LD1085XX_08 Datasheet, PDF (10/28 Pages) STMicroelectronics – 3 A low drop positive voltage regulator adjustable and fixed

Electrical characteristics
LD1085xx
Table 7.
Symbol
Electrical characteristics of LD1085#33
(V_I = 6.3 V, C_I = C_O =10 µF, T_A = -40 to 125 °C, unless otherwise specified).
Parameter
Test condition
Min. Typ. Max. Unit
V_O
ΔV_O
ΔV_O
V_d
I_q
I_sc
SVR
eN
S
Output voltage ⁽¹⁾
Line regulation
Load regulation
Dropout voltage
Quiescent current
Short circuit current
Thermal regulation
Supply voltage rejection
RMS output noise voltage (%
of V_O)
Temperature stability
I_O = 0 mA, T_J = 25°C
I_O = 0 to 3 A, V_I = 4.9 to 30 V
I_O = 0 mA, V_I = 4.9 to 18 V, T_J = 25°C
I_O = 0 mA, V_I = 4.9 to 18 V
I_O = 0 to 3 A, T_J = 25°C
I_O = 0 to 3 A
I_O = 3 A
V_I ≤30 V
V_I - V_O = 5 V
V_I - V_O = 25 V
T_A = 25°C, 30 ms pulse
f = 120 Hz, C_O = 25 µF, I_O = 3 A
V_I = 8.3 ± 3 V
3.267
3.234
3.2
0.2
60
T_A = 25°C, f =10 Hz to 10 kHz
S Long term stability
T_A = 125°C, 1000 Hrs
1. See short-circuit current curve for available output current at fixed dropout.
3.3 3.333
3.35 3.366
0.5 6
1
6
3
15
7
20
1.3 1.5
5
10
4.5
0.5
0.008 0.04
72
0.003
0.5
0.5
V
V
mV
mV
mV
mV
V
mA
A
A
%/W
dB
%
%
%
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