參數(shù)資料
型號: LTC3541EDD-3
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, M0-229WEED-2, DFN-10
文件頁數(shù): 15/20頁
文件大小: 379K
代理商: LTC3541EDD-3
LTC3541-3
35413fc
Efficiency vs Input Voltage for
Buck (Pulse Skip)
Efficiency vs Input Voltage for
Buck (Burst)
Efficiency vs Load Current for
Buck (Pulse Skip)
Efficiency vs Load Current for
Buck (Burst)
VLDO Dropout Voltage
vs Load Current
Buck (Burst) Plus VLDO Bias
Current vs VLDO Load Current
TYPICAL PERFOR A CE CHARACTERISTICS
U
W
Output (Auto-Start-Up Sequence)
vs Time
Oscillator Frequency
vs Temperature
Oscillator Frequency
vs Supply Voltage
INPUT VOLTAGE (V)
2
EFFICIENCY
(%)
75
80
85
6
35413 G01
70
65
50
3
4
5
60
55
95
90
IOUT = 500mA
IOUT = 100mA
IOUT = 30mA
INPUT VOLTAGE (V)
2
50
EFFICIENCY
(%)
55
65
70
75
100
85
3
4
35413 G02
60
90
95
80
5
6
IOUT = 500mA
IOUT = 30mA
IOUT = 100mA
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
35413 G03
0
1
VIN = 2.7V
VIN = 4.2V
VIN = 3.6V
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
35413 G04
0
1
VIN = 2.7V
VIN = 4.2V
VIN = 3.6V
LOAD CURRENT (mA)
0
DROPOUT
VOLTAGE
(mV)
20
40
60
80
100
50
100
150
200
35413 G05
250
300
VIN = 3.6V
VIN = 4.2V
VIN = 3V
LOAD CURRENT (mA)
0.1
BIAS
CURRENT
(
A)
100
150
1000
35413 G06
50
0
1
10
100
250
200
VIN = 3.6V
ILOAD_BUCK = 0
IBIAS = IVIN + ILVIN – ILOAD
VOUT
1V/DIV
LVOUT
1V/DIV
VIN
2V/DIV
2ms/DIV
35413 G07
IVOUT = 200mA
ILVOUT = 30mA
TEMPERATURE (
°C)
–50
2.00
FREQUENCY
(MHz)
2.05
2.15
2.20
2.25
2.50
2.35
0
50
75
35413 G08
2.10
2.40
2.45
2.30
–25
25
100 125
VIN = 3.6V
SUPPLY VOLTAGE (V)
3
FREQUENCY
(MHz)
2.2
2.3
35413 G09
2.1
2.0
4
5
6
2.5
VIN = 3.6V
2.4
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