Datasheet

LT3580
22
3580fg
TYPICAL APPLICATIONS
High Voltage Negative Power Supply Uses Tiny 5.8mm × 5.8mm × 3mm Transformer and Switches at 200kHz
Danger High Voltage! Operation by High Voltage Trained Personnel Only
C2
68nF
FOR ANY V
OUT
BETWEEN –50V TO
–350V, CHOOSE R
FB
ACCORDING TO
FOR 5V INPUT, KEEP MAXIMUM
OUTPUT POWER AT 1.58W
FOR 3.3V INPUT, KEEP MAXIMUM
OUTPUT POWER AT 0.88W
*MAY REQUIRE MULTIPLE SERIES
RESISTORS TO COMPLY WITH
MAXIMUM VOLTAGE RATINGS
V
OUT
–350V
4.5mA (V
IN
= 5V)
2.5mA (V
IN
= 3.3V)
T1
1:10.4
D1
R
FB
4.22M*
V
IN
3.3V TO 5V
V
IN
SW
3580 TA06
LT3580
464k
10k
SHDN
GND
7, 8
5, 6
1
4
FB
VC
SYNC SS
RT
10nF
100pF
0.47μF
C1
2.2μF
C1: 2.2μF, 25V, X5R, 1206
C2: TDK C3225X7R2J683M
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
D2: ON SEMICONDUCTOR MBR0540
T1: TDK LDT565630T-041
•
•
V
OUT
83.3μA
R
FB
=
4.7μH
D2
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.