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LT3482IUD#TRPBF PDF预览

LT3482IUD#TRPBF

更新时间: 2024-02-19 02:21:30
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
12页 184K
描述
LT3482 - 90V Boost DC/DC Converter with APD Bias Current Monitor; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C

LT3482IUD#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN, LCC16,.12SQ,20
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:2.92模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
控制模式:CURRENT-MODE最大输入电压:16 V
最小输入电压:2.5 V标称输入电压:3 V
JESD-30 代码:S-PQCC-N16JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装等效代码:LCC16,.12SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, 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:DOUBLER INVERTER最大切换频率:1300 kHz
技术:BIPOLAR温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LT3482IUD#TRPBF 数据手册

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LT3482  
90V Boost DC/DC  
Converter with APD  
Current Monitor  
U
DESCRIPTIO  
FEATURES  
The LT®3482 is a fixed frequency current mode step-up  
DC/DC converter with voltage doubler designed to bias  
avalanche photodiodes (APDs) in optical receivers. It can  
provide up to 90V output. The LT3482 features high side  
APD current monitoring with better than 10% relative ac-  
curacy over the entire temperature range. The integrated  
power switch, Schottky diodes and APD current monitor  
allow a small converter footprint and low solution cost.  
Constantswitchingfrequencyresultsinpredictableoutput  
noise that is easy to filter. The inductor-based topology  
ensures an input free from switching noise. An integrated  
high side current monitor produces a current proportional  
to APD current with better than 10% relative accuracy  
over four decades of dynamic range in the input range of  
250nA to 2.5mA. This current can be used as a reference  
to provide a digitally programmed output voltage via the  
CTRL pin. The LT3482 is available in the tiny footprint  
(3mm × 3mm) 16-lead QFN package.  
High Output Voltage: Up to 90V  
Integrated Schottky Diodes  
48V, 280mA Internal Switch  
High Side APD Current Monitor  
Adjustable Switching Frequency: 650kHz or 1.1MHz  
Wide V Range: 2.5V to 16V  
IN  
Surface Mount Components  
Low Shutdown Current: <1µA  
Soft-Start  
Internal Compensation  
CTRL Pin Allows Output Adjustment with No Polarity  
Inversion  
3mm × 3mm 16-Lead QFN Package  
U
APPLICATIO S  
APD Bias  
PIN Diode Bias  
Optical Receivers and Modules  
Fiber Optic Network Equipment  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
0.1µF  
10µH  
V
IN  
5V  
Output Voltage Ripple  
SW  
PUMP  
1µF  
V
f
MONIN  
IN  
LT3482  
SET  
OFF ON  
V
V
SHDN  
OUT2  
V
APD  
0.47µF  
0.47µF  
RIPPLE  
1M  
0.1µF  
CTRL  
GND  
OUT1  
FB  
100 V/DIV  
85V  
AT 2.5mA  
MON  
APD  
14k  
10k  
0.1µF  
3482 TA01b  
10nF  
500ns/DIV  
3482 TA01a  
3482fa  
1

LT3482IUD#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LT3482IUD#PBF Linear

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