Isolation Power Transformers - Product finder

Isolation Power Transformers
Toroid Platform SMD
Push Pull Converter Transformer
Designed to provide isolated power for RS-485, CAN,
ModBus transceiver and other communication interfaces
5KVrms isolation
Compact and cost effective industrial design
Patent Pending
4
Electrical Specifications @ 25°C - Operating Temperature -40°C to +125°C
Part
Number
Inductance
(1-4)
(µH ±35%)
Leakage Inductance
(1-4) with
(5-8) shorted
(µH MAX)
Capacitance
(1, 4) to (5, 8)
(pF MAX)
DCR (1-4)
(Ω MAX)
DCR (5-8)
(Ω MAX)
MAX (1-4) 2
(V-µsec Max)
Turns Ratio
(1:4) (8:5)
PH9385.011NL
3200
6.0
36
1.10
1.00
109
1CT : 1CT
PH9385.045NL
3200
4.0
36
1.10
1.25
109
4CT : 5CT
PH9385.034NL
2600
3.0
36
1.00
1.50
98
3CT : 4CT
PH9385.012NL
2600
3.0
40
1.00
1.90
98
1CT : 2CT
PH9385.0380NL
2600
3.0
40
1.00
2.20
98
3CT : 8CT
PH9385.013NL
2600
3.0
40
1.00
2.75
98
1CT : 3CT
PH9385.027NL
2600
3.0
40
1.00
3.00
98
2CT : 7CT
PH9385.015NL
1350
3.0
30
0.80
3.20
70
1CT :5CT
Notes:
1. Pins 1-4 (connect 2 & 3), Pins 8-5 (connect 6 & 7)
1. The maximum volt-usec rating limits the peak flux density to 3600 gauss when used in
bi-polar drive application with 200KHz. For unipolar drive applications or a bi-polar drive
with 350kHz, a maximum volt-usec could be 60% of the listed value. For Push-Pull topology, where the voltage is applied across half the primary winding turns, the maximum
volts-use needs to be derated by 50%.
Isolated Voltage
(Vrms)
5000
3. Optional Tape & Reel packing can be ordered by adding a “T” suffix to the part
number (i.e. PH9385.011NL becomes PH9385.011NLT). Pulse complies to industry
standard tape and reel specification EIA481.
4. The “NL” suffix indicates an RoHS-compliant part number.
5. The temperature of the component (ambient plus temperature rise) must be
within the stated operating temperature range.
Mechanical
Schematic
PH9385.0XXNL
6X.148
[3.75]
8
.280±.012
[7.10±0.30]
7
6
5
.600
[15.25]
.005[0.13]
8 SURFACES
.079
[2.00]
7
.650±.016
[16.50±0.40]
6
6X.148±.010
[3.75±0.25]
(.030)
[0.75]
1
2
3
4
.079
[2.00]
PH9385.0xxNL
DATE CODE ORIGIN
PAT. PEND.
.591±.012
[15.00±0.30]
PIN 1 ID
.614±.012
[15.60±0.20]
.006[0.15] MIN
USA 858 674 8100
Germany 49 7032 7806 0
1
Singapore 65 6287 8998
pulseelectronics.com
Shanghai 86 21 62787060
1
8
2
3
7
6
4
5
Weight .............................2.5/grams
Tape & Reel ........................300/reel
Tray ......................................80/tray
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
China 86 755 33966678
Taiwan 886 3 4356768
P766.C (08/15)
Isolation Power Transformers
Toroid Platform SMD
Application
PH9385NL is a series of high isolation power supply transformer drivers. Intended to operate in a fixed
duty cycle Push Pull topology, it is a part of a low cost solution for delivering lower power (up to 2.5W) from a
low voltage source. A typical implementation would be an isolated RS-485 power supply driver circuit, the design
is compatible with the MAXIM™ MAX253 IC. Other IC’s include Texas SN6501 UCC2808, Analog ADuM4070,
ADuM447x.
A schematic diagram for the Push Pull converter topology is given below.
VIN
PH9385
VCC
D1
V OUT
DRIVER
IC
D2
GND
For a fixed 50% duty cycle mode of operation, the output voltage is simply determined by the input voltage and
turns ratio. So, with the available turns ratios, a variety of output voltages can be selected. This range can be
extended by implementing different topologies such as forward or bridge and can be used with controllers offered
by different IC vendors for a number of different applications.
For More Information
Pulse Worldwide
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San Diego, CA
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U.S.A.
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Germany
Pulse China Headquarters
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ogy Bldg.
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10th Kejinan Road
2067 Yan An Road
Singapore 368363
Taoyuan County 320
High-Tech Zone
West
Taiwan R. O. C.
Nanshan District
Shanghai 200336
Tel: 886 3 4356768
Shenzen, PR China
China
Tel: 65 6287 8998
Fax: 886 3 4356823 (Pulse)
Tel: 858 674 8100
Tel: 49 7032 78060
518057
Fax: 65 6287 8998
Fax: 886 3 4356820 (FRE)
Fax: 858 674 8262
Fax: 49 7032 7806 135
Tel: 86 755 33966678
Tel: 86 21 62787060
Fax: 86 755 33966700
Fax: 86 2162786973
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be
trademarks or registered trademarks of their respective owners. © Copyright, 2015. Pulse Electronics, Inc. All rights reserved.
2
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