Datasheet

LT3512
23
3512fb
Typical applicaTions
3512 TA09
R5
1M
V
IN
36V TO 72V
V
OUT
+
3.3V
0.7A
V
OUT
–
6:1
D1
R1
1M
R2
43.2k
C1
1
µF
C4
47
µF
×2
T1
200
µH
5.5
µH
R4
5.11k
R3
1M
R6
9.53k
C2
4.7nF
C3
4.7µF
D2
V
OUT
8.66k
EN/UVLO
T
C
VC GND BIAS
LT3512
V
IN
SW
R
FB
R
REF
Z1
C1: TAIYO YUDEN HMK316B7105KL-T
C3: TAIYO YUDEN EMK212B7475KG
C4: TAIYO YUDEN LMK325B7476MM-TR ×2
D1: DIODES INC. SBR3U30P1
D2: DIODES INC. DFLS1200
T1: WÜRTH 750311573
Z1: ON SEMI MMSZ5266BT1G
48V to 3.3V Non-Isolated Flyback Converter
3512 TA10
R5
75k
V
IN
36V TO 72V
V
OUT
+
12V
0.2A
V
OUT
–
2:1
D1
R1
1M
R2
43.2k
C1
1
µF
C4
10
µF
T1
200
µH
50
µH
R4
10k
R3
191k
R6
5.23k
C2
4.7nF
C3
4.7µF
D2
EN/UVLO
T
C
VC GND BIAS
LT3512
V
IN
SW
R
FB
R
REF
Z1
C1: TAIYO YUDEN HMK316B7105KL-T
C3: TAIYO YUDEN EMK212B7475KG
C4: TAIYO YUDEN TMK316AB7106KL-T
D1: DIODES INC. DFLS160
D2: DIODES INC. DFLS1200
T1: SUMIDA 10396-T023
Z1: ON SEMI MMSZ5266BT1G
48V to 12V Isolated Flyback Converter