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L7905CV データシート(PDF) 9 Page - STMicroelectronics

部品番号 L7905CV
部品情報  Negative voltage regulators
PDF  24 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7905CV データシート(HTML) 9 Page - STMicroelectronics

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L7900 series
Electrical characteristics
9/24
Table 8.
Electrical characteristics of L7918C (refer to the test circuits, TJ = 0 to 125°C, VI = -27V,
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°C
-17.3
-18
-18.7
V
VO
Output voltage
IO = -5 mA to -1 A, PO ≤15 W
VI = -22 to -33 V
-17.1
-18
-18.9
V
∆VO(1)
Line regulation
VI = -21 to -33 V, TJ = 25°C
360
mV
VI = -24 to -30 V, TJ = 25°C
180
∆VO(1)
Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
360
mV
IO = 250 to 750 mA, TJ = 25°C
180
Id
Quiescent current
TJ = 25°C
3
mA
∆Id
Quiescent current change
IO = 5 mA to 1 A
0.5
mA
VI = -22 to -33 V
1
∆VO/∆T Output voltage drift
IO = 5 mA
-1
mV/°C
eN
Output noise voltage
B = 10Hz to 100KHz, TJ = 25°C
300
µV
SVR
Supply voltage rejection
∆VI = 10 V, f = 120Hz
54
60
dB
Vd
Dropout voltage
IO = 1 A, TJ = 25°C, ∆VO = 100 mV
1.1
V
Isc
Short circuit current
1.1
A
1.
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 9.
Electrical characteristics of L7920C (refer to the test circuits, TJ = 0 to 125°C, VI = -29V,
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°C
-19.2
-20
-20.8
V
VO
Output voltage
IO = -5 mA to -1 A, PO ≤15 W
VI = -24 to -35 V
-19
-20
-21
V
∆VO(1)
Line regulation
VI = -23 to -35 V, TJ = 25°C
400
mV
VI = -26 to -32 V, TJ = 25°C
200
∆VO(1)
Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
400
mV
IO = 250 to 750 mA, TJ = 25°C
200
Id
Quiescent current
TJ = 25°C
3
mA
∆Id
Quiescent current change
IO = 5 mA to 1 A
0.5
mA
VI = -24 to -35 V
1
∆VO/∆T Output voltage drift
IO = 5 mA
-1.1
mV/°C
eN
Output noise voltage
B = 10Hz to 100KHz, TJ = 25°C
350
µV
SVR
Supply voltage rejection
∆VI = 10 V, f = 120Hz
54
60
dB
Vd
Dropout voltage
IO = 1 A, TJ = 25°C, ∆VO = 100 mV
1.1
V
Isc
Short circuit current
0.9
A
1.
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.



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