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參數(shù)資料
| 型號： | SI-3018LSA |
| 廠商： | SANKEN ELECTRIC CO LTD |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PDSO8 |
| 封裝： | PLASTIC, SOP-8 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 69K |
| 代理商： | SI-3018LSA |
13
ICs
SI-3000LSA Series
■External Dimensions (SOP8)
(Unit : mm)
0.995max.
0.10
1.27
0.4±0.1
0.15+0.1
5.1±0.4
1.27
8765
1234
4.4
±
0.2
1.5
±
0.1
1.55
±
0.15
0.05
±
0.05
6.2
0~10
°
0.5
±
0.1
–0.05
0.12 M
Pin Assignment
q VIN
w NC (Leave open)
e VIN
r VC
t GND
y GND
u VO
i VO
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 0.1g
■Block Diagram
■Typical Connection Diagram
■Reference Data
CO: Output capacitor (22
F or larger)
CIN: Input capacitor (10
F)
This capacitor is required in the case of an inductive input line or long
wiring.
Tantalum capacitors are recommended for CIN and CO, particularly at
low temperatures.
* Leave pin 2 open.
TSD
+
–
VIN
NC
VIN
VC
VO
GND
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
+
VIN
VC
VO
CIN
CO
GND
+
Load
PCB Copper Laminate Area vs. Junction to
Ambient Air Thermal Resistance
Allowable Output Current
(vs. VIN-VOUT Voltage Difference)
VIN-IO max
The inner frame stage, on which the PTr is mounted,
is directly connected to the VOUT pin.
Therefore, enlarging the copper laminate area
around the VOUT pin is really effective for a heat
radiation.
150
140
130
120
110
100
90
80
70
100
1000
5000
Copper Laminate Area (mm2)
PCB (glass-epoxy, 40
×40mm)
160mm (40
×40) mm
j-a
(°
C/W)
1.2
1.0
0.8
0.6
0.4
0.2
0
1234
VIN-VOUT Voltage Difference (V)
Tj = 120
°C (20% derating of 150°C)
Iout
(
max)
(A)
Ta=25
°C
Ta=85
°C
j-a
=100
°C/W
θ
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