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CD00000448 Datasheet, PDF (10/31 Pages) STMicroelectronics – Precision 500 mA regulators
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Electrical characteristics
L78MxxAB, L78MxxAC
Refer to the test circuits, VI = 15 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 7.
Symbol
Electrical characteristics of L78M09XX
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
TJ = 25°C
8.82 9 9.18 V
VO Output voltage
IO = 5 to 350 mA, VI = 11.5 to 24 V
8.64 9 9.36 V
ΔVO Line regulation
VI = 11.5 to 25 V, IO = 200 mA,
TJ = 25°C
VI = 12 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
180
mV
90
Id
Quiescent current
TJ = 25°C
6
mA
ΔId
IO = 5 to 350 mA
Quiescent current change
IO = 200 mA, VI = 11.5 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 = 12.5 to 23 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
VI = 35 V, TJ = 25°C
250
mA
Iscp Short circuit peak current TJ = 25°C
700
mA
10/31
Doc ID 2147 Rev 13
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