PA0491NLT PULSE ELECTRONICS CORPORATION, PA0491NLT Datasheet
PA0491NLT
Manufacturer Part Number
PA0491NLT
Description
XFRMR PLANAR 100W 8:2 140UH SMD
Manufacturer
PULSE ELECTRONICS CORPORATION
Series
Spyglassr
Type
For DC/DC Convertersr
Datasheet
1.PA0491NL.pdf
(2 pages)
Specifications of PA0491NLT
Applications
Forward, Push-Pull Converters
Intended Chipset
LT1952
Voltage - Primary
36 ~ 72V
Voltage - Isolation
1500Vrms
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Footprint
0.92" x 0.79" (23.4mm x 20.1mm)
Height Above Board
0.34" (8.6mm)
Chipset Manufacturer
Linear Technology
Inductance
140µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
8:2
Primary Side Voltage
48V
Primary Configuration
Single
Pin Count
11
Power Rating (w) Or (va)
100
Secondary Side Current
20000mA
Secondary Configuration
Single
Operating Temp Range
-40C to 125C
Product Height (mm)
8.6mm
Product Depth (mm)
23.37mm
Product Length (mm)
20.07mm
Turns Ratio
8:2
High Potential
1500VDC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Lead Free Status / Rohs Status
Compliant
Schematics
HIGH FREQUENCY PLANAR
TRANSFORMERS
Spyglass Series (up to 140W)
*Leakage inductance is measured at primary terminals with all other windings shorted.
www.pulseeng.com
Number
PA0168
PA0369
PA0423
PA0463
PA0491
PA0634
PA0693
Part
USA 858 674 8100
4,5
48v to 12v/11.7A
48v to 3.3v/30A
48v to 3.3v/30A
48v to 3.3v/15A
48v to 5.0v/20A
48v to 5v/20A
48v to 5v/25A
Power
Rating
100W
100W
140W
100W
100W
125W
• •
50W
UK 44 1483 401 700
1
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
(w/4T Pri. Aux.)
(w/9T Pri. Aux.)
(w/5T Pri. Aux.)
(w/4T Pri. Aux.)
Turns Ratio
(Pri:Sec)
• •
France 33 3 84 35 04 04
12:2
10:2
12:3
6:1
8:4
8:2
8:2
Secondary
Primary
1500 Vdc
1500 Vdc
1500 Vdc
1500 Vdc
1500 Vdc
1500 Vdc
1500 Vdc
Isolation
Basic
Basic
Basic
Basic
Basic
Basic
Basic
• •
Singapore 65 6287 8998
2
Power Rating: up to 140W
Height: 8.6mm MAX and 9.7mm MAX
Footprint: 23.4mm x 20.1mm MAX
Frequency Range: 200kHz to 700kHz
Mechanicals
Inductance
(µH MIN)
Primary
320
140
200
140
140
346
65
• •
Shanghai
Inductance*
(µH MAX)
Leakage
0.75
0.25
0.30
1.00
0.25
0.38
0.55
86 21 54643211 / 2
NOTE: The above is a universal footprint for a component
that has all 11 pins populated. For a given part number it
is only necessary to provide pads for the terminations
shown in the schematic below.
Primary
45
15
35
40
35
35
50
• •
China 86 769 85538070
DCR (mΩ MAX)
Primary
Aux.
4885
N/A
N/A
500
N/A
460
300
Weight ..................11.0 grams
Tape & Reel...............180/reel
Tray .............................40/tray
Dimensions: Inches
Unless otherwise specified,
all tolerances are ± .010
Secondary
• •
1.30
0.40
7.00
2.50
1.30
1.30
3.50
Taiwan 886 3 4641811
mm
P576.A (5/06)
0,25
Maximum
Height
(mm)
8.6
8.6
8.6
8.6
8.6
8.6
9.7
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PA0491NLT Summary of contents
Page 1
... Schematics • • • • USA 858 674 8100 UK 44 1483 401 700 France www.pulseeng.com Power Rating 140W Height: 8.6mm MAX and 9.7mm MAX Footprint: 23.4mm x 20.1mm MAX Frequency Range: 200kHz to 700kHz 2 Primary ...
Page 2
... TRANSFORMERS Spyglass Series (up to 140W) Notes from Tables 1. The above transformers have been tested and approved by Pulse's IC partners and are cited in the appropriate datasheet or evaluation board documentation at these companies. To determine which IC and IC companies are matched with the above transformers, please refer to the IC cross reference on the Pulse web page ...