Datasheet

LTC3675/LTC3675-1
11
36751fc
For more information www.linear.com/LTC3675
Typical perForMance characTerisTics
Boost Regulator, No Load
Start-Up Transient, PWM Mode
Boost Regulator,
V
OUT5
vs Temperature
Boost Regulator, Forward Current
Limit vs Temperature
Boost Regulator, Line Regulation
Boost Regulator Transient
Response (PWM Mode)
Boost Regulator Transient
Response (Burst Mode Operation)
V
IN
(V)
V
OUT5
(V)
5.020
5.012
5.016
5.004
5.008
4.992
4.988
5.000
4.996
4.984
4.980
36751 G28
3.1 3.5 4.3 4.7 5.1 5.52.7 3.9
LOAD = 500mA
LOAD = 100mA
PWM MODE
200µs/DIV
V
OUT5
100mV/DIV
AC-COUPLED
INDUCTOR
CURRENT
200mA/DIV
LOAD STEP = 100mA to 600mA
V
IN
= 3.6V, V
OUT5
= 5V
36751 G29
50µs/DIV
V
OUT5
100mV/DIV
AC-COUPLED
INDUCTOR
CURRENT
500mA/DIV
0mA
36751 G30
LOAD STEP = 100mA to 600mA
V
IN
= 3.6V, V
OUT5
= 5V
50µs/DIV
V
OUT5
2V/DIV
INDUCTOR
CURRENT
500mA/DIV
36751 G31
V
IN
= 3.6V
TEMPERATURE (°C)
V
OUT5
(V)
5.10
5.06
5.08
5.02
5.04
4.96
4.94
5.00
4.98
4.92
4.90
–15–35
36751 G32
5 25 65 85 105 125–55 45
V
IN
= 2.7V
PWM MODE, LOAD = 500mA
V
IN
= 3.6V
V
IN
= 4.2V
TEMPERATURE (°C)
I
FWD5
(A)
3.50
3.30
3.40
3.10
3.20
3.00
2.90
2.80
3.35
3.45
3.15
3.25
3.05
2.95
2.85
–15–35
36751 G33
5 25 65 85 105 125–55 45
V
IN
= 2.7V
V
IN
= 4.2V
V
IN
= 3.6V