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LTC3834IDHC-1-TRPBF PDF预览

LTC3834IDHC-1-TRPBF

更新时间: 2024-02-08 23:58:34
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
28页 291K
描述
30μA IQ Synchronous Step-Down Controller

LTC3834IDHC-1-TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:HVSON, SOLCC16,.12,20
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.16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:36 V最小输入电压:4 V
标称输入电压:12 VJESD-30 代码:R-PDSO-N16
JESD-609代码:e3长度:5 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:3 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:SOLCC16,.12,20封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:650 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
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

LTC3834IDHC-1-TRPBF 数据手册

 浏览型号LTC3834IDHC-1-TRPBF的Datasheet PDF文件第2页浏览型号LTC3834IDHC-1-TRPBF的Datasheet PDF文件第3页浏览型号LTC3834IDHC-1-TRPBF的Datasheet PDF文件第4页浏览型号LTC3834IDHC-1-TRPBF的Datasheet PDF文件第5页浏览型号LTC3834IDHC-1-TRPBF的Datasheet PDF文件第6页浏览型号LTC3834IDHC-1-TRPBF的Datasheet PDF文件第7页 
LTC3834-1  
30μA I Synchronous  
Q
Step-Down Controller  
U
FEATURES  
DESCRIPTIO  
TheLTC®3834-1isahighperformancestep-downswitch-  
ing regulator controller that drives an all N-channel syn-  
chronous power MOSFET stage. A constant-frequency  
current mode architecture allows a phase-lockable fre-  
quency of up to 650kHz.  
Wide Output Voltage Range: 0.8V V OUT 10V  
Low Operating IQ: 30μA  
OPTI-LOOP® Compensation Minimizes COUT  
1ꢀ Output Voltage Accuracy  
Wide VIN Range: 4V to 36V  
Phase-Lockable Fixed Frequency 140kHz to 650kHz  
The 30μA no-load quiescent current extends operating  
life in battery powered systems. OPTI-LOOP compen-  
sation allows the transient response to be optimized over  
a wide range of output capacitance and ESR values. The  
LTC3834-1 featuresaprecision0.8Vreference. The4Vto  
36V input supply range encompasses a wide range of bat-  
tery chemistries.  
Dual N-Channel MOSFET Synchronous Drive  
Very Low Dropout Operation: 99% Duty Cycle  
Adjustable Output Voltage Soft-Start or Tracking  
Output Current Foldback Limiting  
Output Overvoltage Protection  
Low Shutdown IQ: 4μA  
Selectable Continuous, Pulse-Skipping or  
Burst Mode® Operation at Light Loads  
The TRACK/SS pin ramps the output voltage during start-  
up. Current foldback limits MOSFET heat dissipation  
during short-circuit conditions. An enhanced feature set  
part (LTC3834) is available.  
Small 16-Lead Narrow SSOP or 5mm × 3mm  
DFN Package  
U
Comparison of LTC3834 and LTC3834-1  
CLKOUT/  
APPLICATIO S  
Automotive Systems  
PART #  
PHASMD  
EXTV  
PGOOD  
PACKAGES  
CC  
Telecom Systems  
LTC3834  
LTC3834-1  
YES  
YES  
NO  
YES  
FE20/4 × 5 QFN  
GN16/3 × 5 DFN  
Battery-Operated Digital Devices  
Distributed DC Power Systems  
NO  
NO  
, LT, LTC, LTM, Burst Mode, PolyPhase and OPTI-LOOP are registered trademarks of  
Linear Technology Corporation. All other trademarks are the property of their respective  
owners. Protected by U.S. Patents, including 5408150, 5481178, 5705919, 5929620,  
6304066, 6498466, 6580258, 6611131.  
U
TYPICAL APPLICATIO  
Efficiency and Power Loss  
vs Load Current  
High Efficiency Step-Down Converter  
10000  
1000  
100  
10  
100  
90  
PLLLPF  
V
IN  
V
IN  
4V TO 36V  
10μF  
RUN  
TG  
0.01μF  
80  
0.22μF  
TRACK/SS  
70  
BOOST  
SW  
3.3μH  
V
OUT  
0.012Ω  
I
TH  
3.3V  
5A  
60  
50  
560pF  
54.2k  
LTC3834-1  
150pF  
40  
30  
20  
10  
SGND  
PLLIN/MODE  
INTV  
CC  
150μF  
4.7μF  
68.1k  
V
FB  
BG  
1
+
SENSE  
SENSE  
215k  
PGND  
0
0.1  
0.000001  
0.0001  
0.01  
1
OUTPUT CURRENT (A)  
38341 TA01  
38341 TA01b  
38341f  
1

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