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SI-8033W PDF даташит

Спецификация SI-8033W изготовлена ​​​​«ETC» и имеет функцию, называемую «Separate Excitation Step-down Switching Mode Regulator ICs».

Детали детали

Номер произв SI-8033W
Описание Separate Excitation Step-down Switching Mode Regulator ICs
Производители ETC
логотип ETC логотип 

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SI-8033W Даташит, Описание, Даташиты
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









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SI-8033W Даташит, Описание, Даташиты
SI-8000W Series
External Dimensions (SOP8)
5.1±0.4
1.27
0.4±0.1
8765
0.15+–00..105
1234
1.27
0.995max.
0.4±0.1
0.10
0.12 M
Block Diagram
VIN 1
Reg.
OCP
OSC
Reset
Comp.
Drive
Amp.
5~8
GND
VREF
3 SWOUT
TSD
4 VOS
Reference Data
Copper Laminate Area vs. Power Dissipation
Tj=100°C Area of PC board : 40 × 40mm
1.2
Ta=25°C
1 Ta=50°C
Ta=80°C
0.8
0.6
0.4
0.2
0
10
100
Copper Laminate Area (mm2)
(GND Terminal)
1000
Pin Assignment
q VIN
w N.C
e SWOUT
r VOS
t GND
y GND
u GND
i GND
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 0.1g
(Unit : mm)
Typical Connection Diagram
VIN
C1
100µF
L1
1
VIN
3
SWOUT
4
SI-8000W VOS
200µH
VO
+ GND
D1
5~8 SJPB-D4
(Sanken)
+
C2
330µF
GND
GND
Copper Laminate Area vs. Thermal Resistance θj-a
Area of PC board : 40 × 40mm
140
120
100
80
60
40
10
100
Copper Laminate Area (mm2)
(GND Terminal)
1000
ICs 45










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