tj=25°C,Io=250mA to 750mA Tj=25°C Io=5mA to 1.0A Q Vi=-14 ...

Page 5

... Output voltage drift Output noise voltage V Ripple rejection RR Dropout voltage Vd Short circuit current Isc peak current Ipk UTC UNISONIC TECHNOLOGIES CO., LTD. TEST CONDITIONS Tj=25°C 5.0mA<Io<1.0A,Po≦15W Vi=-21V to -33V Tj=25°C,Vi=-21V to -33V Tj=25°C,Vi=-24V to -30V Tj=25°C,Io=5.0mA to 1.0A Tj=25°C,Io=250mA to 750mA Tj=25°C Io=5mA to 1.0A Q ...

Page 6

... UTC LM79XX LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUITS -Vi +20V 0.33 µF 2.2 µF -20V Fig.2 Split power supply(+-15V,1A) C1 2.2 µF -Vi Fig.3 Circuit for increasing output voltage UTC UNISONIC TECHNOLOGIES CO., LTD 2.2 µF 1 µ UTC LM79XX Fig.1 Fixed output regulator UTC LM7815 0.1 µF 1N4001 1 µ ...

Page 7

... Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 7 QW-R101-007,E ...

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