Datasheet

LT8619/LT8619-5
9
Rev A
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
EN/UV Shut Down
V
OUT
= 2.4V Start-Up Dropout
Performance
V
OUT
= 5V Start-Up Dropout
Performance
EN/UV Start-Up
1s/DIV
V
OUT
1V/DIV
V
IN
1V/DIV
PG
2V/DIV
SW
5V/DIV
8619 G34
V
IN
V
OUT
V
OUT
= 2.4V, 10Ω LOAD
f
SW
= 400kHz, L = 15μH, C
OUT
= 47μF
PG 100k PULL-UP BY INTV
CC
FORCED CONTINUOUS MODE
8619 G35
1s/DIV
V
OUT
1V/DIV
V
IN
1V/DIV
PG
2V/DIV
SW
5V/DIV
V
IN
V
OUT
V
OUT
= 5V, 10Ω LOAD
f
SW
= 700kHz, L = 10μH, C
OUT
= 22μF
PG 100k PULL-UP BY INTV
CC
FORCED CONTINUOUS MODE
8619 G36
100μs/DIV
V
OUT
1V/DIV
EN/UV
2V/DIV
PG
2V/DIV
SW
10V/DIV
V
IN
= 12V, V
OUT
= 3.3V, NO LOAD
f
OSC
= 2MHz, L = 3.3μH, C
OUT
= 22μF
FORCED CONTINUOUS MODE
8619 G37
2μs/DIV
V
OUT
1V/DIV
EN/UV
2V/DIV
PG
2V/DIV
SW
10V/DIV
V
IN
= 12V, V
OUT
= 3.3V, NO LOAD
f
OSC
= 2MHz, L = 3.3μH, C
OUT
= 22μF
FORCED CONTINUOUS MODE
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