LT3757 LINER [Linear Technology], LT3757 Datasheet - Page 30

• Manufacturer Part Number: LT3757
• Description: Boost, Flyback, SEPIC and Inverting Controller
• Manufacturer: LINER [Linear Technology]

LT3757
Typical applicaTions
0
100V/DIV
V
OUT
5V TO 12V
V
IN
C
C
D1: VISHAY SILICONIX GSD2004S DUAL DIODE CONNECTED IN SERIES
M1: VISHAY SILICONIX Si7850DP
T1: TDK DCT15EFD-U44S003
Start-Up Waveforms
IN
OUT
140k
100kHz
: MURATA GRM32DR61C106K
: TDK C3225X7R2J683K
C
150µF
6.3V
IN
2
2ms/DIV
0.1µF
DANGER! HIGH VOLTAGE OPERATION BY HIGH VOLTAGE TRAINED PERSONNEL ONLY
105k
46.4k
100pF
3757 TA04b
SHDN/UVLO
SYNC
RT
SS
VC
6.8k
22nF
High Voltage Flyback Power Supply
LT3757
GND
INTV
SENSE
GATE
FBX
V
CC
IN
10nF
C
47µF
25V
X5R
VCC
22
20V/DIV
5V/DIV
V
(AC)
V
OUT
SW
22
0.02
220pF
V
SW
•
1:10
M1
T1
Switching Waveforms
•
D1
5µs/DIV
1.50M
1%
1M
1%
1M
1%
16.2k
1%
3757 TA04a
3757 TA04c
C
68nF
V
350V
10mA
2
OUT
OUT
3757fb