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L78M00AC Scheda tecnica(PDF) 9 Page - STMicroelectronics

Il numero della parte L78M00AC
Spiegazioni elettronici  PRECISION 500mA REGULATORS
PDF  17 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L78M00AC Scheda tecnica(HTML) 9 Page - STMicroelectronics

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L78M00AB/AC SERIES
9/17
ELECTRICAL CHARACTERISTICS OF L78M20XX (refer to the test circuits, VI = 29V, IO =350 mA,
CI =0.33µF, CO =0.1 µF, TJ = -40 to 125°C (AB), TJ = 0 to 125°C (AC) unless otherwise specified)
ELECTRICAL CHARACTERISTICS OF L78M24XX (refer to the test circuits, VI = 33V, IO =350 mA,
CI =0.33µF, CO =0.1 µF, TJ = -40 to 125°C (AB), TJ = 0 to 125°C (AC) unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
19.6
20
20.4
V
VO
Output Voltage
IO = 5 to 350 mA
VI =23to35V
19.2
20
20.8
V
∆V
O
Line Regulation
VI =23 to35 V, IO = 200 mA TJ = 25°C
100
mV
VI =24 to35 V, IO = 200 mA TJ = 25°C
30
∆V
O
Load Regulation
IO = 5 to 500 mA
TJ = 25°C
400
mV
IO = 5 to 200 mA
TJ = 25°C
200
Id
Quiescent Current
TJ = 25°C
6
mA
∆I
d
Quiescent Current Change
IO = 5 to 350 mA
0.5
mA
IO = 200 mA
VI =23to35V
0.8
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-1.1
mV/°C
SVR
Supply Voltage Rejection
VI = 24 to 34 V
f = 120Hz
IO = 300mA
TJ = 25°C
53
dB
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
110
µV
Vd
Dropout Voltage
TJ = 25°C
2
V
Isc
Short Circuit Current
TJ = 25°C
VI = 35 V
240
mA
Iscp
Short Circuit Peak Current
TJ = 25°C
700
mA
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
23.5
24
24.5
V
VO
Output Voltage
IO = 5 to 350 mA
VI =27to38V
23
24
25
V
∆V
O
Line Regulation
VI =27 to38 V, IO = 200 mA TJ = 25°C
100
mV
VI =28 to38 V, IO = 200 mA TJ = 25°C
30
∆V
O
Load Regulation
IO = 5 to 500 mA
TJ = 25°C
480
mV
IO = 5 to 200 mA
TJ = 25°C
240
Id
Quiescent Current
TJ = 25°C
6
mA
∆I
d
Quiescent Current Change
IO = 5 to 350 mA
0.5
mA
IO = 200 mA
VI =27to38V
0.8
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-1.2
mV/°C
SVR
Supply Voltage Rejection
VI = 28 to 38 V
f = 120Hz
IO = 300mA
TJ = 25°C
50
dB
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
170
µV
Vd
Dropout Voltage
TJ = 25°C
2
V
Isc
Short Circuit Current
TJ = 25°C
VI = 35 V
240
mA
Iscp
Short Circuit Peak Current
TJ = 25°C
700
mA



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