Datasheet

LT3512
26
3512fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2011
LT 1111 REV B • PRINTED IN USA
relaTeD parTs
Typical applicaTion
3512 TA11
R5
287k
V
IN
36V TO 72V
V
OUT1
+
15V
100mA
V
OUT1
–
2:1:1
D1
R1
1M
R2
43.2k
C1
1
µF
C4
10
µF
T1
200
µH
50
µH
R4
10k
R3
237k
R6
8.66k
C2
6.8nF
C3
4.7µF
D3
V
OUT2
+
100mA
V
OUT2
–
–15V
D2
C5
10
µF
50µH
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, C5: TAIYO YUDEN TMK316AB7106KL-T
D1, D2: DIODES INC. SBR0560S1
D3: DIODES INC. DFLS1200
T1: WÜRTH 750311839
Z1: ON SEMI MMSZ5266BT16
48V to ±15V Isolated Flyback Converter
PART NUMBER DESCRIPTION COMMENTS
LT3511 Monolithic High Voltage Isolated Flyback Converter 4.5V ≤ V
IN
≤ 100V, 240mA/150V Onboard Power Switch, MSOP-16 with
High Voltage Spacing
LT3748 100V Isolated Flyback Controller 5V ≤ V
IN
≤ 100V, No Opto-Isolator or “Third Winding” Required, Onboard
Gate Driver, MSOP-16 with High Voltage Pin Spacing
LT3958 High Input Voltage Boost, Flyback, SEPIC and
Inverting Converter
5V ≤ V
IN
≤ 80V, 3.3A/84V Onboard Power Switch, 5mm × 6mm QFN-36
with High Voltage Pin Spacing
LT3957 Boost, Flyback, SEPIC and Inverting Converter
3V ≤ V
IN
≤ 40V, 5A/40V Onboard Power Switch, 5mm × 6mm QFN-36 with
High Voltage Pin Spacing
LT3956 Constant-Current, Constant-Voltage Boost, Buck,
Buck-Boost, SEPIC or Flyback Converter
4.5V ≤ V
IN
≤ 80V, 3.3A/84V Onboard Power Switch, True PWM Dimming,
5mm × 6mm QFN-36 with High Voltage Pin Spacing
LT3575 Isolated Flyback Switching Regulator with 60V/2.5A
Integrated Switch
3V ≤ V
IN
≤ 40V, No Opto-Isolator or “Third Winding” Required,
Up to 14W, TSSOP-16E
LT3573 Isolated Flyback Switching Regulator with 60V/1.25A
Integrated Switch
3V ≤ V
IN
≤ 40V, No Opto-Isolator or “Third Winding” Required, Up to 7W,
MSOP-16E
LT3574 Isolated Flyback Switching Regulator with 60V/0.65A
Integrated Switch
3V ≤ V
IN
≤ 40V, No Opto-Isolator or “Third Winding” Required, Up to 3W,
MSOP-16
LT3757 Boost, Flyback, SEPIC and Inverting Controller 2.9V ≤ V
IN
≤ 40V, 100kHz to 1MHz Programmable Operating Frequency,
3mm × 3mm DFN-10 and MSOP-10E Package
LT3758 Boost, Flyback, SEPIC and Inverting Controller 5.5V ≤ V
IN
≤ 100V, 100kHz to 1MHz Programmable Operating Frequency,
3mm × 3mm DFN-10 and MSOP-10E Package
LTC1871/LTC1871-1/
LTC1871-7
No R
SENSE
™ Low Quiescent Current Flyback, Boost
and SEPIC Controller
2.5V ≤ V
IN
≤ 36V, Burst Mode
®
Operation at Light Loads, MSOP-10