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L79LXXAB 数据表(PDF) 10 Page - STMicroelectronics

部件名 L79LXXAB
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

L79LXXAB 数据表(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
L79LxxAB - L79LxxAC - L79LxxC
10/22
Table 11.
Electrical characteristics of L79L06AB and L79L06AC (refer to the test circuits,
VI = - 12 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
-5.76-6-6.24
V
VO
Output voltage
IO = 1 to 40 mA, VI = -8.5 to -20 V
-5.7
-6.3
V
IO = 1 to 70 mA, VI = -12 V
-5.7
-6.3
ΔVO
Line regulation
VI = -8.5 to -20 V, TJ = 25°C
150
mV
VI = -9 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
50
µV
SVR
Supply voltage rejection
VI = -9 to -20V, f = 120Hz
IO = 40 mA, TJ = 25°C
39
46
dB
Vd
Dropout voltage
1.7
V
Table 12.
Electrical characteristics of L79L08AB and L79L08AC (refer to the test circuits,
VI = - 14 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
-7.68-8-8.32
V
VO
Output voltage
IO = 1 to 40 mA, VI = -10.5 to -23 V
-7.6
-8.4
V
IO = 1 to 70 mA, VI = -14 V
-7.6
-8.4
ΔVO
Line regulation
VI = -10.5 to -23 V, TJ = 25°C
175
mV
VI = -11 to -23 V, TJ = 25°C
125
ΔVO
Load regulation
IO = 1 to 100 mA, TJ = 25°C
80
mV
IO = 1 to 40 mA, TJ = 25°C
40
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 = -11 to -23 V
1.5
eN
Output noise voltage
B =10Hz to 100kHz, TJ = 25°C
60
µV
SVR
Supply voltage rejection
VI = -12 to -23V, f = 120Hz
IO = 40 mA, TJ = 25°C
37
45
dB
Vd
Dropout voltage
1.7
V


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