收藏本站
LTC3453
ABSOLUTE
(Note 1)
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
V IN , PV IN , SW1, SW2, V OUT Voltage ............ –0.3V to 6V
TOP VIEW
LED1 to LED4 Voltage ...... –0.3V to (V OUT + 0.3V) or 6V
V C , EN1, EN2,
V IN 1
16 15 14 13
12 V C
I SET1 , I SET2 Voltage .......... –0.3V to (V IN + 0.3V) or 6V
LED1 to LED4 Peak Current ................................ 250mA
Storage Temperature Range .................. –65 ° C to 125 ° C
Operating Temperature Range (Note 2) ... –40 ° C to 85 ° C
Junction Temperature (Note 3) ............................. 125 ° C
EN1 2
I SET1 3
LED1 4
5
6
17
7
8
11 EN2
10 I SET2
9 LED4
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
T JMAX = 125 ° C, θ JA = 40 ° C/W, θ JC = 2.6 ° C/W
EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
LTC3453EUF
UF PART MARKING
3453
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 the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C, V IN = V OUT = 3.6V unless otherwise noted. (Note 2)
PARAMETER
Input Supply Voltage
CONDITIONS
●
MIN
2.7
TYP
MAX
5.5
UNITS
V
Input DC Supply Current
Normal Operation
Shutdown
UVLO
2.7V ≤ V IN ≤ 5.5V, R ISET1 ||R ISET2 = 51.1k, I LEDx = 0 (Note 4)
2.7V ≤ V IN ≤ 5.5V; V EN1 = V EN2 = 0V
V IN < UVLO Threshold
0.6
6
3
1
18
5
mA
μ A
μ A
Undervoltage Lockout Threshold
EN1,2 DC Threshold for Normal Operation
V IN Rising
V IN Falling
2.7V ≤ V IN ≤ 5.5V, V EN1,2 Rising
●
●
1.6
2
1.9
0.65
2.3
1
V
V
V
EN1,2 DC Threshold for Shutdown (I LEDx = 0) 2.7V ≤ V IN ≤ 5.5V, V EN1,2 Falling
●
0.2
0.63
V
EN1,2 Input Current
V EN1,2 = 3.6V
●
–1
1
μ A
I SET1,2 Servo Voltage
LED Output Current Ratio
LED Output Current Matching
R ISET1,2 = 4.12k, 0 ° C ≤ T A ≤ 85 ° C
R ISET1,2 = 4.12k, –40 ° C ≤ T A ≤ 85 ° C
I LED /(I SET1 + I SET2 ), I LEDx = 75mA, V LEDx = 300mV,
2.7V ≤ V IN ≤ 5.5V
(MAX – MIN)/[(MAX + MIN)/2] ? 100%, I LEDx = 75mA
●
●
788
780
365
357
800
800
384
384
2
812
812
403
403
6
mV
mV
mA/mA
mA/mA
%
V LEDx = 300mV
LED Pin Drain Voltage
I LEDx = 75mA
130
mV
Regulated Maximum V OUT
V LEDx = 0V
●
4.4
4.5
4.6
V
PMOS Switch R ON
NMOS Switch R ON
Switches A and D, @ 100mA
Switches B and C, @ 100mA
0.3
0.25
?
?
Forward Current Limit
Reverse Current Limit
Switch A
Switch D
1125
1612
200
2100
mA
mA
3453fa
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
LTC3454EDD#TRPBF IC LED DRIVER PHOTO FLASH 10-DFN
LTC3490EDD#PBF IC LED DRIVER PHOTO FLASH 8-DFN
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
相关代理商/技术参数
LTC3454 制造商:LINER 制造商全称:Linear Technology 功能描述:1A Synchronous Buck-Boost High Current LED Driver
LTC3454EDD 制造商:LINER 制造商全称:Linear Technology 功能描述:1A Synchronous Buck-Boost High Current LED Driver
LTC3454EDD#PBF 功能描述:IC LED DRIVER PHOTO FLASH 10-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
LTC3454EDD#TRPBF 功能描述:IC LED DRIVER PHOTO FLASH 10-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
LTC3454EDDPBF 制造商:Linear Technology 功能描述:LED Driver 1A Buck-Boost 3.3/5V DFN10EP
LTC3455 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager
LTC3455EUF 功能描述:IC CONV DC/DC DUAL USBBATT 24QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3455EUF#PBF 功能描述:IC CONV DC/DC DUAL USBBATT 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR