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LTC3833IFE#TRPBF

更新时间： 2024-01-10 08:54:52
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
36页 512K
描述
LTC3833 - Fast Accurate Step-Down DC/DC Controller with Differential Output Sensing; Package: TSSOP; Pins: 20; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3833IFE#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：TSSOP包装说明：HTSSOP, TSSOP20,.25
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
最大输入电压：38 V最小输入电压：4.5 V
标称输入电压：15 VJESD-30 代码：R-PDSO-G20
JESD-609代码：e3长度：6.5 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标称输出电压：5.3 V
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：225
认证状态：Not Qualified座面最大高度：1.2 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：2000 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：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

LTC3833IFE#TRPBF 数据手册

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LTC3833  
Fast Accurate Step-Down  
DC/DC Controller with  
Differential Output Sensing  
DESCRIPTION  
FEATURES  
The LTC®3833 is a synchronous step-down DC/DC  
switching regulator controller targeted for high power  
applications. It drives all N-channel power MOSFETs. The  
controlledon-timevalleycurrentmodearchitectureallows  
for both fast transient response and constant frequency  
n
Wide V Range: 4.5V to 38V  
OUT  
Output Accuracy: 0.ꢀ5ꢁ at ꢀ5ꢂ° and 0.6ꢃꢁ  
over Temperature  
Differential Output Sensing Allowing Up to 500mV  
Line Loss  
Fast Load Transient Response  
IN  
n
V
Range: 0.6V to 5.5V  
n
n
switching in steady-state operation, independent of V ,  
IN  
n
n
n
V
OUT  
and load current.  
t
= ꢀ0ns, t  
= 90ns  
ON(MIN)  
OFF(MIN)  
Differential output voltage sensing along with a precision  
internal reference combine to offer ±±.ꢀ67 output regula-  
tion and the ability to correct for up to ±ꢁ±±mV variations  
in the output terminals due to line losses. The operating  
frequency can be programmed from 2±±kHz to 2MHz with  
anexternalresistorandcanbesynchronizedtoanexternal  
clock for noise and EMI sensitive applications.  
°ontrolled On-Time Valley °urrent Mode  
Architecture  
n
Frequency Programmable from ꢀ00kHz to ꢀMHz  
and Synchronizable to External °lock  
n
n
n
n
n
n
R
or Inductor DCR Current Sensing  
SENSE  
Overvoltage Protection and Current Limit Foldback  
Power Good Output Voltage Monitor  
Very low t and t times allow for near ±7 and near  
Output Tracking or Adjustable Soft-Start  
ON  
OFF  
1±±7dutycycles,respectively.Programmablesoft-startor  
outputvoltagetrackingisavailable.Safetyfeaturesinclude  
outputovervoltageprotection,programmablecurrentlimit  
with foldback, and a power good output signal.  
External V Input for Bypassing Internal LDO  
CC  
2±-Pin QFN (3mm × 4mm) and TSSOP Packages  
APPLICATIONS  
n
L, LT, LTC, LTM, OPTI-LOOP, PolyPhase, µModule, Linear Technology and the Linear logo  
Distributed Power Systems  
are registered trademarks and Hot Swap, No R  
and UltraFast are trademarks of Linear  
SENSE  
n
Point-of-Load Converters  
Technology Corporation. All other trademarks are the property of their respective owners.  
Protected by U.S. Patents, including ꢁ481168, ꢁ486ꢁꢁ4, ꢀꢁ8±2ꢁ8, ꢀ3±4±ꢀꢀ, ꢀ46ꢀꢁ89,  
ꢀ664ꢀ11.  
n
Computing Systems  
Datacomm Systems  
n
TYPICAL APPLICATION  
1.5V, ꢀ0A, 300kHz High °urrent Step-Down °onverter  
INTV  
CC  
Efficiency  
V
IN  
4.5V TO 14V  
V
V
IN  
RNG  
100  
90  
80  
70  
60  
50  
40  
180µF  
V
PULSE-SKIPPING  
MODE  
OUT  
–
SENSE  
SENSE  
100k  
+
PGOOD  
RUN  
0.1µF  
3.24k  
TG  
SW  
FORCED  
CONTINUOUS  
MODE  
LTC3833  
0.1µF  
0.47µH  
V
1.5V  
20A  
OUT  
TRACK/SS  
BOOST  
470pF  
15k  
0.1µF  
INTV  
CC  
4.7µF  
10k  
I
INTV  
CC  
330µF  
TH  
137k  
×2  
RT  
10k  
EXTV  
CC  
BG  
V
V
= 12V  
IN  
OUT  
= 1.5V  
SGND  
PGND  
300kHz  
0.1  
1
10  
100  
MODE/PLLIN  
+
V
V
OSNS  
OSNS  
LOAD CURRENT (A)  
3833 TA01a  
–
3833 TA01b  
3833f  
1
1234567...36

中文翻译

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LTC3833IFE#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3833IFE#PBF Linear

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