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L7915CD2T-TR データシート(PDF) 8 Page - STMicroelectronics

部品番号 L7915CD2T-TR
部品情報  Negative voltage regulators
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
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L7915CD2T-TR データシート(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
L7900 series
8/24
Table 6.
Electrical characteristics of L7912C (refer to the test circuits, TJ = 0 to 125°C, 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°C
-11.5
-12
-12.5
V
VO
Output voltage
IO = -5 mA to -1 A, PO ≤15 W
VI = -15.5 to -27 V
-11.4
-12
-12.6
V
∆VO(1)
Line regulation
VI = -14.5 to -30 V, TJ = 25°C
240
mV
VI = -16 to -22 V, TJ = 25°C
120
∆VO(1)
Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
240
mV
IO = 250 to 750 mA, TJ = 25°C
120
Id
Quiescent current
TJ = 25°C
3
mA
∆Id
Quiescent current change
IO = 5 mA to 1 A
0.5
mA
VI = -15 to -30 V
1
∆VO/∆T Output voltage drift
IO = 5 mA
-0.8
mV/°C
eN
Output noise voltage
B = 10Hz to 100KHz, TJ = 25°C
200
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
1.5
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 7.
Electrical characteristics of L7915C (refer to the test circuits, TJ = 0 to 125°C, 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°C
-14.4
-15
-15.6
V
VO
Output voltage
IO = -5 mA to -1 A, PO ≤15 W
VI = -18.5 to -30 V
-14.3
-15
-15.7
V
∆VO(1)
Line regulation
VI = -17.5 to -30 V, TJ = 25°C
300
mV
VI = -20 to -26 V, TJ = 25°C
150
∆VO(1)
Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
300
mV
IO = 250 to 750 mA, TJ = 25°C
150
Id
Quiescent current
TJ = 25°C
3
mA
∆Id
Quiescent current change
IO = 5 mA to 1 A
0.5
mA
VI = -18.5 to -30 V
1
∆VO/∆T Output voltage drift
IO = 5 mA
-0.9
mV/°C
eN
Output noise voltage
B = 10Hz to 100KHz, TJ = 25°C
250
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
1.3
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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