参数资料
型号: LT1912EMSE#TRPBF
厂商: Linear Technology
文件页数: 2/24页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 10MSOP
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.79 V ~ 20 V
输入电压: 3.6 V ~ 36 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 500kHz
电流 - 输出: 2A
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-MSOP
LT1912
ABSOLUTE MAXIMUM RATINGS
(Note 1)
3
8 FB
SW
BOOST 2 9 V C
FB
8
3
SW
N/C
7
4
V IN
V IN ,RUN/SSVoltage.................................................36V
BOOST Pin Voltage ...................................................56V
BOOST Pin Above SW Pin.........................................30V
FB, RT, V C Voltage.......................................................5V
BD, SYNC Voltage .....................................................30V
PIN CONFIGURATION
TOP VIEW
BD 1 10 R T
BOOST 2 9 V C
11
GND
V IN 4 7 N/C
RUN/SS 5 6 SYNC
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
JA = 45°C/W, JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
Operating Junction Temperature Range (Note 2)
LT1912E ............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSE Only .......................................................... 300°C
TOP VIEW
BD 1 10 R T
11
GND
RUN/SS 5 6 SYNC
MSE PACKAGE
10-LEAD PLASTIC MSOP
JA = 45°C/W, JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT1912EDD#PBF
LT1912EMSE#PBF
TAPE AND REEL
LT1912EDD#TRPBF
LT1912EMSE#TRPBF
PART MARKING
LDJT
LTDJS
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 10V, V RUN/SS = 10V, V BOOST = 15V, V BD = 3.3V unless otherwise
noted. (Note 2)
PARAMETER
Minimum Input Voltage
Quiescent Current from V IN
Quiescent Current from BD
Minimum Bias Voltage (BD Pin)
CONDITIONS
V RUN/SS = 0.2V
V BD = 3V, Not Switching
V BD = 0, Not Switching
V RUN/SS = 0.2V
V BD = 3V, Not Switching
V BD = 0, Not Switching
l
l
l
MIN
TYP
3
0.01
450
1.3
0.01
0.9
1
2.7
MAX
3.6
0.5
600
1.7
0.5
1.3
5
3
UNITS
V
μA
μA
mA
μA
mA
μA
V
1912fa
2
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