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P Premier M Magnetics Inc.
"INNOVATORS IN MAGNETICS TECHNOLOGY"
! Designed for use with Leading Controller Chips # Provides DC/DC Conversion & Isolation GENERAL APPLICATION INFORMATION
SWITCH MODE DC/DC POWER CONVERSION TRANSFORMERS
" Design Engineenring Support Available. $ Multiple Configurations.
Premier Magnetics' Switch Mode Output transformers have been designed for use with the most popular currentmode switching regulators such as Linear Technologies LT1X7X & National Semiconductors LM25XX series of High Efficiency Switching Regulators. These output transformers have been optimized to provide maximum power throughput in the smallest packages currently available. This combination of components finds wide use in Distributed Power Systems where a main dc voltage bus is converted for use on or near the circuits being served. These types of switching regulators provide a very simple solution to power conversion designs. The inductor or transformer used are critical to the overall performance of the converter and typically define the overall efficiency, output power and physical size. The following tables of transformers were designed for use in the Flyback Buck-Boost circuit configuration. This conversion topology allows the output voltage to be regulated higher or lower than the input voltage. It can also provide isolated or non-isolated multiple outputs. Typical efficiency of this topology is 75%. Below is a typical application circuit utilizing Linear Technologies LT1X7X switching regulator in the flyback buckboost configuration. The use of Premiers VTP-01XXX or VTK-01XXX optional output filter choke will drastically reduce output ripple and noise. The component values listed are intended for reference purposes only. The Output Filter(s), Damper Network & Foldback Current Limiting Network are optional depending on the specific application.
General Component Values:
R3 = 1.0K 1/8W D1 = MBRXXX, Schottky Rectifier C3 = 2.2uF Film D2 = MBRXXX, Schottky Rectifier R4 = 1.5K 1W Snubber D3 = MBRXXX, Schottky Rectifier C4 = .47uF Film C1 = Electrolytic R5 = 2.0K 1W C7 = Electrolytic C5 = 0.1uF Ceramic R6 = 1% Metal Film as needed. L1 = 10uHy @ Rated DC amps (VTP-XXXX) C6 = 1000uF Electrolytic L2 = 10uHy @ Rated DC amps (VTP-XXXX) C8 = 1000uF Electrolytic Np:Ns2 R1 = 1% Metal Film, For 5Vdc = 3.0K, For 9Vdc = 9.09K R1 = [Vout-Vref/Vref] * R2, where Vref = 1.244 for LT1X7X series R2 = 1% Metal Film, For 5Vdc = 1.0K, For 9Vdc = 1.5K C2 = Input Bypass Capacitor 100uF Electrolytic
SCHEMATIC
D3
OUTPUT FILTER
L2 C7 + C8 +
+Vout2
Isolated Output
FLYBACK Buck-Boost CONVERTER USING LT1X7X
RC Snubber Damper D1
OUTPUT FILTER
-Vout2
+Vin
R4 C4 R5 C5
T1
C1 +
L1 C6 +
+Vout1
D2 Vin
Linear Technology LT-1X70 = 5A LT-1X71 = 2.5A LT-1X72 = 1.25A LT-107X = 40KHz LT-117X = 100KHz
R1
Vsw
Np:Ns1
R6 Foldback Current Limiting
pmsm 6/97
C2
** E1 E2 GND
FB
Vc Frequency Compensation
R3 C3
1N914
+
R2
Specifications subject to change without notice.
20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 * TEL: (949) 452-0511 * FAX: (949) 452-0512 * http://www.premiermag.com
1
P Premier M Magnetics Inc.
"INNOVATORS IN MAGNETICS TECHNOLOGY"
SWITCH MODE DC/DC POWER CONVERSION TRANSFORMERS
Temp Rise oC Typ. General Notes PCB Mount Method
GENERAL ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE 0OC TO +70OC
To receive complete specifications & application information, request the respective part number data sheet.
PART NUMBER PM-SM02 PM-SM03 PM-SM04 PM-SM05 PM-SM07 PM-SM09
TSD-546 Output #2
Designed For Use With APPLICATION PRIMARY HI-POT Vin Vout Io_max OCL HY Vdc (Vdc) (Vdc) (mA) Typ. Min.
LT1071 LT1071 LT1071 LT1071 LT1070 LT1070
LT1072
12.0 12.0 24.0 24.0 12.0 12.0
12.0 -----24.0 ----------5.0 -----18-50 5.5-30 -----12.0 12.0 ----------12.0 ----------9-33
5.0 9.0 5.0 5.0 5.0 5.0
5.0 9.0 5.0 5.0 6.0 5.0 +15.0 15.0 3.3 15.0 15.0 5.0 13.0 15.0 5.0 13.0 15.0 5.0 5.0 +15.0
1000 1000 2000 2000 2000 4000
220 160 100 200 32 60 +100 700 3100 220 2000 500 150 60 100 40 200 200 250 +25
140 110 200 200 50 135
250 ----1000 --------48 ----80 10 ----210 100 --------100 --------1000 1000 -----
550 550 550 550 550 250
550 550 500 500 ----750 750 N/A 500 500 550 550 --------100 --------1000 500 500
20 35 40 40 40 50
15 ----15 --------15 ----15 10 ----30 15 --------15 --------10 10 -----
Feed Back Output Feed Back Output Feed Back Output Feed Back Output Feed Back Output Feed Back Output Feed Back Output Isolated Output Isolated Output #1 Isolated Output #2 Tap Output off #2 Isolated Output, Opto F.B. Isolated + Linear Reg. Positive Buck Positive Buck Auxiliary Output Isolated Output Feed Back Output Tap Output Tap Output Feed Back Output Tap Output Tap Output Isolated Output Isolated Output Isolated Output
THRU THRU THRU THRU THRU THRU THRU THRU
TSD-578 LT1072 Output #2 Output #3 = Tap off #2 TSD-648 LT1171 Outputs #2 & #3: +15.0 TSD-649 LT1076HV
SMD SMD SMD THRU SMD
TSD-652 MAX783 Output #2 = Auxiliary TSD-723 LT1070
TSD-725 LT1172 13V TAP Output 15V TAP Output TSD-726 LT1172 Output #2, 13V TAP Output #3, 15V TAP TSD-727 LT1172
SMD
THRU SMD
TSD-730 LT1172 18-30 Output #2 & #3: +15V -----(TSD-933 = THRU VERSION) TSD-643 40KHz Full Wave C.T. Full Brige Dual Full Brige TSD-644 40KHz Full Wave C.T. Full Brige Dual Full Brige TSD-645 40KHz Full Wave C.T. Full Brige Dual Full Brige TSD-742 1.0KHz DC to AC
DISCRETE SELF OSCILLATING PUSH-PULL CONVERTERS, DUAL SECONDARIES 12.0 ----------12.0 ----------52.0 ----------24 48 + 24 100 200 +100 100 200 +100 420 210 + 210 50 25 + 25 100 50 + 50 8 rms 2300 3750 3750 3750 3750 3750 3750 3750 3750 3750 500 25 Isolated Output Isolated Output Isolated Output Isolated Output Isolated Output Isolated Output Isolated Output Isolated Output Isolated Output Isolated rms Output THRU
2300
25
THRU
6800
25
THRU
1.5-3.5 85rms
31mH
10
SMD
pmsm 6/97
Specifications subject to change without notice.
20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 * TEL: (949) 452-0511 * FAX: (949) 452-0512 * http://www.premiermag.com
2
P Premier M Magnetics Inc.
"INNOVATORS IN MAGNETICS TECHNOLOGY"
SWITCH MODE DC/DC POWER CONVERSION TRANSFORMERS
Temp Rise oC Typ. General Notes PCB Mount Method
GENERAL ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE 0OC TO +70OC
To receive complete specifications & application information, request the respective part number data sheet.
PART NUMBER
TSD-750 Output #2
Designed For Use With APPLICATION PRIMARY HI-POT Vin Vout Io_max OCL HY Vdc (Vdc) (Vdc) (mA) Min. Typ.
LT1172
10-30 -----9-32 ----------7-16 ----------130-260 -----12.0 -----------
24.0 24.0 32.0 20.0 8.0 5.0 -5.0 + 48.0 +5.0 -5.0 +9.0 +20.0 +30.0
50 50 100 100 20 500 20 +50 +1000 -10 +250 +80 +10 -50 +50 +450 +200 -100 -40 -75 -150 -20 -200 +100 -200 1250 1250 +250 120 2500 1000 1200 250 +25 125 125 200 +50 200 80 80
610 ----410 --------55 --------324 ----150 --------45 ----292 --------200 --------324 ----324 ----68 ----150 63.0 160 ----100.0 1000 ----1300 ----100 ----110 ---------
500 500 500 500 500 500 500 500 1500 -----300 ----------500 -----1500 ----------1500 ----------1500 ----1500 -----1500 -----1500 1000 1000 -----1500 500 500 1500 1500 ----500 ----250 250
10 ----25 --------25 --------15 ----15 --------20 ----15 --------15 --------15 ----15 ----30 ----15 20 15 ----10 10 ----10 ----10 ----10 ---------
Isolated Output Isolated Output Isolated Output Isolated Output Isolated Output Feed back Output Second Output Isolated Outputs +48V Isolated Output, Opto F.B. Isolated Output Isolated Output, Opto F.B. Isolated Output Isolated Output Isolated Output, Opto F.B. Isolated Output Isolated Output, Opto F.B. Tap Output Isolated Output Isolated Output, Opto F.B. Isolated Output Tap Output Isolated Output, Opto F.B. Tap Output Isolated Output, Opto F.B. Isolated Output Isolated Output, Opto F.B. Isolated Output Isolated Output, Opto F.B. Direct Feedback Isolated Output, Opto F.B. Iso. Linear Reg Output Isolated Output, Opto F.B. Isolated Output Isolated Output Isolated Output Isolated Output Direct Feedback Output Isolated Output Direct Feedback Output Isolated Output #1 Isolated Output #2
SMD THRU
TSD-769 LT1071 Output #2 Output #3 = Auxiliary TSD-826 LT1171 Output #2 Outputs #3 & #4: +48V TSD-834 Output #2 UC2843
SMD
THRU SMD
TSD-839 LT1171 Output #2 & #3: +20Vdc Output #4 & #5: +30Vdc TSD-841 Output #2 LT1070
5-30V -180.0 -----+60.0 100-280 ----------100-280 ----------120-260 -----130-260 -----24.0 -----24.0 15-21 24.0 -----10-30 18-30 -----12-40 -----8-40 -----8-40 ----------+5.0 +3.3 -5.5 -48.0 -65.0 -24.0 -48.0 -28.0 +12.0 -160.0 5.0 12.0 +12.0 175.0 5.0 15.0 5.0 5.0 +15.0 12.0 12.0 5.0 +10.0 5.0 12.0 20.0
THRU SMD
TSD-849 UC2843 3.3V TAP Output Output #2 TSD-850 UC2843 Output #2 -24V TAP Output off #2 TSD-851 UC2843 -28V TAP Output TSD-852 Output #2 TSD-878 Output #2 TSD-879 TSD-887 TSD-906 Output #2 TSD-913 UC2843 LT1170 LT1170 LT1170 LM2588T WITH REG'S LT1171
SMD
THRU THRU THRU SMD THRU THRU THRU THRU THRU SMD SMD
TSD-933 LT1172 Output #2 & #3 TSD-980 Output #2 LT1082
TSD-989 LT1172 Output #2 & #3 TSD-1040 Output #1 Output #2 LT1172
Specifications subject to change without notice.
pmsm 6/97
20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 * TEL: (949) 452-0511 * FAX: (949) 452-0512 * http://www.premiermag.com
3
P Premier M Magnetics Inc.
"INNOVATORS IN MAGNETICS TECHNOLOGY"
SWITCH MODE DC/DC POWER CONVERSION TRANSFORMERS
Temp Rise oC Typ. General Notes PCB Mount Method
GENERAL ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE 0OC TO +70OC
To receive complete specifications & application information, request the respective part number data sheet.
PART NUMBER
TSD-1145
Designed For Use With APPLICATION PRIMARY HI-POT Vin Vout Io_max OCL HY Vdc (Vdc) (Vdc) (mA) Min. Typ.
LM2585-5.0 6-18
5.0
600
64.0
250
15
Direct Feedback
SMD
Specifications subject to change without notice.
pmsm 6/97
20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 * TEL: (949) 452-0511 * FAX: (949) 452-0512 * http://www.premiermag.com
4

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