參數(shù)資料
型號: LTC3541EDD-2#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.25 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, PLASTIC, MO-229WEED-2, DFN-10
文件頁數(shù): 16/20頁
文件大?。?/td> 335K
代理商: LTC3541EDD-2#TR
LTC3541-2
35412fb
TYPICAL PERFOR A CE CHARACTERISTICS
U
W
Oscillator Frequency
vs Supply Voltage
RDS(0N) vs Temperature
Buck (Pulse Skip) Load Step from
1mA to 500mA
VLDO Load Step from 1mA to
300mA
Buck (Burst) Load Step from
1mA to 500mA
SUPPLY VOLTAGE (V)
3
FREQUENCY
(MHz)
2.2
2.3
35412 G09
2.1
2.0
4
5
6
2.5
VIN = 3.6V
2.4
TEMPERATURE (
°C)
–50
0.400
0.500
0.700
25
75
35412 G10
0.300
0.200
–25
0
50
100
125
0.100
0
0.600
R
DS(ON)
(
)
VIN = 2.5V
VIN = 3.6V
VIN = 5.5V
SYNCH SWITCH
MAIN SWITCH
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
40
s/DIV
35412 G11
VIN = 3.6V
VOUT = 1.875V
ILOAD = 1mA TO 500mA
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
40
s/DIV
35412 G12
VIN = 3.6V
VOUT = 1.875V
ILOAD = 1mA TO 500mA
VLDO Load Step from 100mA to
300mA
LVOUT
20mV/DIV
AC COUPLED
ILOAD
250mA/DIV
200
s/DIV
35412 G14
VIN = 3.6V
LVOUT = 1.5V
ILOAD = 100mA TO 300mA
LVOUT
20mV/DIV
AC COUPLED
ILOAD
250mA/DIV
200
s/DIV
35412 G13
VIN = 3.6V
VOUT = 1.5V
ILOAD = 1mA TO 300mA
VLDO/Linear Regulator Reference
vs Temperature
TEMPERATURE (
°C)
–50
0.390
REFERENCE
(V)
0.392
0.396
0.398
0.400
0.410
0.404
0
50
75
35412 G19
0.394
0.406
0.408
0.402
–25
25
100 125
VIN = 3.6V
TEMPERATURE (
°C)
–50
0.780
REFERENCE
(V)
0.784
0.792
0.796
0.800
0.820
0.808
0
50
75
35412 G20
0.788
0.812
0.816
0.804
–25
25
100 125
VIN = 3.6V
Buck Reference vs Temperature
Buck (Burst) and VLDO Output
VOUT
10mV/DIV
AC COUPLED
LVOUT
10mV/DIV
AC COUPLED
2
s/DIV
35412 G21
VIN = 3.6V
LVOUT = 1.5V
VOUT = 1.875V
ILOAD = 50mA
Burst Mode OPERATION
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