收藏本站
LTC3490
ABSOLUTE
AXI U
RATI GS
(Note 1)
Supply Voltage (V IN ) ................................... – 0.3V to 6V
Input Voltages (CTRL/SHDN, CELLS) ......... – 0.3V to 6V
Output Voltages (CAP, LED, SW) ................ – 0.3V to 6V
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Storage Temperature Range ................. – 65 ° C to 125 ° C
Lead Temperature (Soldering, 10 sec, S8) .......... 300 ° C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
TOP VIEW
CELLS 1
8
CTRL/SHDN
CELLS 1
8
CTRL/SHDN
V IN 2
SW 3
GND 4
9
7
6
5
LOBAT
CAP
LED
V IN 2
SW 3
7
6
LOBAT
CAP
GND 4
5
LED
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 125 ° C, θ JA = 43 ° C/ W (NOTE 4)
EXPOSED PAD (PIN 9) IS GND
MUST BE SOLDERED TO PCB (NOTE 5)
S8 PACKAGE
8-LEAD PLASTIC SO
T JMAX = 125 ° C, θ JA = 150 ° C/ W (NOTE 4)
ORDER PART NUMBER
LTC3490EDD
DD PART MARKING
LBRQ
ORDER PART NUMBER
LTC3490ES8
S8 PART MARKING
3490
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are T A = 25 ° C. V IN = 2.5V unless otherwise specified.
SYMBOL
V IN
V IN(START)
I LED(MAX)
PARAMETER
Input Supply Range
Minimum Start-Up Voltage
LED Drive Current
CONDITIONS
(Note 3)
V CTRL/SHDN = V IN , DD Package
25 ° C to 85 ° C
– 40 ° C to <25 ° C
V CTRL/SHDN = V IN , S8 Package
25 ° C to 85 ° C
– 40 ° C to <25 ° C
MIN
1
330
310
337
325
TYP
0.9
350
350
350
345
MAX
3.2
1
370
385
363
365
UNITS
V
V
mA
mA
mA
mA
I LED(SHDN)
V LED
LED Drive Current in Shutdown
Output Compliance Voltage
V CTRL/SHDN = 0V
●
2.8
0.1
1
4
μ A
V
V LED(OVL)
I IN(SHDN)
I IN(ACTIVE)
Output Voltage Overvoltage Limit
Input Current, Shutdown
Input Current, Active
Open LED
V CTRL/SHDN = 0V, Excluding Switch Leakage
Excluding Load Power
●
4.2
20
20
4.7
50
30
V
μ A
mA
f SW
Switching Frequency
●
1.0
1.3
1.6
MHz
I L(NMOS)
R ON(NMOS)
Leakage Current, NMOS Switch
On-Resistance, NMOS Switch
0.1
0.1
μ A
?
3490fa
2
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
LTC3783EFE#PBF IC LED DRVR PWM CONTROL 16-TSSOP
LV5026MC-AH IC LED DRIVER 1CH HV 10SOIC
LV5213LP-TE-L-E IC LED DVR 3CH CELL PHONE VCT16
LV5216CS-TE-L-E IC LED DRIVER 10CH CELL 36WLP
LV5217GP-TE-L-E IC LED DVR 3CH CELL PHONE VCT16
LV8498CT-TE-L-H IC MOTOR DRIVER S111 WLP
LXC100-4200SW POWER SUPPLY LED 100W 4200MA
LXC120-4900SW POWER SUPPLY LED 120W 4900MA
相关代理商/技术参数
LTC3490EDD#TRPBF 功能描述:IC LED DRIVER PHOTO FLASH 8-DFN 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
LTC3490ES8 制造商:LINER 制造商全称:Linear Technology 功能描述:Single Cell 350mA LED Driver
LTC3490ES8#PBF 功能描述:IC LED DRIVER PHOTO FLASH 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性（LDO），PWM，升压（升压） 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB，白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C
LTC3490ES8#TRPBF 功能描述:IC LED DRIVER PHOTO FLASH 8-SOIC 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
LTC3499 制造商:LINER 制造商全称:Linear Technology 功能描述:750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection
LTC3499B 制造商:LINER 制造商全称:Linear Technology 功能描述:750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection
LTC3499BEDD 制造商:LINER 制造商全称:Linear Technology 功能描述:750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection
LTC3499BEDD#PBF 功能描述:IC REG BOOST SYNC ADJ 0.75A 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2