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| LTC3675 Datasheet, PDF (11/36 Pages) Linear Technology – 7-Channel Confi gurable High Power PMIC | |||
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC3675
Boost Regulator, Line Regulation
5.020
PWM MODE
5.016
5.012
5.008
5.004
LOAD = 500mA
5.000
4.996
LOAD = 100mA
4.992
4.988
4.984
4.980
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
VIN (V)
3675 G28
Boost Regulator Transient
Response (Burst Mode Operation)
VOUT5
100mV/DIV
AC-COUPLED
INDUCTOR
CURRENT
500mA/DIV
0mA
50μs/DIV
LOAD STEP = 100mA to 600mA
VIN = 3.6V, VOUT5 = 5V
3675 G30
Boost Regulator Transient
Response (PWM Mode)
VOUT5
100mV/DIV
AC-COUPLED
INDUCTOR
CURRENT
200mA/DIV
200μs/DIV
LOAD STEP = 100mA to 600mA
VIN = 3.6V, VOUT5 = 5V
3675 G29
Boost Regulator, No Load
Start-Up Transient, PWM Mode
VIN = 3.6V
VOUT5
2V/DIV
INDUCTOR
CURRENT
500mA/DIV
50μs/DIV
3675 G31
Boost Regulator,
VOUT5 vs Temperature
5.10
PWM MODE, LOAD = 500mA
5.08
5.06
5.04
VIN = 3.6V
5.02
5.00
4.98
4.96
VIN = 4.2V
4.94
VIN = 2.7V
4.92
4.90
â55 â35 â15 5 25 45 65 85 105 125
TEMPERATURE (°C)
3675 G32
Boost Regulator, Forward Current
Limit vs Temperature
3.50
3.45
3.40
3.35
3.30
3.25
VIN = 3.6V
3.20
3.15
VIN = 4.2V
3.10
VIN = 2.7V
3.05
3.00
2.95
2.90
2.85
2.80
â55 â35 â15 5 25 45 65 85 105 125
TEMPERATURE (°C)
3675 G33
3675f
11
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