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参数资料
| 型号： | LT3571IUD#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.57 A SWITCHING REGULATOR, 2300 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封装： | 3 X 3 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16 |
| 文件页数： | 9/16页 |
| 文件大小： | 215K |
| 代理商： | LT3571IUD#TRPBF |
LT3571
2
3571fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Input Voltage (VIN), SHDN ........................................20V
VOUT, MONIN, APD....................................................75V
MON..........................................................................12V
SW ............................................................................75V
CTRL, FB, SYNC..........................................................5V
RT, VREF ...................................................................1.5V
Operating Ambient Temperature Range
(Note 2) .............................................–40°C to 125°C
Operating Junction Temperature
(Note 2) .............................................–40°C to 125°C
Storage Temperature Range...................–65°C to 150°C
(Note 1)
16
17
15 14 13
5
6
7
8
TOP VIEW
UD PACKAGE
16-LEAD (3mm
3mm) PLASTIC QFN
9
10
11
12
4
3
2
1
NC
APD
MONIN
VOUT
SHDN
VIN
GND
RT
MON
FB
CTRL
V
REF
SW
GND
SYNC
TJMAX = 125°C, θJA = 68°C/W, θJC = 4.2°C/W (NOTE 2)
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operating Voltage
2.7
V
Maximum Operating Voltage
20
V
Supply Current
VFB = 1.3V, Not Switching
VSHDN = 0V
1.7
0.1
2.2
0.5
mA
μA
Feedback Voltage
VCTRL = 1.25V, VOUT = VMONIN
l
0.985
0.97
1
1.015
1.03
V
Feedback Line Regulation
2.7V < VIN < 20V
0.03
0.07
%/V
Current Sense Voltage (VOUT – VMONIN)VOUT = 30V
l
185
200
215
mV
FB Pin Bias Current
VFB = 0V
l
60
100
nA
VREF Pin Voltage
IREF = –100μA
l
1.200
1.222
1.240
V
VREF Pin Line Regulation
2.7V < VIN < 20V
0.03
0.07
%V
RT Voltage
1V
SYNC Resistance to GND
VSYNC = 2V
45
kΩ
SYNC Input Low
0.4
V
SYNC Input High
1.5
V
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3571EUD#PBF
LT3571EUD#TRPBF
LDTN
16-Lead (3mm
× 3mm) Plastic QFN
–40°C to 125°C
LT3571IUD#PBF
LT3571IUD#TRPBF
LDTN
16-Lead (3mm
× 3mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C, VIN = 3V, VSHDN = 3V, unless otherwise noted.
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相关代理商/技术参数 |
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|---|---|
| LT3572 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Full-Bridge Piezo Driver with 900mA Boost Converter |
| LT3572EUF#PBF | 功能描述:IC DRIVER PIEZO DUAL 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:步进电机驱动器，1-2 相，2 相 评估套件:- 输出数:1 电流 - 输出:800mA 电压 - 负载:10 V ~ 28 V 电源电压:4.75 V ~ 5.25 V 工作温度:-20°C ~ 90°C 安装类型:表面贴装 封装/外壳:28-SOP + 2 翼片裸露焊盘 供应商设备封装:28-HSOPHC（15.2x7.9） 包装:剪切带 (CT) 其它名称:869-1268-1 |
| LT3572EUF#TRPBF | 功能描述:IC DRIVER PIEZO DL 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 产品变化通告:ATA683(3,4)PLQW Obsolescence 09/Aug/2012 标准包装:1 系列:- 应用:DC 电机控制器，无刷（BLDC），3 相 评估套件:可供 输出数:1 电流 - 输出:100mA 电压 - 负载:5.25 V ~ 20 V 电源电压:5.25 V ~ 20 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-VQFN（7x7） 包装:剪切带 (CT) 其它名称:ATA6833-PLQWCT |
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| LT3572EUF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Full-Bridge Piezo Driver with 900mA Boost Converter |
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