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L7905AC Folha de dados(PDF) 5 Page - STMicroelectronics

Nome de Peças L7905AC
Descrição Electrónicos  2% NEGATIVE VOLTAGE REGULATORS
Download  11 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7905AC Folha de dados(HTML) 5 Page - STMicroelectronics

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* Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account
separately. Pulce testing with low duty cycle is used.
ELECTRICAL CHARACTERISTICS FOR L7912A (refer to the test circuits, Tj = 0 to 125
oC,
Vi = -19V, Io = 500 mA, Ci = 2.2
µF, Co =1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Tj =25
oC
-11. 75
-12
-12.25
V
Vo
Output Voltage
Io = -5mA to -1A
Po
≤ 15 W
Vi = -15.5 to -27 V
-11.5
-12
-12.5
V
∆Vo*
Line Regulation
Vi = -14.5 to -30 V
Tj =25
oC
Vi = -16 to -22 V
Tj =25
oC
240
120
mV
mV
∆Vo*
Load Regulation
Io = 5 to 1500 mA
Tj =25
oC
Io = 250 to 750 mA
Tj =25
oC
240
120
mV
mV
Id
Quiescent Current
Tj =25
oC3
mA
∆Id
Quiescent Current Change
Io = 5 to 1000 mA
0.5
mA
∆Id
Quiescent Current Change
Vi = -15 to -25 V
1
mA
Vo
T
Output Voltage Drift
Io = 5 mA
-0. 8
mV/
oC
eN
Output Noise Voltage
B = 10Hz to 100KHz Tj =25
oC200
µV
SVR
Supply Voltage Rejection
∆Vi = 10 V
f = 120 Hz
54
60
dB
Vd
Dropout Voltage
Io =1 A
Tj =25
oC
∆VO =100 mV
1.1
V
Isc
Short Circuit Current
1.5
A
Iscp
Short Circuit Peak Current
Tj =25
oC2.5
A
ELECTRICAL CHARACTERISTICS FOR L7915A (refer to the test circuits, Tj = 0 to 125
oC,
Vi = -23V, Io = 500 mA, Ci = 2.2
µF, Co =1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Tj =25
oC
-14.7
-15
-15.3
V
Vo
Output Voltage
Io = -5mA to -1A
Po
≤ 15 W
Vi = -18.5 to -30 V
-14.4
-15
-15.6
V
∆Vo*
Line Regulation
Vi = -17.5 to -30 V
Tj =25
oC
Vi = -20 to -26 V
Tj =25
oC
300
150
mV
mV
∆Vo*
Load Regulation
Io = 5 to 1500 mA
Tj =25
oC
Io = 250 to 750 mA
Tj =25
oC
300
150
mV
mV
Id
Quiescent Current
Tj =25
oC3
mA
∆Id
Quiescent Current Change
Io = 5 to 1000 mA
0.5
mA
∆Id
Quiescent Current Change
Vi = -18.5 to -30 V
1
mA
Vo
T
Output Voltage Drift
Io = 5 mA
-0. 9
mV/
oC
eN
Output Noise Voltage
B = 10Hz to 100KHz Tj =25
oC250
µV
SVR
Supply Voltage Rejection
∆Vi = 10 V
f = 120 Hz
54
60
dB
Vd
Dropout Voltage
Io =1 A
Tj =25
oC
∆VO =100 mV
1.1
V
Isc
Short Circuit Current
1.3
A
Iscp
Short Circuit Peak Current
Tj =25
oC2.3
A
L7900AC
5/11


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