LTC3616 LINER [Linear Technology], LTC3616 Datasheet - Page 7

• Manufacturer Part Number: LTC3616
• Description: 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
0.045
0.040
0.035
0.030
0.025
0.020
0.015
0.010
0.005
–0.5
–1.5
–2.5
–1.0
–2.0
0.01
100
1.0
0.5
0.1
10
0
0
1
2.25
–50
2.25
Switch On-Resistance
vs Temperature
Frequency vs Input Voltage
Dynamic Supply Current vs Input
Voltage without AVP Mode
–30
2.75
2.75
–10
MAIN SWITCH
SYNCHRONOUS SWITCH
FORCED CONTINUOUS MODE
3.25
PULSE-SKIPPING MODE
3.25
Burst Mode OPERATION
TEMPERATURE (°C)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
10
30
3.75
3.75
50
4.25
4.25
70
4.75
4.75
90
110
3616 G22
5.25
3616 G25
3616 G28
5.25
130
3000
2500
2000
1000
4500
4000
3500
1500
7000
6000
5000
4000
3000
2000
1000
8000
0.01
500
100
0.1
10
0
0
1
–50
–50
0
Frequency vs Resistor on
RT/SYNC Pin
Switch Leakage vs Temperature,
Main Switch
Dynamic Supply Current vs
Temperature without AVP Mode
–30
–30
200
RESISTOR ON RT/SYNC PIN (kΩ)
V
V
V
–10
FORCED CONTINUOUS MODE
–10 10
IN
IN
IN
PULSE-SKIPPING MODE
400
= 2.25V
= 3.3V
= 5.5V
Burst Mode OPERATION
TEMPERATURE (°C)
TEMPERATURE (°C)
10
600
30
30
50
800
50
70
70
1000 1200
90
90
V
110
110 130
3616 G23
3616 G26
3616 G29
IN
1400
= 3.3V, RT/SYNC = SV
130
500mV/DIV
5A/DIV
7000
6000
5000
4000
3000
2000
1000
8000
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
V
0.8
0.6
0.4
0.2
OUT
0
0
I
–50
L
–50
Frequency vs Temperature
Switch Leakage vs Temperature,
Synchronous Switch
V
Forced Continuous Mode
V
I
V
OUT
OUT
OUT
MODE
–30
–30
= 0A
= 1.8V
Short to GND,
V
V
V
= 1.5V
–10
–10
IN
IN
IN
IN
= 2.25V
= 3.3V
= 5.5V
TEMPERATURE (°C)
TEMPERATURE (°C)
10
10
unless otherwise noted.
100μs/DIV
30
30
LTC3616
50
50
70
70
90 100
90
110
3616 G24
3616 G27
3616 G30
7
3616f
130
130