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SI-8921L Fiches technique(PDF) 4 Page - Sanken electric

No de pièce SI-8921L
Description  Separate Excitation Switching Type with Transformer
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Fabricant  SANKEN [Sanken electric]
Site Internet  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

SI-8921L Fiches technique(HTML) 4 Page - Sanken electric

  SI-8921L Datasheet HTML 1Page - Sanken electric SI-8921L Datasheet HTML 2Page - Sanken electric SI-8921L Datasheet HTML 3Page - Sanken electric SI-8921L Datasheet HTML 4Page - Sanken electric SI-8921L Datasheet HTML 5Page - Sanken electric  
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105
sTa-PD Characteristics
sCaution
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-881L/8911L series does not have a built-in overcurrent protection circuit on terminal VO2(–5V). Thus, avoid short-circuit conditions that
may cause an overcurrent.
3. Do not connect VIN(–) of SI-8811L to GND. The overcurrent protection circuit may not work if they are connected.
4. Terminals left unconnected in the connection diagram must not be connected 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-8800L and 8900L series have an open-package construction, they can be operated in specific environments. Verify the operating
environment and use the IC within the conditions indicated in the reliability data.
1.5
1.0
0.5
0
025
50
Ambient Temperature Ta (
°C)
75
100
SI-8811L
SI-8911L
SI-8921L
1.5
1.0
0.5
0
025
50
Ambient Temperature Ta (
°C)
75
100
8922L
qSI-8800L/8900L Series
VO :Output voltage
IO :Output current
ηχ :Efficiency (%)
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.
PD=VO•IO
100
–1
ηχ


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