Datasheet

LTC3612
8
3612fb
For more information www.linear.com/LTC3612
Frequency vs Input Voltage
Switch Leakage vs Temperature,
Main Switch
Switch Leakage vs Temperature,
Synchronous Switch
Frequency vs Resistor on
RT/SYNC Pin
Frequency vs Temperature
Dynamic Supply Current vs Input
Voltage without AVP Mode
RESISTOR ON RT/SYNC PIN (kΩ)
0
0
FREQUENCY (kHz)
500
1500
2000
2500
800
4500
3612 G23
1000
400
200
1000 1200
600 1400
3000
3500
4000
TEMPERATURE (°C)
–60
–1.5
FREQUENCY VARIATION (%)
–1.0
0
0.5
1.0
–30
10
30 150
3612 G24
–0.5
–50 –10
50
70
110
130
90
INPUT VOLTAGE (V)
2.25
–2.5
FREQUENCY VARIATION (%)
–2.0
–1.0
–0.5
0
1.0
3612 G25
–1.5
0.5
3.75
3.25
5.25
2.75
4.25 4.75
TEMPERATURE (°C)
0
SWITCH LEAKAGE (nA)
1000
3000
4000
5000
7000
–50
30
90 110
3612 G26
2000
6000
10
150
–30
–10
50 70
V
IN
= 2.25V
V
IN
= 3.3V
V
IN
= 5.5V
TEMPERATURE (°C)
0
SWITCH LEAKAGE (nA)
1000
3000
4000
5000
7000
–60
20
60 80 110
3612 G27
2000
6000
0
150
–40
–20
40
V
IN
= 2.25V
V
IN
= 3.3V
V
IN
= 5.5V
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
3612 G28
FORCED CONTINUOUS MODE
PULSE-SKIPPING MODE
Burst Mode OPERATION
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 3.3V, RT/SYNC = SV
IN
, unless otherwise noted.