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: 22/24页
文件大小: 243K
代理商: LT3741IUF#PBF
LT3741
7
3741fb
TYPICAL PERFORMANCE CHARACTERISTICS
Non-Overlap Time
Minimum On-Time
Minimum Off-Time
Current Regulation Accuracy
CTRL1 = 1.5V, VIN = 12V
Current Regulation Accuracy
CTRL1 = 0.75V, VIN = 12V
HG Driver RDS(ON)
LG Driver RDS(ON)
TEMPERATURE (°C)
–50
R
DS(ON)
(Ω)
3
4
5
90
3741 G20
2
1
0
–15
20
55
125
PULL-UP
PULL-DOWN
TEMPERATURE (°C)
–50
R
DS(ON)
(Ω)
3
4
5
90
3741 G21
2
1
0
–15
20
55
125
PULL-UP
PULL-DOWN
TEMPERATURE (°C)
–50
NON-OVERLAP
TIME
(ns)
90
120
150
90
3741 G23
60
30
0
–15
20
55
125
HG TO LG
LG TO HG
TEMPERATURE (°C)
–50
MINIMUM
ON-TIME
(ns)
90
120
150
90
3741 G24
60
30
0
–15
20
55
125
HG
LG
TEMPERATURE (°C)
–50
MINIMUM
OFF-TIME
(ns)
180
240
300
90
3741 G25
120
60
0
–15
20
55
125
HG
LG
OUTPUT VOLTAGE (V)
0
–3
ACCURACY
(%)
–2
–1
0
1
2
3
2.5
5.0
7.5
10
3741 G26
25°C
OUTPUT VOLTAGE (V)
0
–6
ACCURACY
(%)
–4
–2
0
2
4
6
2.5
5.0
7.5
10
3741 G27
25°C
Overcurrent Threshold
CTRL_H (V)
0
V
SENSE
+
V
SENSE
(mV)
20
40
60
80
100
120
0.75
1.5
2.25
3.0
3741 G28
TEMPERATURE (°C)
–50
FREQUENCY
(MHz)
0.9
1.2
1.5
90
3741 G36
0.6
0.3
0
–15
20
55
125
1.2MHz
900kHz
220kHz
Oscillator Frequency
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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)