參數(shù)資料
型號(hào): LTC3614IUDD#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 10.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 3 X 5 MM, LEAD FREE, PLASTIC, QFN-24
文件頁(yè)數(shù): 26/30頁(yè)
文件大?。?/td> 438K
代理商: LTC3614IUDD#PBF
LTC3614
5
3614fa
TYPICAL PERFORMANCE CHARACTERISTICS
Efciency vs Input Voltage
Burst Mode Operation
(VMODE = 0V)
Efciency vs Frequency
Burst Mode Operation
(VMODE = 0V), IOUT = 2A
Line Regulation
Burst Mode Operation
Pulse-Skipping Mode Operation
Forced Continuous Mode Operation
INPUT VOLTAGE (V)
30
EFFICIENCY
(%)
40
50
60
70
100
90
2.5
3
4
3.5
4.5
3614 G04
5
5.5
80
VOUT = 1.8V
IOUT = 6mA
IOUT = 600mA
IOUT = 2A
INPUT VOLTAGE (V)
2.20
–0.3
V
OUT
ERROR
(%)
–0.2
–0.1
0
0.1
0.3
2.75
3.30
3.85
4.40
3614 G07
4.95
5.50
0.2
VOUT
20mV/DIV
IL
1A/DIV
20μs/DIV
3614 G08
VOUT = 1.8V
IOUT = 150mA
VMODE = 0V
VOUT
20mV/DIV
IL
1A/DIV
20μs/DIV
3614 G09
VOUT = 1.8V
IOUT = 150mA
VMODE = 3.3V
VOUT
20mV/DIV
IL
500mA/DIV
1μs/DIV
3614 G10
VOUT = 1.8V
IOUT = 100mA
VMODE = 1.5V
VIN = 3.3V, RT/SYNC = SVIN unless otherwise noted.
Load Step Transient in
Pulse-Skipping Mode
Load Step Transient in
Burst Mode Operation
Load Regulation
(VOUT = 1.8V)
OUTPUT CURRENT (mA)
0
–0.3
V
OUT
ERROR
(%)
1.5
0.3
0.7
1.1
1.3
0.9
0.1
0.5
1000
2000
3000
3614 G06
4000
–0.1
FORCED CONTINUOUS MODE
PULSE-SKIPPING MODE
INTERNAL Burst Mode OPERATION
VOUT
100mV/DIV
ILOAD
2A/DIV
100μs/DIV
3614 G11
VOUT = 1.8V
ILOAD = 100mA TO 4A
VMODE = 3.3V
COMPENSATION FIGURE 1
VOUT
100mV/DIV
ILOAD
2A/DIV
100μs/DIV
3614 G12
VOUT = 1.8V
ILOAD = 100mA TO 4A
VMODE = 0V
COMPENSATION FIGURE 1
FREQUENCY (MHz)
0.5
82
EFFICIENCY
(%)
85
84
83
86
87
88
89
90
95
94
1
1.5
2.5
2
3
3.5
3614 G05
4
4.5
93
92
91
VIN = 3.3V
VOUT = 1.8V
150nH
330nH
470nH
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