SI-8120JD Allegro Microsystems Inc, SI-8120JD Datasheet - Page 3

• Manufacturer Part Number: SI-8120JD
• Description: Regulator IC - Switching Mode (Surface Mount)
• Manufacturer: Allegro Microsystems Inc

ELECTRICAL CHARACTERISTICS
Characteristic
Output Voltage
Ref. Volt. Temp. Coeff.
Output Short-Circuit Current
Efficiency
Operating Frequency
Line Regulation
Load Regulation
Quiescent Current
Chip Enable Voltage
Soft-Start Current
Typical values are given for circuit design information only.
Note: Output short-circuit current is at point where output voltage has decreased 5% below V
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SI-8120JD
Symbol
V
V
a
V
I
V
I
I
OM
O( VI)
O( IO)
Vref
SS
IQ
f
CE
O
Test Conditions
See note
V
V
I
V
Converter turn-off voltage
V
O
at T
I
I
CE
SS
= 0 A
= 18 V ~ 30 V, I
= 24 V, I
= 0.3 V
= 0 V
A
= +25°C, V
O
= 0.2 A ~ 0.8 A
I
O
= 24 V, I
= 0.5 A
O
= 0.5 A (unless otherwise noted).
11.76
Min.
Test Circuit
C1 = 220 µF/50 V
C2 = 470 µF/25 V
C3 = 0.47 µF/10 V
L1 = 100 µH
D1 = Sanken SFPB-66
1.6
—
—
—
—
—
—
—
—
—
DC/DC Converter
O(nom)
to 12.0 V, 1.5 A,
Typ.
12.0
±1.0
125
7.0
88
60
10
—
—
—
—
SI-8120JD
.
Limits
Step-Down
12.24
Max.
-100
130
200
0.5
40
—
—
—
—
—
mV/°C
Units
kHz
mV
mV
mA
µA
µA
%
V
A
V
3