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LM2611BMF/NOPB PDF预览

LM2611BMF/NOPB

更新时间: 2024-11-24 11:10:07
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管转换器
页数 文件大小 规格书
29页 811K
描述
1.4MHz Cuk 转换器 | DBV | 5 | -40 to 125

LM2611BMF/NOPB 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOT-23
包装说明:LSSOP,针数:5
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:1.52模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:14 V最小输入电压:2.7 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G5
JESD-609代码:e3长度:2.9 mm
湿度敏感等级:1功能数量:1
端子数量:5最高工作温度:125 °C
最低工作温度:-40 °C最小输出电压:-1.23 V
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260座面最大高度:1.45 mm
表面贴装:YES切换器配置:BUCK-BOOST
最大切换频率:1400 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:1.6 mm
Base Number Matches:1

LM2611BMF/NOPB 数据手册

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LM2611  
SNOS965J JUNE 2001REVISED DECEMBER 2015  
LM2611 1.4-MHz Cuk Converter  
1 Features  
3 Description  
The LM2611 is a current mode, PWM inverting  
1
1.4-MHz Switching Frequency  
Low RDS(ON) DMOS FET  
switching regulator. Operating from a 2.7-V to 4-V  
supply, it is capable of producing a regulated  
negative output voltage of up to (36 VIN(MAX)). The  
LM2611 utilizes an input and output inductor, which  
enables low voltage ripple and RMS current on both  
the input and the output. With a switching frequency  
of 1.4 MHz, the inductors and output capacitor can be  
physically small and low cost. High efficiency is  
achieved through the use of a low RDS(ON) FET.  
1-mVp-p Output Ripple  
5 V at 300 mA From 5-V Input  
Better Regulation Than a Charge Pump  
Uses Tiny Capacitors and Inductors  
Wide Input Range: 2.7 V to 14 V  
Low Shutdown Current: <1 µA  
5-Pin SOT-23 Package  
The LM2611 features a shutdown pin, which can be  
activated when the part is not needed to lower the Iq  
and save battery life. A negative feedback (NFB) pin  
provides a simple method of setting the output  
voltage, using just two resistors. Cycle-by-cycle  
current limiting and internal compensation further  
simplify the use of the LM2611.  
2 Applications  
MR Head Bias  
Digital Camera CCD Bias  
LCD Bias  
The LM2611 is available as a small 5-pin, SOT-23  
package and comes in two grades. Grade A has a  
1.2-A current limit and 0.5-Ω RDS(ON), and Grade B  
GaAs FET Bias  
Positive to Negative Conversion  
has a 0.9-A current limit and 0.7-Ω RDS(ON)  
.
Device Information(1)  
PART NUMBER  
LM2611  
PACKAGE  
BODY SIZE (NOM)  
SOT-23 (5)  
1.60 mm × 2.90 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Typical Application Circuit  
C
L2  
47 mH  
L1  
15 mH  
CUK  
V
- 5V  
OUT  
300 mA  
1 mF  
V
IN  
5V  
5
1
R
FB1  
C
FF  
29.4k  
V
SW  
330 pF  
IN  
D
C
IN  
4
3
C
OUT  
LM2611A NFB  
SHDN  
22 mF  
22 mF  
GND  
2
R
FB2  
10k  
C
C
C
: TAIYO YUDEN X5R JMK325BJ226MM  
IN  
: TAIYO YUDEN X5R EMK316BJ105MF  
: TAIYO YUDEN X5R JMK325BJ226MM  
CUK  
OUT  
D: ON SEMICONDUCTOR MBR0520  
L1: SUMIDA CR32-150  
L2: SUMIDA CR32-470  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 

LM2611BMF/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM2611BMFX/NOPB TI

完全替代

1.4MHz Cuk 转换器 | DBV | 5 | -40 to 125

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