Datasheet

LTC3615/LTC3615-1
7
3615fb
For more information www.linear.com/LTC3615
Typical perForMance characTerisTics
Switch On-Resistance
vs Input Voltage
Reference Voltage
vs Temperature
Frequency vs Input Voltage
Frequency vs R
T
/SYNC
Frequency vs Temperature
V
IN
= 3.3V, R
T
/SYNC = SV
IN
, unless otherwise noted.
R
T
/SYNC (kΩ)
100
0
f
OSC
(MHz)
3.6
0.8
1.2
1.6
4.0
2.4
300
500
600 1000
3615 G22
0.4
2.8
3.2
2.0
200 400
700
800
900
V
IN
(V)
2.25
1.60
f
OSC
(MHz)
1.80
1.90
2.00
2.10
2.60
2.50
2.40
2.30
3615 G24
1.70
2.20
4.503.75 5.25
3.00
R
T
/SYNC = SV
IN
R
T
/SYNC = 200k
V
IN
(V)
2.25
0
R
DS(ON)
(Ω)
0.01
0.03
0.04
0.05
0.10
0.09
0.08
0.07
3615 G19
0.02
0.06
4.253.25 5.25
MAIN SWITCH
SYNCHRONOUS SWITCH
Switch On-Resistance
vs Temperature
TEMPERATURE (°C)
–60
0.594
REFERENCE VOLTAGE (V)
0.596
0.600
0.602
0.604
150
3615 G18
0.598
–25 10
45
80
115
0.606
TEMPERATURE (°C)
–60
SWITCH LEAKAGE (µA)
40
90
100
10
20
70
30
80
10
0
60
50
–25
80
45
150115
3615 G20
MAIN SWITCH
SYNCHRONOUS SWITCH
TEMPERATURE (°C)
1.8
f
OSC
(MHz)
1.9
2.1
2.2
2.3
2.7
2.6
2.5
3615 G23
2.0
2.4
–60 10–25 8045 115 150
R
T
/SYNC = SV
IN
R
T
= 178k
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