LT3758 LINER [Linear Technology], LT3758 Datasheet - Page 30

• Manufacturer Part Number: LT3758
• Description: High Input Voltage, Boost, Flyback, SEPIC and Inverting Controller
• Manufacturer: LINER [Linear Technology]

LT3758
TYPICAL APPLICATIONS
30
20V/DIV
V
V
OUT1
OUT2
,
9V TO 16V
V
IN
= 12V
V
IN
Start-Up Waveforms
C
C
C
D1: VISHAY SILICONIX ES1D
IN
OUT1
OUT2
10ms/DIV
63.4k
200kHz
: MURATA GRM32ER61E226KE15L
C
22μF
25V
IN
: MURATA GRM31CR72A105K01L
: MURATA GRM32ER72A225KA35L
178k
32.4k
VFD (Vacuum Fluorescent Display) Flyback Power Supply
0.47μF
47pF
V
V
3758 TA04b
OUT1
OUT2
SHDN/UVLO
SYNC
RT
SS
VC
10k
10nF
LT3758
V
IN
GND INTV
SENSE
GATE
D2: VISHAY SILICONIX ES1C
M1: VISHAY SILICONIX SI4848DY
T1: COILTRONICS VP1-0102
(*PRIMARY = 3 WINDINGS IN PARALLEL)
FBX
CC
C
4.7μF
10V
X5R
VCC
0.019Ω
M1
1, 2, 3
0.5W
SW
T1
50V/DIV
1V/DIV
1V/DIV
V
V
OUT1
OUT2
(AC)
(AC)
V
SW
4
5
6
V
IN
D2
D1
= 12V
Switching Waveforms
95.3k
1.62k
3758 TA04a
2μs/DIV
C
2.2μF
100V
X7R
C
1μF
100V
X7R
OUT2
OUT1
V
96V
80mA
V
64V
40mA
3758 TA04c
OUT
OUT2
3758f