参数资料
型号: LT3741IUF#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 1070 kHz SWITCHING FREQ-MAX, PQCC20
封装: 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20
文件页数: 23/24页
文件大小: 243K
代理商: LT3741IUF#PBF
LT3741
8
3741fb
TYPICAL PERFORMANCE CHARACTERISTICS
VOUT vs IOUT
IOUT (A)
02468
13579
V
OUT
(V)
10
15
25
20
3741 G22
5
0
10
VIN = 25V
VOUT = 20V
ILIMIT = 9.5A
VOUT vs IOUT
IOUT (A)
02468
10 12 14 16 18
V
OUT
(V)
6
8
12
10
3741 G33
4
2
0
20
VIN = 24V
VOUT = 10V
ILIMIT = 18A
LOAD CURRENT (A)
0
EFFICIENCY
(%)
100
90
80
70
95
75
85
POWER
LOSS
(W)
30
25
10
20
0
15
5
15
3741 G29
25
20
10
5
EFFICIENCY
POWER LOSS
VIN = 20V
VOUT = 5V
Efciency and Power Loss
vs Load Current
IOUT (A)
0 2 4 6 8 10 12 14 16 18 20 22 24
V
OUT
(V)
3
4
6
5
3741 G19
2
1
0
26
VIN = 20V
VOUT = 5V
ILIMIT = 24A
VOUT vs IOUT
Efciency and Power Loss
vs Load Current
Efciency and Power Loss
vs Load Current
LOAD CURRENT (A)
0
EFFICIENCY
(%)
100
90
70
50
80
60
40
95
75
55
85
65
45
POWER
LOSS
(W)
12
10
4
8
0
6
2
15
3741 G37
20
10
5
EFFICIENCY
POWER LOSS
VIN = 24V
VOUT = 10V
LOAD CURRENT (A)
0
EFFICIENCY
(%)
100
90
80
70
95
75
85
POWER
LOSS
(W)
4.8
4.0
1.6
3.2
0
2.4
0.8
6
3741 G30
10
8
4
2
EFFICIENCY
POWER LOSS
VIN = 25V
VOUT = 20V
相关PDF资料
PDF描述
LT3748HMS#PBF SWITCHING CONTROLLER, PDSO12
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相关代理商/技术参数
参数描述
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LT3742EUF#PBF 功能描述:IC REG CTRLR BUCK PWM CM 24-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR
LT3742EUF#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 24-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)