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CD00000448 Datasheet, PDF (9/31 Pages) STMicroelectronics – Precision 500 mA regulators
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L78MxxAB, L78MxxAC
Electrical characteristics
Refer to the test circuits, VI = 14 V, IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = -40 to 125
°C (AB), TJ = 0 to 125 °C (AC) unless otherwise specified).
Table 6.
Symbol
Electrical characteristics of L78M08XX
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
TJ = 25°C
7.84 8 8.16 V
VO Output voltage
IO = 5 to 350 mA, VI = 10.5 to 23 V
7.7
8
8.3
V
ΔVO Line regulation
VI = 10.5 to 25 V, IO = 200 mA,
TJ = 25°C
VI = 11 to 25 V, IO = 200 mA, TJ = 25°C
100
mV
30
ΔVO Load regulation
IO = 5 to 500 mA, TJ = 25°C
IO = 5 to 200 mA, TJ = 25°C
160
mV
80
Id
Quiescent current
TJ = 25°C
6
mA
ΔId
IO = 5 to 350 mA
Quiescent current change
IO = 200 mA, VI = 10.5 to 25 V
0.5
mA
0.8
ΔVO/ΔT Output voltage drift
IO = 5 mA
-0.5
mV/°C
SVR Supply voltage rejection
VI = 11.5 to 21.5 V, f = 120Hz
IO = 300mA, TJ = 25°C
56
dB
eN Output noise voltage
B =10Hz to 100kHz, TJ = 25°C
52
µV
Vd Dropout voltage
TJ = 25°C
2
V
Isc Short circuit current
TJ = 25°C, VI = 35 V
250
mA
Iscp Short circuit peak current TJ = 25°C
700
mA
Doc ID 2147 Rev 13
9/31
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