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L7908ACV Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte L7908ACV
Spiegazioni elettronici  2% NEGATIVE VOLTAGE REGULATORS
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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L7900AC SERIES
4/13
Table 5: Electrical Characteristics Of L7906A (refer to the test circuits, TJ = 0 to 125°C, VI = -11V,
IO = 500 mA, CI = 2.2 µF, CO = 1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Table 6: Electrical Characteristics Of L7908A (refer to the test circuits, TJ = 0 to 125°C, VI = -14V,
IO = 500 mA, CI = 2.2 µF, CO = 1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
-5.88
-6
-6.12
V
VO
Output Voltage
IO = -5 mA to -1 A
PO ≤ 15W
VI = -9.5 to -21.5 V
-5.76-6-6.24
V
∆V
O(*)
Line Regulation
VI = -8.5 to -25 V
TJ = 25°C
120
mV
VI = -9 to -15 V
TJ = 25°C
60
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
120
mV
IO = 250 to 750 mA
TJ = 25°C
60
Id
Quiescent Current
TJ = 25°C
3
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = -9.5 to -25 V
1.3
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-0.6
mV/°C
eN
Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
144
µV
SVR
Supply Voltage Rejection
∆V
I = 10 V f = 120Hz
54
60
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
∆V
O = 100
mV
1.4
V
Isc
Short Circuit Current
2
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.5
A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
-7.84
-8
-8.16
V
VO
Output Voltage
IO = -5 mA to -1 A
PO ≤ 15W
VI = -11.5 to -23 V
-7.68-8-8.32
V
∆V
O(*)
Line Regulation
VI = -10.5 to -25 V
TJ = 25°C
160
mV
VI = -11 to -17 V
TJ = 25°C
80
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
160
mV
IO = 250 to 750 mA
TJ = 25°C
80
Id
Quiescent Current
TJ = 25°C
3
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = -11.5 to -25 V
1
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-0.6
mV/°C
eN
Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
175
µV
SVR
Supply Voltage Rejection
∆V
I = 10 V f = 120Hz
54
60
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
∆V
O = 100
mV
1.1
V
Isc
Short Circuit Current
1.5
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.5
A


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