Datasheet

5
LTC3440
3440fb
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Boost Max Duty Cycle Minimum Start Voltage Current Limit
TEMPERATURE (°C)
–55
70
DUTY CYCLE (%)
75
80
85
90
–25 5 35 65
3440 G19
95 125
V
IN
= V
OUT
= 3.6V
R
T
= 60k
TEMPERATURE (°C)
–55
2.25
MINIMUM START VOLTAGE (V)
2.30
2.35
2.40
–25 5 35 65
3440 G20
95 125
TEMPERATURE (°C)
–55
1000
CURRENT LIMIT (A)
1500
2000
2500
3000
–25 5 35 65
3440 G21
95 125
V
IN
= V
OUT
= 3.6V
PEAK SWITCH
AVERAGE INPUT
Feedback Voltage Line Regulation Error Amp Sink Current PMOS R
DS(ON)
TEMPERATURE (°C)
–55
60
LINE REGULATION (dB)
70
80
90
–25 5 35 65
3440 G16
95 125
V
IN
= V
OUT
= 2.5V TO 5.5V
TEMPERATURE (°C)
–55
350
E/A SINK CURRENT (μA)
370
390
410
430
–25 5 35 65
3440 G17
95 125
V
IN
= V
OUT
= 3.6V
TEMPERATURE (°C)
–55
0.10
PMOS R
DS(ON)
(Ω)
0.15
0.20
0.25
0.30
–25 5 35 65
3440 G18
95 125
V
IN
= V
OUT
= 3.6V
SWITCHES A AND D