Datasheet

LT3500
9
3500fc
BLOCK DIAGRAM
Figure 1. LT3500 Block Diagram
–
+
–
+ +
–
+ +
–
+ –
–
+
INTERNAL
REGULATOR
AND REFERENCES
OSCILLATOR
AND AGC
POWER ON RESET
THERMAL
OVERLOAD
S
Q
R
PRE
S
Q
R
2µA
2.75µA
2.5µA
C1
0.76V
–
+
100mV
R5
R6
V
IN
GND SHDN R
T
/SYNC
V
C
SS
DRIVER
CIRCUITRY
SLOPE
COMPENSATION
0.8V
SS
115mV
LDRV
R3
R1
R2
R4
C5
D2
D1
V
OUT2
V
OUT1
3500 BD
LFB
SW
FB
PG PG
0.8V
100mV
0.7V
LFB
SS
C6
L1
C2
C4C3
C7
+
+