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LTC3704IMS#PBF

更新时间： 2024-11-06 13:09:47
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
28页 342K
描述
LTC3704 - Wide Input Range, No RSENSE Positive-to-Negative DC/DC Controller; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3704IMS#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP包装说明：TSSOP, TSSOP10,.19,20
针数：10Reach 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控制技术：PULSE WIDTH MODULATION
最大输入电压：36 V最小输入电压：2.5 V
标称输入电压：5 VJESD-30 代码：S-PDSO-G10
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：10最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：0.05 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP10,.19,20封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.1 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：SINGLE最大切换频率：1000 kHz
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3 mm
Base Number Matches：1

LTC3704IMS#PBF 数据手册

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LTC3704  
TM  
SENSE  
Wide Input Range, No R  
Positive-to-Negative DC/DC Controller  
U
FEATURES  
DESCRIPTIO  
The LTC®3704 is a wide input range, current mode,  
positive-to-negative DC/DC controller that drives an  
N-channel power MOSFET and requires very few external  
components.Intendedforlowtohighpowerapplications,  
it eliminates the need for a current sense resistor by  
utilizingthepowerMOSFET’son-resistance,therebymaxi-  
mizing efficiency.  
■
High Efficiency Operation (No Sense  
Resistor Required)  
■
Wide Input Voltage Range: 2.5V to 36V  
Current Mode Control Provides Excellent Transient  
Response  
High Maximum Duty Cycle (Typ 92%)  
±1% Internal Voltage Reference  
±2% RUN Pin Threshold with 100mV Hysteresis  
Micropower Shutdown: IQ = 10µA  
Programmable Switching Frequency  
(50kHz to 1MHz) with One External Resistor  
Synchronizable to an External Clock Up to 1.3 × fOSC  
User-Controlled Pulse Skip or Burst Mode® Operation  
Internal 5.2V Low Dropout Voltage Regulator  
Capable of Operating with a Sense Resistor for High  
Output Voltage Applications (VDS >36V)  
Small 10-Lead MUSOP Package  
■
■
■
■
■
■
The IC’s operating frequency can be set with an external  
resistorovera50kHzto1MHzrange, andcanbesynchro-  
nized to an external clock using the MODE/SYNC pin.  
Burst Mode operation at light loads, a low minimum  
operating supply voltage of 2.5V and a low shutdown  
quiescent current of 10µA make the LTC3704 ideally  
suited for battery-operated systems.  
■
■
■
■
For applications requiring constant frequency operation,  
the Burst Mode operation feature can be defeated using  
the MODE/SYNC pin. Higher than 36V switch voltage  
applicationsarepossiblewiththeLTC3704byconnecting  
the SENSE pin to a resistor in the source of the power  
MOSFET.  
■
APPLICATIO S  
■
SLIC Power Supplies  
Telecom Power Supplies  
■
The LTC3704 is available in the 10-lead MSOP package.  
■
Portable Electronic Equipment  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Burst Mode is a registered trademark of Linear Technology Corporation.  
No RSENSE is a trademark of Linear Technology Corporation.  
■
Cable and DSL Modems  
■
Router Supplies  
U
TYPICAL APPLICATIO  
V
IN  
5V to 15V  
•
Conversion Efficiency  
R1  
1M  
L1*  
V
OUT  
100  
90  
80  
70  
60  
50  
40  
30  
20  
–5.0V  
•
1
10  
9
3A to 5A  
RUN  
SENSE  
L2*  
2
C
V
IN  
= 5V  
DC  
47µF  
I
TH  
V
IN  
LTC3704  
INTV  
V
IN  
= 15V  
8
3
4
5
R
C
NFB  
C
OUT  
CC  
3k  
100µF  
7
6
M1  
FREQ  
GATE  
GND  
(X2)  
V
IN  
= 10V  
MODE/SYNC  
D1  
C
C1  
4.7nF  
R
80.6k  
1%  
T
C
C
VCC  
4.7µF  
IN  
47µF  
GND  
R
3.65k  
1%  
R
1.21k  
1%  
FB2  
FB1  
3704 TA01  
0.001  
10  
0.01  
0.1  
1.0  
OUTPUT CURRENT (A)  
C
, C : TDK C5750X5R1C476M  
D1: MBRD835L (ON SEMICONDUCTOR)  
L1, L2: BH ELECTRONICS BH510-1009  
M1: Si4884 (SILICONIX/VISHAY)  
3704 TA01b  
IN DC  
C
OUT  
C
VCC  
: TDK C5750X5R0J107M  
: TAIYO YUDEN LMK316BJ475ML  
Figure 1. High Efficiency Positive to Negative Supply  
sn3704 3704fs  
1
1234567...28

中文翻译

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LTC3704IMS#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3704EMS#PBF Linear

类似代替

 LTC3704 - Wide Input Range, No RSENSE Positive-to-Negative DC/DC Controller; Package: MSOP
LTC3704IMS#TRPBF Linear

类似代替

 LTC3704 - Wide Input Range, No RSENSE Positive-to-Negative DC/DC Controller; Package: MSOP
LTC3704EMS#TRPBF Linear

类似代替

 LTC3704 - Wide Input Range, No RSENSE Positive-to-Negative DC/DC Controller; Package: MSOP

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