參數(shù)資料
型號(hào): LTC3546EFE
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 4.40 MM, PLASTIC, TSSOP-28
文件頁(yè)數(shù): 26/28頁(yè)
文件大小: 356K
代理商: LTC3546EFE
LTC3546
7
3546fb
TYPICAL PERFORMANCE CHARACTERISTICS
OUT2 Efciency vs VIN
OUT1 Load Step
OUT2 Load Step
VIN (V)
EFFICIENCY
(%)
100
82
98
94
90
86
96
92
88
84
80
4.25
4.75
3.75
5.25
3.25
2.75
2.25
3546 G20
600mA
3A
SW1D CONNECTED TO SW2
VOUT = 2.5V
3546 G21
400mA
2A
SW1D CONNECTED TO SW1
VOUT = 2.5V
VIN (V)
EFFICIENCY
(%)
100
82
98
94
90
86
96
92
88
84
80
4.25
4.75
3.75
5.25
3.25
2.75
2.25
100μs/DIV
VOUT
100mV/DIV
ILOAD
1A/DIV
3546 G22
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.2V
ILOAD = 200mA TO 1.9A
100μs/DIV
VOUT
100mV/DIV
ILOAD
250mA/DIV
3546 G23
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.2V
ILOAD = 100mA TO 0.9A
100μs/DIV
VOUT
100mV/DIV
ILOAD
1A/DIV
3546 G24
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.8V
ILOAD = 300mA TO 2.9A
100μs/DIV
VOUT
100mV/DIV
ILOAD
1A/DIV
3546 G25
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.8V
ILOAD = 200mA TO 1.9A
OUT1 Efciency vs Frequency
3.5
4.0
3.0
2.5
2.0
1.5
1.0
0.5
FREQUENCY (MHz)
EFFICIENCY
(%)
95
94
93
92
91
90
86
87
88
89
85
3546 G26
SW1D CONNECTED TO SW1
VIN = 3.6V
VOUT = 1.8V
ILOAD = 400mA
FREQUENCY (MHz)
EFFICIENCY
(%)
3546 G27
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 1.8V
ILOAD = 200mA
3.5
4.0
3.0
2.5
2.0
1.5
1.0
0.5
95
94
93
92
91
90
86
87
88
89
85
OUT2 Efciency vs Frequency
3.5
4.0
3.0
2.5
2.0
1.5
1.0
0.5
FREQUENCY (MHz)
EFFICIENCY
(%)
3546 G28
SW1D CONNECTED TO SW2
VIN = 3.6V
VOUT = 2.5V
ILOAD = 600mA
95
94
93
92
91
90
86
87
88
89
85
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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