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L7908ACD2T データシート(PDF) 3 Page - STMicroelectronics

部品番号 L7908ACD2T
部品情報  2% NEGATIVE VOLTAGE REGULATORS
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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L7900AC SERIES
3/13
Figure 2: Application Circuits
Table 4: Electrical Characteristics Of L7905A (refer to the test circuits, TJ = 0 to 125°C, VI = -10V,
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
-4.9
-5
-5.1
V
VO
Output Voltage
IO = -5 mA to -1 A
PO ≤ 15W
VI = 8 to 20 V
-4.8
-5
-5.2
V
∆V
O(*)
Line Regulation
VI = -7 to -25 V
TJ = 25°C
100
mV
VI = -8 to -12 V
TJ = 25°C
50
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
100
mV
IO = 250 to 750 mA
TJ = 25°C
50
Id
Quiescent Current
TJ = 25°C
3
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = -8 to -25 V
1.3
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-0.4
mV/°C
eN
Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
100
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
2.1
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.5
A


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