参数资料
型号: LT3571EUD#TRPBF
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC REG BOOST ADJ 0.47A 16QFN
产品培训模块: APD Biasing
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 最高 75V
输入电压: 2.7 V ~ 20 V
PWM 型: 电流/电压模式
频率 - 开关: 250kHz ~ 2MHz
电流 - 输出: 470mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 16-QFN-EP(3x3)
LT3571
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Voltage (V IN ), SHDN ........................................20V
PIN CONFIGURATION
TOP VIEW
V OUT , MONIN, APD....................................................75V
MON..........................................................................12V
SW ............................................................................75V
CTRL, FB, SYNC ..........................................................5V
NC 1
APD 2
MONIN 3
16 15 14 13
17
12 SHDN
11 V IN
10 GND
R T , V REF ...................................................................1.5V
V OUT 4
9
R T
Operating Ambient Temperature Range
5
6
7
8
(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
ORDER INFORMATION
UD PACKAGE
16-LEAD (3mm 3mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 68°C/W, θ JC = 4.2°C/W (NOTE 2)
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3571EUD#PBF
LT3571IUD#PBF
TAPE AND REEL
LT3571EUD#TRPBF
LT3571IUD#TRPBF
PART MARKING*
LDTN
LDTN
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges. *The temperature grade is identi?ed 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 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 are at T A = 25°C, V IN = 3V, V SHDN = 3V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operating Voltage
Maximum Operating Voltage
2.7
20
V
V
Supply Current
V FB = 1.3V, Not Switching
V SHDN = 0V
1.7
0.1
2.2
0.5
mA
μA
Feedback Voltage
Feedback Line Regulation
Current Sense Voltage (V OUT – V MONIN )
FB Pin Bias Current
V REF Pin Voltage
V REF Pin Line Regulation
V CTRL = 1.25V, V OUT = V MONIN
2.7V < V IN < 20V
V OUT = 30V
V FB = 0V
I REF = –100μA
2.7V < V IN < 20V
l
l
l
l
0.985
0.97
185
1.200
1
0.03
200
60
1.222
0.03
1.015
1.03
0.07
215
100
1.240
0.07
V
V
%/V
mV
nA
V
%V
R T Voltage
1
V
SYNC Resistance to GND
SYNC Input Low
SYNC Input High
V SYNC = 2V
1.5
45
0.4
V
V
3571fa
2
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