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L79L12ACZ 数据表(PDF) 9 Page - STMicroelectronics

部件名 L79L12ACZ
功能描述  Negative voltage regulators
Download  22 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L79L12ACZ 数据表(HTML) 9 Page - STMicroelectronics

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L79LxxAB - L79LxxAC - L79LxxC
Electrical characteristics
9/22
Table 9.
Electrical characteristics of L79L15 (refer to the test circuits, TJ = 0 to 125 °C, VI = - 23 V,
IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
-13.8
-15
-16.2
V
VO
Output voltage
IO = 1 to 40 mA, VI = -17.5 to -30 V
-13.5
-16.5
V
IO = 1 to 70 mA, VI = -23 V
-13.5
-16.5
ΔVO
Line regulation
VI = -17.5 to -30 V, TJ = 25°C
300
mV
VI = -20 to -30 V, TJ = 25°C
250
ΔVO
Load regulation
IO = 1 to 100 mA, TJ = 25°C
150
mV
IO = 1 to 40 mA, TJ = 25°C
75
Id
Quiescent current
TJ = 25°C
6.5
mA
TJ = 125°C
6
mA
ΔId
Quiescent current change
IO = 1 to 40 mA
0.2
mA
VI = -20 to -30 V
1.5
eN
Output noise voltage
B =10Hz to 100kHz, TJ = 25°C
90
µV
SVR
Supply voltage rejection
VI = -18.5 to -28.5.V, f = 120Hz
IO = 40 mA, TJ = 25°C
33
39
dB
Vd
Dropout voltage
1.7
V
Table 10.
Electrical characteristics of L79L05AB and L79L05AC (refer to the test circuits,
VI = - 10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C for L79L05AC,
TJ = -40 to 125 °C for L79L05AB, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
-4.8
-5
-5.2
V
VO
Output voltage
IO = 1 to 40 mA, VI = -7 to -20 V
-4.75
-5.25
V
IO = 1 to 70 mA, VI = -10 V
-4.75
-5.25
ΔVO
Line regulation
VI = -7 to -20 V, TJ = 25°C
150
mV
VI = -8 to -20 V, TJ = 25°C
100
ΔVO
Load regulation
IO = 1 to 100 mA, TJ = 25°C
60
mV
IO = 1 to 40 mA, TJ = 25°C
30
Id
Quiescent current
TJ = 25°C
6
mA
TJ = 125°C
5.5
mA
ΔId
Quiescent current change
IO = 1 to 40 mA
0.1
mA
VI = -8 to -20 V
1.5
eN
Output noise voltage
B =10Hz to 100kHz, TJ = 25°C
40
µV
SVR
Supply voltage rejection
VI = -8 to -18V, f = 120Hz
IO = 40 mA, TJ = 25°C
41
49
dB
Vd
Dropout voltage
1.7
V


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