Datasheet

LT3751
13
3751fc
operaTion
Figure 5. Modes of Operation (Steady State)
Figure 6. Regulation Technique
3751 F05
26kHz
ONE-SHOT
CLK
26kHz
ONE-SHOT
CLK
26kHz
ONE-SHOT
CLK
26kHz
ONE-SHOT
CLK
SWITCH
ENABLE
I
PRI
SWITCH
ENABLE
I
PRI
110%
V
OUT, NOM
105%
V
OUT, NOM
V
OUT
1/10TH I
PK
I
PRI
MAXIMUM
PEAK CURRENT
NO BLANKING
PEAK CURRENT
CONTROL
FORCED
BLANKING
t
PER
≈ 38µs
CHARGE MODE
HEAVY LOAD OPERATION
NO-LOAD OPERATION
...
...
...
...
...
...
t
t
t
SWITCH
ENABLE
I
PRI
t
PER
≈ 38µs
DUTY CYCLE
CONTROL
DUTY CYCLE
CONTROL
FORCED
BLANKING
LIGHT LOAD OPERATION
...
...
...
...
...
...
t
3751 F06
LIGHT LOAD
CHARGE
MODE
MODERATE
LOAD
HEAVY LOAD
I
LIM
( ) DUTY CYCLE ( )
I
MAX
1/10
I
MAX
95%
10%
LOAD
CURRENT
NO-LOAD
OPERATION
0