LTC3616_15 Datasheet, PDF (8/28 Pages) Linear Technology – 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter

LTC3616
Typical Performance Characteristics V_IN = 3.3V, RT/SYNC = SV_IN unless otherwise noted.
Dynamic Supply Current vs Input
Voltage without AVP Mode
100
FORCED CONTINUOUS MODE
10
PULSE-SKIPPING MODE
1
Burst Mode OPERATION
0.1
Dynamic Supply Current vs
Temperature without AVP Mode
100
FORCED CONTINUOUS MODE
10
1
PULSE-SKIPPING MODE
Burst Mode OPERATION
0.1
V_OUT Short to GND,
Forced Continuous Mode
V_OUT
500mV/DIV
I_L
5A/DIV
0.01
2.25 2.75 3.25 3.75 4.25 4.75 5.25
INPUT VOLTAGE (V)
3616 G28
0.01
–60 –40 –20 0 20 40 60 80 100 120 140 160
TEMPERATURE (°C)
3616 G29
V_OUT = 1.8V
I_OUT = 0A
V_MODE = 1.5V
100µs/DIV
3616 G30
Start-Up from Shutdown with
Prebiased Output
(Forced Continuous Mode)
PGOOD
5V/DIV
V_OUT
500mV/DIV
I_L
5A/DIV
50µs/DIV
PREBIASED V_OUT = 2.2V
V_OUT = 1.2V, I_OUT = 0A
V_MODE = 1.5V
3616 G31
Output Voltage During Sinking
vs Input Voltage (V_OUT = 1.8V,
0.47µH Inductor)
1.88
1.86
1.84
1.82
–3A, 2MHz, 120°C
1.80
–3A, 2MHz, 25°C
1.78
1.76
1.74
2.25
2.75 3.25 4
4.5
INPUT VOLTAGE (V)
5.25
3616 G32
3616fc
8
For more information www.linear.com/LTC3616