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参数资料
| 型号： | LT3956EUHE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR BUCK BOOST 36-VQFN |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 恒定电压： | 是 |
| 拓扑： | 回扫，低端，PWM，SEPIC，降压（降压），升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，通用 |
| 类型 - 次要： | 白色 LED |
| 频率： | 100kHz ~ 1MHz |
| 电源电压： | 4.5 V ~ 80 V |
| 输出电压： | 80V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-QFN-EP（6x5） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
LT3956
GND 4
25 FB
SW 8
21 SW
ABSOLUTEMAXIMUMRATINGS
(Note 1)
V IN , ISP, ISN ..............................................................80V
SW ............................................................................84V
EN/UVLO (Note 3) .....................................................80V
INTV CC ...................................................... V IN + 0.3V, 8V
PWMOUT ..................................................INTV CC + 0.3V
CTRL, PWM, VMODE ................................................12V
FB ...............................................................................8V
V C , V REF , SS ................................................................3V
RT ............................................................................1.5V
PGND to GND.........................................................±0.5V
Operating Junction Temperature Range
(Note 2) ............................................. –40°C to 125°C
Maximum Junction Temperature........................... 125°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
TOP VIEW
36 35 34 33 32 31 30
NC 1 28 ISP
EN/UVLO 2 27 ISN
INTV CC 3 37
GND
V IN 6 23 PWMOUT
38
SW
SW 9 20 SW
NC 10
12 13 14 15 16 17
UHE PACKAGE
36-LEAD (5mm 6mm) PLASTIC QFN
24 GND
T JMAX = 125°C, θ JA = 43°C/W, θ JC = 5°C/W
EXPOSED PAD (PIN 37) IS GND, MUST BE SOLDERED TO PCB
EXPOSED PAD (PIN 38) IS SW, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3956EUHE#PBF
LT3956IUHE#PBF
TAPE AND REEL
LT3956EUHE#TRPBF
LT3956IUHE#TRPBF
PART MARKING*
3956
3956
PACKAGE DESCRIPTION
36-Lead (5mm × 6mm) Plastic QFN
36-Lead (5mm × 6mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temp-
erature range, otherwise specifications are at T A = 25°C. V IN = 24V, EN/UVLO = 24V, CTRL = 2V, PWM = 5V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN Minimum Operating Voltage
V IN Shutdown I Q
V IN Operating I Q (Not Switching)
V IN Tied to INTV CC
EN/UVLO = 0V
EN/UVLO = 1.15V
PWM = 0V
l
0.1
1.4
4.5
1
5
1.7
V
μA
μA
mA
V REF Voltage
–100μA ≤ I VREF ≤ 0μA
l
1.965
2.00
2.045
V
V REF Line Regulation
4.5V ≤ V IN ≤ 80V
0.006
%/V
3956f
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3956IUHE#PBF | 功能描述:IC LED DVR BUCK BOOST 36-VQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LT3956IUHE#TRPBF | 功能描述:IC LED DVR BUCK BOOST 36-VQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LT3956IUHE-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:80VIN, 80VOUT Constant-Current, Constant-Voltage Converter |
| LT3956IUHE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:80VIN, 80VOUT Constant-Current, Constant-Voltage Converter |
| LT3957 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Range |
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