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L7805CV Datasheet(PDF) 15 Page - STMicroelectronics

Part No. L7805CV
Description  POSITIVE VOLTAGE REGULATORS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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L7800 SERIES
15/34
Table 23: Electrical Characteristics Of L7824C (refer to the test circuits, TJ = 0 to 125°C, VI = 33V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 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.
Figure 8: Dropout Voltage vs Junction
Temperature
Figure 9: Peak Output Current vs Input/output
Differential Voltage
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
232425
V
VO
Output Voltage
IO = 5 mA to 1 A
PO ≤ 15W
VI = 27 to 38 V
22.8
24
25.2
V
∆V
O(*)
Line Regulation
VI = 27 to 38 V
TJ = 25°C
480
mV
VI = 30 to 36 V
TJ = 25°C
240
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
480
mV
IO = 250 to 750 mA
TJ = 25°C
240
Id
Quiescent Current
TJ = 25°C
8
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = 27 to 38 V
1
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-1.5
mV/°C
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
170
µV/V
O
SVR
Supply Voltage Rejection
VI = 28 to 38 V
f = 120Hz
50
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
2
V
RO
Output Resistance
f = 1 KHz
28
m
Isc
Short Circuit Current
VI = 35 V
TJ = 25°C
0.15
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.1
A




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