參數(shù)資料
型號: LTC3860IUH#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PQCC32
封裝: 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32
文件頁數(shù): 32/36頁
文件大?。?/td> 436K
代理商: LTC3860IUH#PBF
LTC3860
5
3860fc
Load Step Transient Response
(Single Phase)
Load Step Transient Response
(2-Phase)
TYPICAL PERFORMANCE CHARACTERISTICS
Load Step Transient Response
(2-Phase with 50% Inductor
Mismatch)
Efciency and Power Loss
vs Load Current
Efciency and Power Loss
vs Supply Voltage
50μs/DIV
3860 G01
VIN = 12V
VOUT = 1.2V
ILOAD STEP = 10A
COMP VALUES:
R2A = 6.8kΩ, C1A = 470pF, C2A = 100pF
VOUT
50mV/DIV
ILOAD
10A/DIV
IL
10A/DIV
Load Step Transient Response
(2-Phase)
VOUT
50mV/DIV
50μs/DIV
3860 G02
VIN = 12V
VOUT = 1.8V
ILOAD STEP = 10A
IL1
5A/DIV
ILOAD
10A/DIV
IL2
5A/DIV
VOUT
50mV/DIV
50μs/DIV
3860 G03
VIN = 12V
VOUT = 1.2V
ILOAD STEP = 10A
IL1
5A/DIV
ILOAD
10A/DIV
IL2
5A/DIV
LOAD CURRENT (A)
0.001
40
EFFICIENCY
(%)
POWER
LOSS
(W)
50
60
70
80
0.01
0.1
1
10
100
3860 G05
30
20
10
0
90
100
1
2
3
4
5
0
6
7
VIN = 6V
VOUT = 1.2V
SUPPLY VOLTAGE (V)
6
70
EFFICIENCY
(%)
POWER
LOSS
(W)
72
76
78
80
90
84
8
10
11
3860 G06
74
86
88
82
1.0
1.5
2.5
3.0
3.5
6.0
4.5
2.0
5.0
5.5
4.0
79
12
13
14
VOUT = 1.2V
IOUT = 15A
VOUT(AC)
100mV/DIV
50μs/DIV
3860 G04
VIN = 12V
VOUT = 1.2V
ILOAD = 0A TO 25A
IL1 = 320nH
10A/DIV
ILOAD
20A/DIV
IL2 = 220nH
10A/DIV
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