 English |
|
|
|
|
|
|
|
| LTC3616 Datasheet, PDF (6/28 Pages) Linear Technology – 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter | |||
| |||
| ◁ |
LTC3616
TYPICAL PERFORMANCE CHARACTERISTICS VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted.
Load Step Transient in Forced
Continuous Mode without AVP Mode
Load Step Transient in Forced
Continuous Mode with AVP Mode
Load Step Transient in Forced
Continuous Mode Sourcing and
Sinking Current
VOUT
200mV/DIV
VOUT
200mV/DIV
VOUT
200mV/DIV
ILOAD
5A/DIV
ILOAD
5A/DIV
ILOAD
5A/DIV
100μs/DIV
VOUT = 1.8V
ILOAD = 100mA TO 6A, VMODE = 1.5V
COMPENSATION FIGURE 1
3616 G13
Sinking Current
100μs/DIV
VOUT = 1.8V
ILOAD = 100mA TO 6A, VMODE = 1.5V
3616 G14
Internal Start-Up in Forced
Continuous Mode
100μs/DIV
VOUT = 1.8V
ILOAD = â3A TO 6A, VMODE = 1.5V
COMPENSATION FIGURE 1
Tracking Up/Down in
Forced Continuous Mode,
Non DDR Mode
VOUT
100mV/DIV
RUN
10V/DIV
PGOOD
10V/DIV
VOUT
1V/DIV
SW
2V/DIV
VOUT
500mV/DIV
VTRACK/SS
500mV/DIV
3616 G15
IL
2A/DIV
1μs/DIV
VOUT = 1.8V
IOUT = â3A, VMODE = 1.5V
3616 G16
Tracking Up/Down in Forced
Continuous Mode, DDR Pin Tied
to SVIN
VOUT
500mV/DIV
VTRACK/SS
200mV/DIV
PGOOD
2V/DIV
2ms/DIV
VOUT = 0V TO 1.2V
IOUT = 3A, VTRACK/SS = 0V TO 0.4V
VMODE = 1.5V, VSRLIM/DDR = 3.3V
3616 G19
6
IL
2A/DIV
PGOOD
2V/DIV
500μs/DIV
VOUT = 1.8V
IOUT = 0A, VMODE = 1.5V
Reference Voltage
vs Temperature
0.606
0.604
0.602
0.600
0.598
0.596
3616 G17
2ms/DIV
VOUT = 0V TO 1.8V
IOUT = 3A, VTRACK/SS = 0V TO 0.7V
VMODE = 1.5V, VDDR = 0V
Switch On-Resistance
vs Input Voltage
0.05
3616 G18
0.04
MAIN SWITCH
0.03
SYNCHRONOUS SWITCH
0.02
0.01
0.594
â50 â30 â10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3612 G20
0
2.5
3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
5.0 5.5
3616 G21
3616f
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese