参数资料
型号: LT1947EMS#TR
厂商: Linear Technology
文件页数: 2/12页
文件大小: 0K
描述: IC SW REG TFT-LCD TRPL ADJ10MSOP
标准包装: 2,500
应用: 转换器,TFT,LCD
输入电压: 2.7 V ~ 8 V
输出数: 3
输出电压: 最高可调至 30V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 带卷 (TR)
其它名称: LT1947EMSTR
LT1947
ABSOLUTE
AXI U
RATI GS
(Note 1)
V IN Voltage ................................................................ 8V
C T Voltage.................................................................. 6V
SW1, SW2 Voltage .................................................. 36V
V ON , V O2 Voltage ..................................................... 30V
PACKAGE/ORDER I FOR ATIO
ORDER PART
FB1, FB2 .................................................................... 3V
SHDN......................................................................... 8V
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
ORDER PART
TOP VIEW
NUMBER
TOP VIEW
NUMBER
FB1
FB2
C T
SW1
1
2
3
4
11
10
9
8
7
V ON
V 02
SHDN
SW2
LT1947EMSE
FB1
FB2
C T
SW1
1
2
3
4
10
9
8
7
V ON
V O2
SHDN
SW2
LT1947EMS
GND
5
6
V IN
GND
5
6
V IN
MSE PACKAGE
10-LEAD PLASTIC MSOP
EXPOSED PAD (PIN 11) IS GND
MUST BE SOLDERED TO PCB
T JMAX = 125 ° C, θ JA = 40 ° C/W
MSE PART MARKING
LTBQW
MS PACKAGE
10-LEAD PLASTIC MSOP
T JMAX = 125 ° C, θ JA = 120 ° C/W
MS PART MARKING
LTUE
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 = 3.3V, V SHDN = 3.3V unless otherwise specified.
SYMBOL
Input Voltage Range
Supply Current
CONDITIONS
SHDN = 2.4V
MIN
2.7
TYP
9.5
MAX
8
12.5
UNITS
V
mA
SHDN = 0V
1
μ A
FB1 Voltage
FB2 Voltage
Reference Line Regulation
V IN = 2.7V to 8V
1.240
1.225
1.225
1.210
1.26
1.26
0.01
1.280
1.295
1.295
1.310
0.05
V
V
V
V
%/V
1947fa
2
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