SI-8050JD
Step-Down
to 5.0 V, 1.5 A,
DC/DC Converter
ELECTRICAL CHARACTERISTICS at TA = +25°C, VI = 20 V, IO = 0.5 A (unless otherwise noted).
Limits
Characteristic
Symbol Test Conditions
Min.
Typ. Max.
5.00 5.10
Units
Output Voltage
VO
4.90
—
V
mV/°C
A
Ref. Volt. Temp. Coeff.
Output Short-Circuit Current
Efficiency
aVref
±0.5
—
—
—
IOM
See note
1.6
—
η
f
82
—
%
Operating Frequency
Line Regulation
—
125
40
—
kHz
mV
mV
mA
µA
∆VO(∆VI)
∆VO(∆IO)
IIQ
VI = 10 V ~ 30 V, IO = 0.5 A
VI = 20 V, IO = 0.2 A ~ 0.8 A
IO = 0 A
—
100
40
Load Regulation
—
10
Quiescent Current
—
7.0
—
—
VCE = 0.3 V
—
200
0.5
-100
Chip Enable Voltage
Soft-Start Current
VCE
ISS
Converter turn-off voltage
VSS = 0 V
—
—
V
—
—
µA
Typical values are given for circuit design information only.
Note: Output short-circuit current is at point where output voltage has decreased 5% below VO(nom)
.
Test Circuit
SI-8050JD
C1 = 220 µF/50 V
C2 = 470 µF/25 V
C3 = 0.47 µF/10 V
L1 = 100 µH
D1 = Sanken SFPB-66
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