- 您现在的位置：买卖IC网 > PDF目录20884 > LTC3454EDD#PBF (Linear Technology)IC LED DRIVER PHOTO FLASH 10-DFN PDF资料下载
参数资料
| 型号： | LTC3454EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER PHOTO FLASH 10-DFN |
| 标准包装： | 121 |
| 拓扑： | PWM，降压（降压），升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 900kHz ~ 1.15MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 5.15V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
LTC3454
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN , SW1, SW2, V OUT Voltage ...................... –0.3V to 6V
PIN CONFIGURATION
TOP VIEW
V C , EN1, EN2, I SET1 , I SET2
Voltage............................. –0.3V to (V IN + 0.3V) or 6V
EN1
EN2
1
2
10 SW1
9 V IN
LED Peak Current ...................................................1.25A
Storage Temperature Range................... –65°C to 125°C
Operating Temperature Range (Note 2).... –40°C to 85°C
I SET1
I SET2
LED
3
4
5
11
8 V C
7 V OUT
6 SW2
Junction Temperature (Note 3) ............................. 125°C
DD PACKAGE
10-LEAD (3mm 3mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 40°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3454EDD#PBF
TAPE AND REEL
LTC3454EDD#TRPBF
PART MARKING
LBQX
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations ar e at T A = 25°C. V IN = 3.6V, R ISET = 20.5k unless otherwise noted. (Note 2)
PARAMETER
Input Supply Voltage (V IN )
CONDITIONS
l
MIN
2.7
TYP
MAX
5.5
UNITS
V
Input DC Supply Current
(Typicals at V IN = 3.6V, R ISET1 = R ISET2 = 20.5k)
l
Normal Operation
Shutdown
UVLO
2.7V ≤ V IN ≤ 5.5V (Note 4)
2.7V ≤ V IN ≤ 5.5V, V EN1 = V EN2 = 0V
V IN < UVLO Threshold, V EN1 = V EN2 = V IN
825
0
5
1200
1
10
μA
μA
μA
Undervoltage Lockout Threshold
V EN1 , V EN2 DC Threshold for Normal Operation (V IH )
V IN Rising
V IN Falling
l
l
1.75
2.05
1.90
0.68
2.3
1.2
V
V
V
V EN1 , V EN2 DC Threshold for Shutdown (V IL )
V EN1 , V EN2 Input Current
l
l
0.2
–1
0.66
1
V
μA
I SET1 and I SET2 Servo Voltage
3.08k ≤ R ISET1 ||R ISET2 ≤ 20.5k
l
780
800
812
mV
788
800
812
mV
LED Output Current to Programming Current Ratio
I LED /(I ISET1 + I ISET2 ), I LED = 500mA (Note 5)
l
3725
3850
3975
mA/mA
3775
3850
3925
mA/mA
LED Pin Voltage
I LED = 1A
105
mV
Regulated Maximum V OUT
LED Pin Open, Programmed I LED = 1A
l
4.95
5.15
5.35
V
PMOS Switch R ON
NMOS Switch R ON
Switches A and D (V OUT = 3.6V)
Switches B and C
170
130
mΩ
mΩ
Forward Current Limit
Reverse Current Limit
PMOS Switch Leakage
NMOS Switch Leakage
Switch A
Switch D (V OUT = 3.6V)
Switches A, D
Switches B, C
2.5
–1
–1
3.4
275
1
1
A
mA
μA
μA
3454fa
2
相关PDF资料 |
PDF描述 |
|---|---|
| LTC3207EUF-1#PBF | IC LED DRIVR QVGA DISPLAY 24-QFN |
| OKX2-T/10-D12N-C | CONVERT DC/DC SIP 50W 0.75-5.5V |
| P51-300-S-T-I36-20MA-000-000 | SENSOR 300PSIS 7/16 4-20 MA |
| P51-50-S-T-D-4.5V-000-000 | SENSOR 50PSI 7/16-20-2B .5-4.5V |
| P51-1500-S-B-MD-4.5V-000-000 | SENSOR 1500PSI 1/8-27NPT .5-4.5V |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| LTC3455EUF#TR | 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#TRPBF | 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 |
发布紧急采购，3分钟左右您将得到回复。