Document
L.S.E.
Mechanical
EPOXY×4
Note : 1. Unit:mm 2. Scale:F 3. 【YYWW】 :Date Code
Power Transformer: LSPA20205
Feature
◆ Deigned to intent of UL 60950 ◆ Universal Input 85~265 Volts ◆ Designed for Power Integrations TNY Switch II Chip Sets
Schematic
14.0 MAX.
PRI.
SEC.
LSPA20205 ● LSE YYWW
SQ 0.5 11.2 ±0.5
-0.0/+0.2
2.54 ±0.3 16.0 MAX.
3.3V
φ 1.1
*12
5.0V
19.0 MAX.
15.0 MAX.
11.2 Typ.
2.54 Typ.
Electrical Characteristics
A. D.C. Resistance: (25℃) R(5-2):4.750 Ω max. R(7-11):49.0 mΩ max. R(7-8):24.0 mΩ max. B. Inductance: L(5-2):1.492 mH ±10% C. Leakage Inductance: Lk(5-2):113.0 µH max. D. Turns Ratio: P(7-8)==> 0.030 ± 0.008Vrms P(8-10)==> 0.020 ± 0.008Vrms P(10-11)==> 0.030 ± 0.008Vrms P(7-11)==> 0.080 ± 0.008Vrms E. Isolation Voltage(Hi-Pot) : Pri. To Sec. => Sec. To Core => @ 132 KHz, 1V, Ls @ 132 KHz, 1V, Ls, shorted P(8+10+11) @ Pins(5-2) Input 20 KHz, 1.2V @ Pins(5-2) Input 20 KHz, 1.2V @ Pins(5-2) Input 20 KHz, 1.2V @ Pins(5-2) Input 20 KHz, 1.2V 3000 Vac, 3mA, 60 Sec 500 Vac, 3mA, 60 Sec R(8-10):11.0 mΩ max. R(10-11):14.0 mΩ max.
Approved
Checked
Prepare
Date
Page
3.0W
3.2 ±0.5
UNIV. INPUT
1.8V
Rev.
09-DEC-2004
09-DEC-2004
09-DEC-2004
09-DEC-2004
1/1
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