KD1084xx - KD1084Axx Electrical characteristics
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Table 8. Electrical characteristics of KD1084 (V
I
= 4.25 V, C
I
= C
O
= 10 µF (tant.),
T
A
= -40 to 125 °C, unless otherwise specified)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage
I
O
= 10 mA, T
J
= 25°C 1.225 1.25 1.275 V
I
O
= 10 mA to 5A, V
I
= 2.85 to 10V 1.213 1.25 1.287 V
ΔV
O
Line regulation
I
O
= 10 mA, V
I
= 2.85 to 10V T
J
= 25°C 0.015 0.2 mV
I
O
= 10 mA, V
I
= 2.85 to 10V 0.035 0.2 mV
ΔV
O
Load regulation
I
O
= 10 mA to 5A, T
J
= 25°C 1 0.3 mV
I
O
= 10 mA to 5A 0.2 0.4 V
V
d
Dropout voltage I
O
= 5 A 1.3 1.5 V
I
O(min)
Quiescent current V
I
≤ 10V 3 10 mA
I
sc
Short circuit current V
I
- V
O
= 5V 5.5 7 A
Thermal regulation T
A
= 25°C, 30ms pulse 0.003 0.015 %/W
SVR Supply voltage rejection
f = 120 Hz, C
O
= 25µF, C
ADJ
= 25µF,
I
O
= 5A, V
I
= 4.75 ± 1.5V
60 72 dB
I
ADJ
Adjust pin current V
I
= 4.25V, I
O
= 10 mA 55 120 µA
ΔI
ADJ
Adjust pin current change V
I
= 2.85 to 10V, I
O
= 10 mA to 5A 0.2 5 µA
eN
RMS Output noise voltage
(% of V
O
)
T
A
= 25°C, f = 10Hz to 10kHz 0.003 %
S Temperature stability 0.5 %
S Long term stability T
A
= 125°C, 1000Hrs 0.5 %
