LT3512 データシートの表示（PDF） - Linear Technology
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LT3512 Datasheet PDF : 24 Pages
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LT3512
TYPICAL APPLICATION
VIN
36V TO 72V
48V to ±15V Isolated Flyback Converter
2:1:1 D1
C1
R1
1μF
1M
VIN
EN/UVLO
R2
43.2k
Z1
T1
200μH
R3
D3
237k
RFB
LT3512 RREF
R4
10k
50μH
D2
50μH
VOUT1+
15V
100mA
C4
10μF
VOUT1–
VOUT2+
100mA
C5
10μF
TC
VC
GND
R5
R6
287k 8.66k
C2
6.8nF
SW
BIAS
C3
4.7μF
3512 TA11
C1: TAIYO YUDEN HMK316B7105KL-T
VOUT2–
–15V
C3: TAIYO YUDEN EMK212B7475KG
C4, C5: TAIYO YUDEN TMK316AB7106KL-T
D1, D2: DIODES INC. SBR0560S1
D3: DIODES INC. DFLS1100
T1: WÜRTH 750311839
Z1: ON SEMI MMSZ5266BT16
RELATED PARTS
PART NUMBER
LT3511
LT3748
LT3958
LT3957
LT3956
LT3575
LT3573
LT3574
LT3757
LT3758
LTC1871/LTC1871-1/
LTC1871-7
DESCRIPTION
Monolithic High Voltage Isolated Flyback Converter
100V Isolated Flyback Controller
High Input Voltage Boost, Flyback, SEPIC and
Inverting Converter
Boost, Flyback, SEPIC and Inverting Converter
Constant-Current, Constant-Voltage Boost, Buck,
Buck-Boost, SEPIC or Flyback Converter
Isolated Flyback Switching Regulator with 60V/2.5A
Integrated Switch
Isolated Flyback Switching Regulator with 60V/1.25A
Integrated Switch
Isolated Flyback Switching Regulator with 60V/0.65A
Integrated Switch
Boost, Flyback, SEPIC and Inverting Controller
Boost, Flyback, SEPIC and Inverting Controller
No RSENSE™ Low Quiescent Current Flyback, Boost
and SEPIC Controller
COMMENTS
4.5V ≤ VIN ≤ 100V, 240mA/150V Onboard Power Switch, MSOP-16 with
High Voltage Spacing
5V ≤ VIN ≤ 100V, No Opto-Isolator or “Third Winding” Required, Onboard
Gate Driver, MSOP-16 with High Voltage Pin Spacing
5V ≤ VIN ≤ 80V, 3.3A/84V Onboard Power Switch, 5mm × 6mm QFN-36
with High Voltage Pin Spacing
3V ≤ VIN ≤ 40V, 5A/40V Onboard Power Switch, 5mm × 6mm QFN-36 with
High Voltage Pin Spacing
4.5V ≤ VIN ≤ 80V, 3.3A/84V Onboard Power Switch, True PWM Dimming,
5mm × 6mm QFN-36 with High Voltage Pin Spacing
3V ≤ VIN ≤ 40V, No Opto-Isolator or “Third Winding” Required,
Up to 14W, TSSOP-16E
3V ≤ VIN ≤ 40V, No Opto-Isolator or “Third Winding” Required, Up to 7W,
MSOP-16E
3V ≤ VIN ≤ 40V, No Opto-Isolator or “Third Winding” Required, Up to 3W,
MSOP-16
2.9V ≤ VIN ≤ 40V, 100kHz to 1MHz Programmable Operating Frequency,
3mm × 3mm DFN-10 and MSOP-10E Package
5.5V ≤ VIN ≤ 100V, 100kHz to 1MHz Programmable Operating Frequency,
3mm × 3mm DFN-10 and MSOP-10E Package
2.5V ≤ VIN ≤ 36V, Burst Mode® Operation at Light Loads, MSOP-10
24 LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3512f
LT 0211 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2011
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