PCMCIA DC/DC Converter
Low Profile SMD Isolation Modules
RoHS
Compliant
Conflict
FREE
Product Features:
The TGM-P3 series of 8 pin transformers pro-
vide the isolation and voltage outputs required
for small, low cost DC/DC converter circuits.
Designed specifically for use with the Maxim™
MAX845 monolithic oscillator/power drivers
with 3.3V or 5V power source.
DIL and SMD packages are also available with
isolation voltages up to 4.5KVrms.
Operating Temp: -40 to +85°C
Part Number
TGM-010P3RL
TGM-020P3RL
TGM-030P3RL
TGM-040P3RL
TGM-050P3RL
Circuit
A
A
A
B
B
Turns Ratio (±3%)
PRI : SEC
1:1:1
1:1:0.75
1:1:1.5
1:1:1.3:1.3
1:1:1:1
Cw/w
(pF Max.)
12
12
12
12
12
PRI LL
(µH Typ.)
0.40
0.40
0.40
0.40
0.40
Isolation
Vrms
500
500
500
500
500
Notes:
1.
PRI Pins: 1-2 & 3-4
2.
PRI DCR: 0.6Ω Max.
3.
PRI OCL: 240µH Typ.
4.
ET Constant: 5.5 V-µs Min.
5.
For more information, pertaining to the MAX845 please contact Maxim at (408) 737-7600. Maxim is a registered trademark of
Maxim Integrated Products.
Schematic A
Schematic B
For additional information contact your
local representative,
or HALO’s support staff at (650) 903-3800 or
info@haloelectronics.com
PCMCIA DC/DC Converter Isolation Modules
Package P3
Recommended
Solder Pad Dimensions
Dimensions: inches [mm]
Co-Planarity: 0.004 [0.10]
US Patent Numbers for SMD Devices
5,656,985
6,297,721 B1
6,297,720 B1
6,320,489 B1
6,344,785 B1
6,662,431 B1
2880 Lakeside Drive #116
Santa Clara, CA 95054
(650) 903-3800
www.haloelectronics.com
HALO
®
Electronics is a leading supplier of high quality communication magnetics
including signal transformers, filters, CMR chokes, PoE power transformers,
DC/DC converters, and integrated Ethernet connectors. HALO’s leading edge
technology solutions are manufactured in ISO9001 and ISO14001 factories
offering high quality products at a competitive price.
© Copyright 2014 HALO Electronics, Inc. All rights reserved.
Revised 6/2014 Download the latest version at
www.haloelectronics.com/pdf/discrete-max845dc2dc-pcmcia.pdf
Maxim™ MAX845 DC/DC Converter Application Note
The TGM series of transformers have been designed specifically for use with the Maxim™ MAX845 monolithic oscillator/power driver
with 3.3V or 5V power source. Multiple output voltages can be achieved depending on the diode circuit and transformer selected. For
more information, pertaining to the MAX845 please contact Maxim at (408) 737-7600. Maxim is a registered trademark of Maxim Inte-
grated Products.
Bridge Rectifier Circuit
Output Voltages
Doubler Circuit
Output Voltages
Full Wave Rectifier Circuit
Output Voltages
2880 Lakeside Drive #116
Santa Clara, CA 95054
(650) 903-3800
www.haloelectronics.com
HALO
®
Electronics is a leading supplier of high quality communication magnetics
including signal transformers, filters, CMR chokes, PoE power transformers,
DC/DC converters, and integrated Ethernet connectors. HALO’s leading edge
technology solutions are manufactured in ISO9001 and ISO14001 factories
offering high quality products at a competitive price.
© Copyright 2014 HALO Electronics, Inc. All rights reserved.
Revised 6/2014 Download the latest version at
www.haloelectronics.com/pdf/discrete-max845dc2dc-pcmcia.pdf
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