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SI-8033JD Datenblatt(PDF) 2 Page - Sanken electric

Teilenummer SI-8033JD
Bauteilbeschribung  Surface-Mount, Separate Excitation Step-down Switching Mode
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Hersteller  SANKEN [Sanken electric]
Direct Link  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

SI-8033JD Datenblatt(HTML) 2 Page - Sanken electric

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17
ICs
SI-8000JD Series
■External Dimensions (TO263-5)
(Unit : mm)
Pin Assignment
q VIN
w SWOUT
e GND
r VOS
t ON/OFF
Plastic Mold Package Type
Flammability: 94V-0
Product Mass: Approx. 1.48g
(2
×R0.45)
(1.7
±0.25
)
(1.7
±0.25
)
0.8
±0.1
10.0
±0.2
(4.4)
(8.0)
9.9
±0.2
Case temperature
measurement point
(15
°)
(0.5)
2-R0.3
10.0
±0.02
3-R0.3
(R0.3)
(R0.3)
0.88
±0.10
1.5 Dp:
±0.2
φ
(1.7
±0.25
)
12345
(1.7
±0.25
)
0.8
±0.1
4.5
±0.2
1.3
0.10
±0.15
2.4
±0.2
+0.10
–0.05
(3
°)
(3
°)
(3
°)
(3
°)
(3
°)
0 to 6
°
■Block Diagram
■Typical Connection Diagram
4
3
GND
2
VIN
ON/OFF
SWOUT
1
5
PReg.
OCP
Reset
OSC
+
Comp.
Error Amp.
Latch &
Drive
TSD
ON/OFF
Soft
Start
VREF
+
VIN
C1
C3
Di
L1
C2
VIN
GND
ON/OFF
GND
SI-8000JD
SWOUT
VOS
12
4
3
5
+
+
VOUT
GND
C1: 50V/220µF
C2: 25V/470µF
C3: 10V/0.47µF (Only when using soft-start function)
L1: 100µH
Di : SJPB-H6 (Sanken)
■Reference Data
Copper Laminate Area on Glass Epoxy Board vs.
Thermal Resistance (Junction to Ambient Air) (Typical Value)
Output Current vs. Power Dissipation (Typical)
55
50
45
40
35
30
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
200
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
400
600
800
1000
Copper Laminate Area (mm2)
Output Current IO (A)
VIN 8V
20V
30V
40V
1200
1400
1600
1800
With glass epoxy board of 40 × 40 mm
■Ta-PD Characteristics
The efficiency depends on the input voltage and the output current. Therefore, obtain the value
from the efficiency graph and substitute the percentage in the formula above.
VO :Output Voltage
VIN : Input Voltage
IO : Output Current
ηχ : Efficiency (%)
VF :D1 forward voltage
0.4V(IO=2A)(SJPB-H6)
Thermal design for D1 must be considered separately.
3.5
3
2.5
2
1.5
1
0.5
0
–25
0
25
50
75
100
125
Ambient Temperature Ta (°C)
Copper Area
40×40 mm
( j-a : 33.3°C/W)
20×40 mm
( j-a : 37°C/W)
20×20 mm
( j-a :44°C/W)
10×10 mm
( j-a : 53°C/W)
θ
θ
θ
θ
PD=VO·IO
100
–1 –VF·IO 1–
VO
ηχ
VIN


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