Datasheet

LTC3616
8
3616fc
For more information www.linear.com/LTC3616
Start-Up from Shutdown with
Prebiased Output
(Forced Continuous Mode)
Output Voltage During Sinking
vs Input Voltage (V
OUT
= 1.8V,
0.47µH Inductor)
Typical perForMance characTerisTics
V
IN
= 3.3V, RT/SYNC = SV
IN
unless otherwise noted.
V
OUT
500mV/DIV
PGOOD
5V/DIV
I
L
5A/DIV
50µs/DIV
3616 G31
PREBIASED V
OUT
= 2.2V
V
OUT
= 1.2V, I
OUT
= 0A
V
MODE
= 1.5V
INPUT VOLTAGE (V)
V
OUT
(V)
1.86
1.84
1.82
1.80
1.78
1.88
2.25 4
1.74
1.76
3.252.75 4.5 5.25
3616 G32
–3A, 2MHz, 120°C
–3A, 2MHz, 25°C
Dynamic Supply Current vs Input
Voltage without AVP Mode
V
OUT
Short to GND,
Forced Continuous Mode
Dynamic Supply Current vs
Temperature without AVP Mode
INPUT VOLTAGE (V)
0.1
DYNAMIC SUPPLY CURRENT (mA)
1
10
100
2.25 3.25 3.75 4.25 4.75
0.01
2.75
5.25
3616 G28
FORCED CONTINUOUS MODE
PULSE-SKIPPING MODE
Burst Mode OPERATION
TEMPERATURE (°C)
0.1
DYNAMIC SUPPLY CURRENT (mA)
1
10
100
–60 –40 40 80 120 160140
0.01
0 20 60 100–20
3616 G29
FORCED CONTINUOUS MODE
PULSE-SKIPPING MODE
Burst Mode OPERATION
V
OUT
500mV/DIV
I
L
5A/DIV
100µs/DIV
3616 G30
V
OUT
= 1.8V
I
OUT
= 0A
V
MODE
= 1.5V