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LT1683IG#PBF

更新时间： 2024-10-03 21:03:59
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
26页 401K
描述
LT1683 - Slew Rate Controlled Ultralow Noise Push-Pull DC/DC Controller; Package: SSOP; Pins: 20; Temperature Range: -40°C to 85°C

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中文翻译

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LT1683IG#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP, SSOP20,.3
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：3.4模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE最大输入电压：20 V
最小输入电压：2.7 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：7.2 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：0.3 A封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP20,.3
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：2 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：250 kHz温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：5.3 mm
Base Number Matches：1

LT1683IG#PBF 数据手册

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LT1683  
Slew Rate Controlled  
Ultralow Noise Push-Pull DC/DC Controller  
FEATURES  
DESCRIPTION  
n
TheLT®1683isaswitchingregulatorcontrollerdesignedto  
lowerconductedandradiatedelectromagneticinterference  
(EMI). Ultralow noise and EMI are achieved by controlling  
the voltage and current slew rates of external N-channel  
MOSFET switches. Current and voltage slew rates can  
be independently set to optimize harmonic content of  
the switching waveforms vs efficiency. The LT1683 can  
reduce high frequency harmonic power by as much as  
40dB with only minor losses in efficiency.  
Greatly Reduced Conducted and Radiated EMI  
n
n
Low Switching Harmonic Content  
Independent Control of Output Switch Voltage and  
Current Slew Rates  
n
n
n
n
n
n
Greatly Reduced Need for External Filters  
Dual N-Channel MOSFET Drivers  
20kHz to 250kHz Oscillator Frequency  
Easily Synchronized to External Clock  
Regulates Positive and Negative Voltages  
Easier Layout Than with Conventional Switchers  
The LT1683 utilizes a dual output (push-pull) current  
mode architecture optimized for low noise topologies.  
The IC includes gate drivers and all necessary oscillator,  
controlandprotectioncircuitry.Uniqueerrorampcircuitry  
canregulatebothpositiveandnegativevoltages.Theoscil-  
lator may be synchronized to an external clock for more  
accurate placement of switching harmonics.  
APPLICATIONS  
n
Power Supplies for Noise Sensitive Communication  
Equipment  
n
EMI Compliant Offline Power Supplies  
n
Precision Instrumentation Systems  
n
Isolated Supplies for Industrial Automation  
Protection features include gate drive lockout for low V ,  
IN  
n
Medical Instruments  
Data Acquisition Systems  
opposite gate lockout, soft-start, output current limit,  
short-circuitcurrentlimiting,gatedriveovervoltageclamp  
and input supply undervoltage lockout.  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
DirectSense is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
TYPICAL APPLICATION  
Ultralow Noise 48V to 5V DC/DC Converter  
48V  
510Ω  
0.5W  
39µF  
63V  
51k  
MIDCOM 31244  
FZT853  
10µF  
20V  
1N4148  
OPTIONAL  
MBR0530  
MBRS340  
B
A
5V/2A  
22µH  
22µH  
2N3904  
8.2V  
5V Output Noise  
150µF  
OS-CON  
2×100µF  
POSCAP  
68µF  
20V  
11V  
(Bandwidth = 100MHz)  
17  
3
GCL  
V
IN  
10pF  
200V  
5pF  
5pF  
23.2k  
14  
2
SHDN  
CAP A  
GATE A  
CAP B  
GATE B  
CS  
5
6
976Ω  
1.2nF  
MBRS340  
V5  
1
A
10pF  
200V  
SYNC  
200µVP-P  
200µV/DIV  
7
8
18  
19  
4
C
T
LT1683  
30pF  
16.9k  
R
T
B
Si9422  
30pF  
25k 3.3k  
25k 3.3k  
1.5k  
16  
15  
12  
Si9422  
20mV/DIV  
R
VSL  
0.1Ω  
R
20  
9
CSL  
PGND  
FB  
7.50k  
V
C
5µs/DIV  
1683 TA01a  
0.22µF 22nF  
SS GND NFB  
2.49k  
13 11 10  
10nF  
1683 TA01  
1683fd  
1
1234567...26

中文翻译

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LT1683IG#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LT1683IG Linear

完全替代

 Ultralow Noise Push-Pull DC/DC Controller
LT1683IG#TRPBF Linear

类似代替

 LT1683 - Slew Rate Controlled Ultralow Noise Push-Pull DC/DC Controller; Package: SSOP; Pi
LT1683EG Linear

类似代替

 Ultralow Noise Push-Pull DC/DC Controller

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LT1683IG#TRPBF Linear

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 		LT1683 - Slew Rate Controlled Ultralow Noise Push-Pull DC/DC Controller; Package: SSOP; Pi
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LT1684CS#PBF Linear

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LT1684CS#TRPBF Linear

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 		LT1684 - Micropower Ring Tone Generator; Package: SO; Pins: 14; Temperature Range: 0&d
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 		Micropower Ring Tone Generator
LT1684IN#PBF Linear

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 		LT1684 - Micropower Ring Tone Generator; Package: PDIP; Pins: 14; Temperature Range: -40&a

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