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PDF SI-8050W Data sheet ( Hoja de datos )
| Número de pieza | SI-8050W | |
| Descripción | Separate Excitation Step-down Switching Mode Regulator ICs | |
| Fabricantes | ETC | |
| Logotipo |  |
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1-1-2 Switching Mode Regulator ICs
SI-8000W Series Surface-Mount, Separate Excitation Step-down Switching Mode Regulator ICs
■Features
• Surface-mount package (SOP8)
• Output current: 0.6A
• High efficiency: 75 to 80%
• Requires only 4 discrete components
• Internally-adjusted phase correction and
output voltage adjustment performed internally
• Built-in reference oscillator (60kHz)
• Built-in overcurrent and thermal protection
circuits
■Absolute Maximum Ratings
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to 7-Pin Lead)
Thermal Resistance (Junction to Ambient Air)*1
Symbol
VIN
PD
Tj
Tstg
θ j-L
θ j-a
*1: Glass-epoxy board of 40 × 40mm (copper laminate area 4.3%)
Ratings
35
1
–30 to +125
–40 to +125
22
100
■Applications
• Power supplies for telecommunication equipment
• Onboard local power supplies
■Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Symbol
VIN
IO
Tjop
SI-8033W
5.3 to 28
Ratings
0 to 0.6
–30 to +125
SI-8050W
7 to 33
■Electrical Characteristics
Parameter
Symbol
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Overcurrent Protection Starting
Current
VO
Conditions
η
Conditions
f
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
∆VO/∆Ta
RREJ
Conditions
IS1
Conditions
min.
3.17
0.61
SI-8033W
typ.
3.30
VIN=15V, IO=0.3A
75
VIN=15V, IO=0.3A
60
VIN=15V, IO=0.3A
60
VIN=8 to 28V, IO=0.3A
20
VIN=15V, IO=0.1 to 0.4A
±0.5
45
f=100 to 120HZ
VIN=15V
Ratings
max.
3.43
min.
4.80
80
30
0.61
SI-8050W
typ.
5.00
VIN=20V, IO=0.3A
80
VIN=20V, IO=0.3A
60
VIN=20V, IO=0.3A
80
VIN=10 to 30V, IO=0.3A
30
VIN=20V, IO=0.1 to 0.4A
±0.5
45
f=100 to 120HZ
max.
5.20
100
40
VIN=20V
Unit
V
W
°C
°C
°C/W
°C/W
Unit
V
A
°C
(Ta=25°C)
Unit
V
%
kHZ
mV
mV
mV/ °C
dB
A
44 ICs
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet SI-8050W.PDF ] | |
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