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SI-8033JF Datasheet(Scheda tecnica) 3 Page - Allegro MicroSystems

Numero della parte SI-8033JF
Dettagli  Step-Down to 3.3 V, 1.5 A, DC/DC Converter
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Produttore  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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 3 page
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SI-8033JF
Step-Down
to 3.3 V, 1.5 A,
DC/DC Converter
www.allegromicro.com
Switching
Regulators
3
ELECTRICAL CHARACTERISTICS at T
A = +25°C, VI = 15 V, IO = 0.5 A (unless otherwise noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Voltage
V
O
3.234
3.30
3.366
V
Ref. Volt. Temp. Coeff.
a
Vref
±0.5
mV/°C
Output Short-Circuit Current
I
OM
See note
1.6
A
Efficiency
η
—77
%
Operating Frequency
f
125
kHz
Line Regulation
∆V
O(
∆VI)
V
I = 8 V ~ 30 V, IO = 0.5 A
25
80
mV
Load Regulation
∆V
O(
∆IO)
V
I = 15 V, IO = 0.2 A ~ 0.8 A
10
30
mV
Quiescent Current
I
IQ
I
O = 0 A
7.0
mA
V
CE = 0.3 V
200
µA
Chip Enable Voltage
V
CE
Converter turn-off voltage
0.5
V
Soft-Start Current
I
SS
V
SS = 0 V
-100
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 V
O(nom).
SI-8033JF
Test Circuit
C1 = 220 µF/50 V
C2 = 470 µF/25 V
C3 = 0.47 µF/10 V
L1 = 100 µH
D1 = Sanken RK-16




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Il numero della parte collegato

Numero parteDettagliHtml ViewProduttore
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