参数资料
型号: LT3581EMSE#PBF
厂商: Linear Technology
文件页数: 36/36页
文件大小: 0K
描述: IC REG MULTI CONFIG ADJ 16MSOP
标准包装: 37
类型: 升压(升压),反相,回扫,Sepic
输出类型: 可调式
输出数: 1
输出电压: 1.22 V ~ 42 V
输入电压: 2.5 V ~ 22 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 2.5MHz
电流 - 输出: 3.3A
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-TFSOP(0.118",3.00mm 宽)裸露焊盘
包装: 管件
供应商设备封装: 16-MSOP,裸露焊盘
LT3581
TYPICAL APPLICATION
5V to –12V Inverting Converter Switches at 2MHz
L1
3.3μH
V IN
V IN
5V
C1
3.3μF
43.2k
100k
C2
1μF
SW1 SW2
LT3581 FB
SHDN GATE
FAULT CLKOUT
RT V C
SYNC SS
GND
L2
3.3μH
D1
143k
47pF
0.1μF
11k
1nF
3581 TA05a
V OUT
–12V
625mA
C3
4.7μF
90
85
80
75
70
65
60
55
50
0
Efficiency and Power Loss
125 250 375 500
2000
1800
1600
1400
1200
1000
800
600
400
200
0
625
C1: 3.3μF, 16V, X7R, 1206
C2: 1μF, 25V, X7R, 1206
C3: 4.7μF, 25V, X7R, 1206
D1: DIODES INC. PD3S230H-7
L1, L2: COILCRAFT MSD7342-332MLB
RELATED PARTS
LOAD CURRENT (mA)
3581 TA05b
PART NUMBER
DESCRIPTION
2A (I SW ), 2.5MHz, High Efficiency Step-Up DC/DC Converter
Dual Output 1.3A (I SW ), 1.2MHz, High Efficiency Step-Up DC/DC
Converter
40V, 3A, Full Featured DC/DC Converter with Soft-Start and Inrush
Current Protection
40V, 3A, Full Featured DC/DC Converter
COMMENTS
V IN = 2.5V to 32V, V OUT(MAX) = 42V, I Q = 1mA, I SD < 1μA,
3mm × 3mm DFN-8, MSOP-8E Packages
V IN = 2.4V to 16V, V OUT(MAX) = ±40V, I Q = 2.5mA, I SD < 1μA,
3mm × 3mm DFN-10 Package
V IN = 2.5V to 24V, V OUT(MAX) = 40V, I Q = Analog/PWM,
I SD < 1μA, DFN, TSSOP Packages
V IN = 2.5V to 25V, V OUT(MAX) = 40V, I Q = Analog/PWM,
I SD < 1μA, QFN, TSSOP-20E Packages
LT1946/LT1946A 1.5A (I SW ), 1.2MHz/2.7MHz, High Efficiency Step-Up DC/DC Converter
V IN = 2.6V to 16V, V OUT(MAX) = 34V, I Q = 3.2mA, I SD < 1μA,
MS8E Package
2A (I SW ), 40V, 1.2MHz, High Efficiency Step-Up DC/DC Converter
2A (I SW ), 40V, 1.2MHz, High Efficiency Step-Up DC/DC Converter
3A (I SW ), 800kHz, 34V Step-Up DC/DC Converter
V IN = 2.3V to 16V, V OUT(MAX) = 40V, I Q = 3mA, I SD < 1μA,
ThinSOT Package
V IN = 2.3V to 16V, V OUT(MAX) = 40V, I Q = 3mA, I SD < 1μA,
ThinSOT Package
V IN = 3V to 25V, V OUT(MAX) = 34V, I Q = 0.9mA, I SD < 6μA,
TSSOP-16E Package
3581fa
1630 McCarthy Blvd., Milpitas, CA 95035-7417 For more (408) 432-1900 ● FAX : (408) 434-0507 Corporation information
LT 1113 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2010
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LT3581IDE#TRPBF 功能描述:IC REG MULTI CONFIG ADJ 14DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 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 裸露焊盘