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参数资料
| 型号： | LT3740EDHC |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.14 A SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | 5 X 3 MM, PLASTIC, MO-229WJED-1, DFN-16 |
| 文件页数： | 12/20页 |
| 文件大小： | 234K |
| 代理商： | LT3740EDHC |
LT3740
2
3740fc
ABSOLUTE MAXIMUM RATINGS
SN–, BGATE, VC, FB, XREF, PGOOD Voltages .............10V
VIN, SHDN, SW, Range Voltages ...............................22V
BIAS, TGATE, BGDP, SN+ Voltages ............................32V
SWB Voltage ............................................................36V
Maximum Junction Temperature........................... 125°C
Operating Temperature Range (Note 2)....–40°C to 85°C
Storage Temperature Range...................–65°C to 125°C
(Note 1)
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C, VIN = 5V unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operation Voltage
●
2.2
V
Maximum Operation Voltage
●
22
V
Input Supply Current
SHDN = 0V
SHDN = 5V, BIAS = 14V, FB = 1.5V
0.6
2.5
μA
mA
Feedback Reference Voltage
XREF=1V
●
794
800
808
mV
Feedback Voltage Line Regulation
VIN = 2.5V to 22V
0.006
%
FB Pin Input Current
FB = 800mV
230
nA
Error Amplier Transconductance
VC = 1.2V
380
μS
Controller Switching Frequency
●
260
300
330
kHz
Minimum BGATE On Time (Note 3)
500
700
ns
Current Limit
RANGE = 0V
RANGE = Open
RANGE = VIN
25
55
80
50
80
105
85
115
140
mV
Reverse Current Limit
35
mV
PIN CONFIGURATION
16
15
14
13
12
11
10
9
17
1
2
3
4
5
6
7
8
VC
FB
XREF
SHDN
PGOOD
RANGE
VIN
SWB
SN
–
PGND
BGATE
BGDP
SN
+
SW
TGATE
BIAS
TOP VIEW
DHC PACKAGE
16-LEAD (5mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PAD IS GND (PIN 17), MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3740EDHC#PBF
LT3740EDHC#TRPBF
3740
16-Lead (5mm
× 3mm) Plastic DFN
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3740EDHC
LT3740EDHC#TR
3740
16-Lead (5mm
× 3mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3740EDHC#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 16-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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 |
| LT3740EDHC#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 16-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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) |
| LT3740EDHC-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Operating Range, Valley Mode, No RSENSE? Synchronous Step-Down Controller |
| LT3740EDHC-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Operating Range, Valley Mode, No RSENSE? Synchronous Step-Down Controller |
| LT3740EDHC-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Operating Range, Valley Mode, No RSENSE? Synchronous Step-Down Controller |
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