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参数资料
| 型号： | LT3473EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 1A 8DFN |
| 标准包装： | 121 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 34V |
| 输入电压： | 2.2 V ~ 16 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 8-DFN-EP（3x3） |
| 产品目录页面： | 1331 (CN2011-ZH PDF) |
LT3473/LT3473A
ABSOLUTE
AXI U
RATI GS (Note 1)
V IN Voltage ............................................................. 16V
SHDN Voltage .......................................................... 16V
SW Voltage ............................................................. 36V
PGOOD Voltage ...................................................... 36V
CAP Voltage ............................................................ 36V
OUT Voltage ........................................................... 36V
FB Voltage .............................................................. 10V
PACKAGE/ORDER I FOR ATIO
CTRL Voltage .......................................................... 10V
NB1, NB2 Voltage ................................................... 36V
NE1, NE2 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
ORDER PART
TOP VIEW
ORDER PART
TOP VIEW
NUMBER
CAP
1
12 SW
NUMBER
CAP 1
8
SW
LT3473EDD
OUT
2
11 V IN
LT3473AEDE
OUT 2
CTRL 3
FB 4
9
DD PACKAGE
7
6
5
V IN
SHDN
PGOOD
DD PART MARKING
NB1
NE1
NB2
NE2
3
4
5
6
13
10 SHDN
9 PGOOD
CTRL
8
FB
7
DE PART MARKING
8-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 125 ° C, θ JA = 43 ° C/ W
EXPOSED PAD (PIN 9) IS GND
MUST BE SOLDERED TO PCB (NOTE 3)
LBJJ
DE PACKAGE
12-LEAD (4mm × 3mm) PLASTIC DFN
T JMAX = 125 ° C, θ JA = 43 ° C/ W
EXPOSED PAD (PIN 13) IS GND
3473A
MUST BE SOLDERED TO PCB (NOTE 3)
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 = 3V, SHDN = 3V, CTRL = 2V, unless otherwise specified.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operation Voltage
Maximum Operation Voltage
2.2
16
V
V
Supply Current
SHDN = 3V, Not Switching
100
μ A
SHDN = 0V
0.1
1
μ A
SHDN Voltage to Enable Chip
SHDN Voltage to Disable Chip
SHDN Pin Bias Current
●
●
1.4
2
0.2
V
V
μ A
FB Voltage
FB Voltage Line Regulation
FB Pin Bias Current
CTRL to FB Offset
CTRL Pin Bias Current
FB Threshold for PGOOD
3V < V IN < 16V
FB = 1.27V
CTRL = 0.5V
CTRL = 1V
CTRL = 2V
●
1.235
1.25
0.01
20
5
50
1.15
1.26
20
V
%/V
nA
mV
nA
V
CTRL = 0.5V
0.40
V
PGOOD Current Capacity
●
100
μ A
3473f
2
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| LT3474 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Full-Featured LED Driver with 1.5A Switch Current |
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| LT3474EFE#PBF | 功能描述:IC LED DRVR HP CONS CURR 16TSSOP 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 |
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