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參數(shù)資料
| 型號： | SI-8221L |
| 廠商： | SANKEN ELECTRIC CO LTD |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Switching Type(Self Oscillation Type with Coil) |
| 中文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 64K |
| 代理商： | SI-8221L |
30
I
Block Diagram
SI-8201L8202L8203L8204L8221L
SI-8301L8303L
SI-8211L8213L
I
Caution
1. A low-impedance capacitor suitable for switching applications must be used for the external capacitor and must be
connected as close to the IC as possible in order to assure low ripple voltage and stable switching operation.
2. The SI-8200L and 8300L series do not have a built-in overcurrent protection circuit. Thus, avoid short-circuit
conditions that may cause a flow of overcurrent.
3. The SI-8300L series may not start up if the input voltage rises too rapidly.
Do not use the SI-8300L series in applications where the input terminal, pin6, is opened and closed directly in a state
where the input voltage is already applied.
4. Terminals L
IN
and NC in the connection diagram must be left unconnected to other circuits.
5. The IC’s metallic heatsink is electrically floating. Do not connect it to GND or any other circuit.
6. Since the SI-8200L and 8300L series have an open-package construction, they can only be operated in specific
environments. Verify the operating environment and use the IC within the conditions indicated in the reliability data.
Vo
Io
η
χ
: Output Voltage
: Output Current
: Efficiency
Note: The efficiency depends on the
input voltage and the output
current. Thus, obtain the value
from the efficiency graph and
substitute the percentage in
the formula above.
Switching Type
Self Oscillation Type with Coil
SI-8200L/8300L
Series
V
IN
Vref
L
IN
L1
D
I
Tr1
V
OUT
GND
Amp
Drive
V
IN
Vref
L
IN
L1
D
I
Tr1
Tr2
V
OUT
GND
Amp
Drive
1.5
1.0
0.5
00
20
40
60
80
100
SI-8201L
8202L
8203L
8204L
SI-8221L
SI-8211L
8213L
P
D
(
Ambient temperature Ta (
°
C)
3.0
2.0
1.0
00
20
40
60
80
100
P
D
(
Ambient temperature Ta (
°
C)
SI-8301L
8303L
I
Ta-PD Characteristics
P
D
= V
O
I
O
100
η
χ
–1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SI-8303L | Switching Type(Self Oscillation Type with Coil) |
| SI-8400L | Separate Excitation Switching Type with Coil |
| SI-8503L | Separate Excitation Switching Type with Coil |
| SI-8504L | Separate Excitation Switching Type with Coil |
| SI-8505L | Separate Excitation Switching Type with Coil |
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