L78S00 Datasheet, PDF (12/21 Pages) STMicroelectronics – 2A POSITIVE VOLTAGE REGULATORS

L78S00 SERIES
ELECTRICAL CHARACTERISTICS FOR L78S18C (refer to the test circuits, Tj = 25 ^oC,
V_i = 26V, I_o = 500 mA unless otherwise specified)
Symbol
Parameter
Vo Output Voltage
Vo Output Voltage
∆Vo Line Regulation
∆V_o Load Regulation
I_d
∆Id
∆Id
∆Vo
∆T
e_N
SVR
Vi
Ro
Isc
Iscp
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Operating Input Voltage
Output Resistance
Short Circuit Current
Short Circuit Peack Current
Test Conditions
Io = 1 A
Vi = 20.5 V
Vi = 20.5 to 30 V
V_i = 22 to 28 V
I_o = 20 mA to 1.5 A
I_o = 2 A
Io = 20 mA to 1A
Io = 20 mA Vi = 20.5 to 30 V
Io = 5 mA
Tj = 0 to 70 ^oC
B = 10Hz to 100KHz
f = 120 Hz
Io ≤ 1.5 A
f = 1KHz
Vi = 27 V
Min.
17.1
17
Typ.
18
18
200
-1
Max.
18.9
19
360
180
360
8
0.5
1
110
43
21
22
500
3
Unit
V
V
mV
mV
mV
mA
mA
mA
mV/^oC
µV
dB
V
mΩ
mA
A
ELECTRICAL CHARACTERISTICS FOR L78S24C (refer to the test circuits, Tj = 25 ^oC,
Vi = 33V, Io = 500 mA unless otherwise specified)
Symbol
Parameter
V_o Output Voltage
V_o Output Voltage
∆V_o Line Regulation
∆Vo Load Regulation
I_d
∆I_d
∆I_d
∆V_o
∆T
e_N
SVR
V_i
R_o
I_sc
Iscp
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Operating Input Voltage
Output Resistance
Short Circuit Current
Short Circuit Peack Current
Test Conditions
I_o = 1 A
V_i = 27 V
V_i = 27 to 38 V
Vi = 30 to 36 V
Io = 20 mA to 1.5 A
Io = 2 A
I_o = 20 mA to 1A
I_o = 20 mA V_i = 27 to 38 V
I_o = 5 mA
T_j = 0 to 70 ^oC
B = 10Hz to 100KHz
f = 120 Hz
I_o ≤ 1.5 A
f = 1KHz
V_i = 27 V
Min.
23
22.8
Typ.
24
24
300
-1.5
Max.
25
25.2
480
240
480
8
0.5
1
170
42
27
28
500
3
Unit
V
V
mV
mV
mV
mA
mA
mA
mV/^oC
µV
dB
V
mΩ
mA
A
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