Reference Designs & Demo Boards — Champs Technologies

LT8230 based MB Flyback

10–30 V_in · Main board & modules

Low-profile planar magnetics for the LT8230 main board and modules.

DC1317 (A-H)

9–36 | 18–72 | 32–72 V_in · 5–48 V_out · 100–240 W · Forward active clamp

Forward active-clamp planar transformer for the DC1317A–H demo boards.

G45 series — recommended part numbers

Ref Design	Vin (Min)	Vin (Max)	Vout	Io	Champs PN	Output Inductor
DC1317A-B (5V)	18	72	5	25	G45R2-0502-05
DC1317A-C	18	72	12	8	G45R2-0405-05	PQI2050-10-LTC
DC1317A-D	18	72	24	5	G45R2-0408-04	PQI2050-27-LTC
DC1317A-E	36	72	5	12	G45R2-0702-05
DC1317A-F	9	36	3.3	20	G45R2-0302-07
DC1317A-F (5V)	9	36	5	20	G45R2-0202-05
DC1317A-G	9	36	12	8	G45R2-0306-06	PQI2050-16-LTC
DC1317A-G (15V)	9	36	15	7	G45R2-0205-04	PQI2050-27-LTC
DC1317A-G (18V)	9	36	18	6	G45R2-0207-05	PQI2050-27-LTC
DC1317A-G (19.5V)	9	32	19.5	5	G45R2-0207-05	PQI2050-57-LTC
DC1317A-H	9	36	48	1.5	G45R2-0324-06	PQA2050-220-LTC
DC1317A-H (24V)	9	36	24	3	G45R2-0312-06	PQA2050-100-LTC

G45 series — equivalent part numbers

Ref Design	Vin (Min)	Vin (Max)	Vout	Io	Champs PN	Output Inductor
DC1317A-A	34	75	3.3	30	G45R2-0601-04	PQL2050-0R650-HX
DC1317A-H	9	36	48	1.5	G45R2-0218-04	PQA2050-220-LTC
DC1317A-H (24V)	9	36	24	4	G45R2-0209-05	PQA2050-100-LTC

DC1929A

Off-line · 180–400 V_in · 5–54 V_out · 100–360 W · Forward active clamp

Off-line forward active-clamp planar transformer (150–420 V input range).

DC1929A — recommended part numbers

Champs PN	Vin (Min)	Vin (Max)	Vout	Io
80R2-5AC-3125002-1M2	150	420	5	30.0
80R2-12AC-3124005-1M2	180	400	12	16.7
80R2-15AC-3115006-1M2	180	400	15	12.5
80R2-24AC-3124010CT-1M2	150	400	24	10
80R2-24AC-3206CT-1M2	300	400	24	10
80R2-28AC-3222008	180	400	28	10
80R2-30AC-3208-1M2	300	400	30	8
80R2-24AC-3124010CT-1M2	300	400	57	3.0

DC1994A & DC2050A

9–36 | 18–72 | 32–72 V_in · 5–48 V_out · 100–240 W · Forward active clamp

Planar transformers & inductors for the DC1994A and DC2050A demo boards.

DC1994A

Champs PN	Vin (Min)	Vin (Max)	Vout	Io
G45AH2-0404-04	18	72	12.0	12.0

DC2050A

Champs PN	Vin (Min)	Vin (Max)	Vout	Io
G45r2-0209	36	72	5.0	20.0

DC2199A & 1739B-C

9–36 | 18–72 | 32–72 V_in · 5–48 V_out · 100–360 W · Forward active clamp

Planar transformers & inductors for the DC2199A-A/B and 1739B-C demo boards.

DC2199A-A

Champs PN	Vin (Min)	Vin (Max)	Vout	Io
LTCP26-0402	36	60	12	30.0

DC2199A-B

Champs PN	Vin (Min)	Vin (Max)	Vout	Io
LTCP26-0404-S02	36	60	24	15

1739B-C

Champs PN	Vin (Min)	Vin (Max)	Vout	Io
G45R2-0306	9	36	12	10.0

DC2306A

PoE · 9–300 V_in range groups · 48–54 V_out · P26/QD26 planar transformers & inductors

Planar transformers & output inductors for the DC2306A PoE demo board — eight input-range groups.

Vin 10–54 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
P26R2-0322-18R0	10	54	54	1.5	PQA2050-330-LTC

Vin 9–15 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
80R2-0218-8R0	9	15	54	3.0	PQI26-330-LTC

Vin 20–60 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
80R-0416-S03	20	60	54	3.0	PQI26-330-LTC

Vin 19–29 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
55R2-8804--XX-A11	19	29	48	2.0	PQA2050-220-LTC

Vin 20–72 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
80R2-0614	36	72	54	3.0	PQI26-330-LTC
P26R2-0614	20	60	54	3.0	PQI26-330-LTC

Vin 50–150 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
80R2-0814-S02	50	150	54	3.0	PQI26-330-LTC
P26R2-0814-02-S01	50	150	54	3.0	PQI26-330-LTC

Vin 60–170 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
P26R6-1016-02-S01	60	170	54	3.0	PQI26-330-LTC
D26R6-1226-03	60	170	54	1.4	PQI26-330-LTC

Vin 85–300 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io	Output Inductor
P26R6-1814	85	300	48	3.5	PQI26-220-LTC

PoE Flyback

9–36 | 36–72 V_in · 3.3 / 5 / 12 / 24 V_out · 7–8.5 mm profile · Flyback CCM + BCM

Low-profile (7.0–8.5 mm) planar flyback transformers with synchronous-rectifier friendly interleave.

Vin 9–72 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io(Adc)	Pout (Watts)	Freq. (Khz)	Ipk (Rated)	Ipk (Max)	Mode
1825F1-1602-08-45R	36	72	3.3	10	33	200	3.4	3.4	CCM
20F1-1602-08-45R	18	72	12	10	33	200	3.4	5.5	CCM
1825F1-1202-05-30R	18	72	24	7	33	200	3.4	5.2	CCM
20F1-1202-02-30R	36	72	5	7	33	200	4	6	CCM
1825F1-1305-06-30R	9	36	3.3	3	33	200	4	5.8	CCM
20F1-1305-06-30R	9	36	5	3	36	200	4	6.7	CCM

Vin 9–36 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io(Adc)	Pout (Watts)	Freq. (Khz)	Ipk (Rated)	Ipk (Max)	Mode
1825F1-1602-08-45R	9	36	3.3	7.3	24.0	200	8.0	11.5	CCM
20F1-1602-08-45R	9	36	3.3	7.3	24.0	200	8.0	13.5	CCM
1825F1-1202-05-30R	9	36	5	5.0	25.0	200	8.3	11.5	CCM
20F1-1202-02-30R	9	36	5	5.0	25.0	200	8.3	13.3	CCM
1825F1-1305-06-30R	9	36	12.0	2.0	24.0	200	7.8	10.5	CCM
20F1-1305-06-30R	9	36	12.0	2.0	24.0	200	7.8	12.0	CCM

Vin 36–72 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io(Adc)	Pout (Watts)	Freq. (Khz)	Ipk (Rated)	Ipk (Max)	Mode
1825F1-1602-08-45R	36	72	3.3	9.0	30.0	160-270	4.6	8.0	BCM
20F1-1602-08-45R	36	72	3.3	9.0	30.0	160-270	4.6	9.2	BCM
1825F1-1202-05-30R	36	72	5	6.0	30.0	150-260	4.3	5.6	BCM
20F1-1202-02-30R	36	72	5	6.0	30.0	150-260	4.3	6.5	BCM
1825F1-1305-06-30R	36	72	12.0	3.0	36.0	140-240	5.2	6.8	BCM
20F1-1305-06-30R	36	72	12.0	3.0	36.0	140-240	5.2	7.8	BCM

Vin 9–36 V

Champs PN	Vin (Min)	Vin (Max)	Vout	Io(Adc)	Pout (Watts)	Freq. (Khz)	Ipk (Rated)	Ipk (Max)	Mode
1825F1-1602-08-45R	9	36	3.3	7.3	24.0	90-230	12.5	19.5	BCM
20F1-1602-08-45R	9	36	3.3	7.3	24.0	90-230	12.5	22.5	BCM
1825F1-1202-05-30R	9	36	5.0	5.0	25.0	90-230	12.8	19.5	BCM
20F1-1202-02-30R	9	36	5.0	5.0	25.0	90-230	12.8	22.3	BCM
1825F1-1305-06-30R	9	36	12.0	2.0	24.0	90-230	11.8	17.5	BCM
20F1-1305-06-30R	9	36	12.0	2.0	24.0	90-230	11.8	20.0	BCM

Railway Application

50–160 V_in · 5–80 V_out · 100–360 W · Forward active clamp

Railway-grade forward active-clamp planar transformer (80R2/80R6/P26/QD26 series).

Part numbers (1)

Champs PN	Vin (Min)	Vin (Max)	Vout	Io
80R6-0806-150R	50	160	24	10.0
P26R6-0806-03-150R	50	160	24	10.0
80R6-0803-03-150R	50	160	12	20.0
P26R6-- 0803-03-150	50	150	12	20.0
80R6-1302-250R	50	150	5	40.0
80R6-1402-250R	60	180	5	40.0
80R6 -0814-S02	50	150	54	3.0
P26R6 -0814-S02-S01	50	150	54	3.0
80R6 -1202-300R	60	150	80	3.0