Delta Electronics ER-ER 22, EQ-EQ 25 User Manual
Planar DC/DC Transformer
ER/ER(Plate) 22
Core Size (LxHxW) :27.5x13x23
Unit : mm
Power Capacity 50 to 150 W
Frequency Range :100K~300KHz
Features
This planar x'fmr is suitable for forward DC/DC converter with resonance reset.
Mechanical Dimension :
Unit :mm
27.5 Max.
5.08 0.254
11.3 0.5
5.08 0.254
1.2
7.8 Max.
23.0 Max.
19.5 Max.
12
¡Ó
1
910 7
63 4
12.7 0.254
3.5 0.3
12.7 0.254
15.6 Max.
22.6 0.254
0.6
2. SCHEMATIC :
1
3
PRI
4
6
1.2
0.6
12
10
SEC
9
7
Electrical Characteristics:
TRANSFORMER
PART NO.
INDUCTANCE OPERATING AMBIENT
L (1-3) L (4-6) (1-3) : (4-6) : (10-12) : (7-9) PRI TO SEC SEC TO CORE
PLT2215-001 9.0uH Min. 144.0uH Min. 250KHz 2 : 8 : 2 : 2 2000Vdc 2000Vdc +10 C to +70 C 13.5gr
TURN DIELECTRIC
FREQUENCY TEMPERATUR
RATIO STRENGTH
WEIGHT
oo
EQ/EQ(Plate) 25
30.5 Max.
Unit : mm
18.5 Max.
5.29 0.5
25.6 Max.
15.87 0.5
5.29 0.5
2.65 0.5
4
1
3
2
5
86 7
15.87 0.5
OPERATING
FREQUENCY
350KHz
11.75 0.5
0.2 0.1
12.7 0.5
25.4 0.5
TRANSFORMER
(2-3) : (1-4) : (7-8) : (5-6)
5 : 2 : 6 : 6
1.6
12.7
TURN
RATIO
1.0
ø2 2.79
1.0
2.0
20.32
2.12
4
1
4.23
10.16
2.79
5
12.7
8
4.23
DIELECTRIC
STRENGTH
PRI TO SEC
2250Vdc
Core Size (LxHxW) :30.5x13x26
Features
This planar x'fmr is suitable for forward converter's transformer and for use on Linear Technology's LT1950.
Mechanical Dimension:
Unit: mm
Electrical Characteristics:
PART NO.
PLT2518-001
INDUCTANCE
L(2-3)
97.0uH Min
Power Capacity 50 to 360 W
Frequency Range :100K~500KHz
2. SCHEMATIC :
2
3
PRI
1
4
TEMPERATURE
+10 C to +70 C
8
7
SEC
6
5
AMBIENT
oo
WEIGHT
23.5gr
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
79
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