特殊应用标准产品(ASSP)

电池充电器解决方案(5)
输出电流计IC
DDR存储器电源(VDD/VDDO)稳压器(4)
DDR存储器终端(VTI)与参考(VREF)控制器
热插拔控制器(3)
均流控制器
移动 I/O 配件(2)
为RF功率放大器供电(6)
乙太网供电(PoE)解决方案(4)
USB保护开关(3)
电池充电器解决方案(5)
Base Part Number Full Charge Vmax Input Min Voltage Input Max Voltage Battery Cells Battery Chemistry Charge Current Charge Modes On/Off Pin Special Features Full Charge Vmin Error Flag Adjustable Output Voltage Fault Protection Output Current RegType Temperature Min Temperature Max PowerWise
LM3658 4.2 4.35 6 1 cell Li-Ion or Li-Polymer 500 to 1000mA (Wall) or 100 or 500mA (USB) Prequal, CC, CV, top-off, maintenance Yes Accepts either AC wall adapter (VinMin=4.5V) or USB power source (VinMin=4.35V), includes battery temperature monitoring, LDO mode and 5-hour timer| Accepts either AC wall adapter (VinMin=4.5V) or USB power source (VinMin=4.35V), includes battery temperature monitoring, Selectable timer| Accepts either AC wall adapter (VinMin=4.5V) or USB power source (VinMin=4.35V), includes battery temperature monitoring, LDO mode 4.2 No No No 1000 Linear/LDO Controller -40 85  
LP3921 4.2 3 5.5 1 cell Li-Ion 100mA default, programmable 50-950mA CC, CV, maintenance Yes Li-Ion battery charger, Boomer Audio Amp 4.1 No Yes Yes 100 LDO -40 85 Undefined
LP3947 4.2 4.3 6 1 cell Li-Ion 100 to 750mA (wall), 100 or 500mA (USB) Prequal, CC, CV, maintenance Yes Accepts either AC adapter or USB power source, includes battery temperature monitoring, LDO mode, safety timer, charge status indicator 4.1 No Yes No 750 Linear/LDO Controller -40 85 Yes
LM3622 8.2| 4.1 4.5 24 1 or 2 cells Li-Ion Depends on external transistor - drive current is 25mA CC, CV No Analog CC/CV control, 0.7% tolerance, low-voltage battery detection, coke and graphic anode versions available| Analog CC/CV control, 1.2% tolerance, low-voltage battery detection, coke and graphic anode versions available 8.2| 4.1 Yes No Yes Undefined Linear/LDO Controller -20 85  
LM3420 8.4| 8.2 Undefined 20 2 cell Li-Ion   CC, CV No 0.5% tolerance| 1% tolerance 8.4| 8.2 No Yes No Undefined Linear/LDO Controller -40 125  

 

输出电流计IC(3)
Base Part Number Sense Current Range (+/-) Sense Element Resistance Sense Accuracy Sensing Type Sampling Interval Input Min Voltage Input Max Voltage Iq in Shutdown (typ) Switching Frequency Watchdog On/Off Pin Temperature Min Temperature Max RegType PowerWise
LM3824 2| 1 0.003 3| 6 High side 0.006 2 5.25 0.0018 0.16 No Yes -40 85 Current Gauge  
LM3814 7| 1v 0.004 3.5| 6 High side 0.006 2 5.25 0.0025 0.16 No Yes -40 125 Current Gauge  
LM3815 7| 1 0.004 3.5| 6 Low side 0.006 2 5.25 0.0025 0.16 No Yes -40 125 Current Gauge  

 

DDR存储器电源(VDD/VDDQ)稳压器(4)
Base Part Number Topology Output Current Input Min Voltage Input Max Voltage Output Min Frequency Min Frequency Max OtherSupply Voltage On/Off Pin Lossless Current Sense Error Flag Special Features RegType Temperature Min Temperature Max PowerWise
LM2737 Buck 20000 2.2 16 0.6 50 2000 4.5V to 5.5V Yes Yes Yes Suspend to disk shutdown Switching Controller -40 125  
LM2745 Buck 20000 1 17 0.6 50 1000 3.0V to 6.0V Yes Yes Yes Pre-bias startup; 40ns min on-time Switching Controller -40 125 Yes
LM27241 Synchronous Buck 16000 5.5 28 0.6 200 500   Yes Yes Yes Selectable pulse-skip mode for high efficiency at light load Switching Controller -5 125  
LM2727 Synchronous Buck 20000 2.2 16 0.6 50 2000 4.5V to 5.5V Yes Yes Yes UVLO; UVP; Suspend to disk shutdown Switching Controller 0 125  

 

DDR存储器终端(VTI)与参考(VREF)控制器(5)
Base Part Number Output Current RegType Input Min Voltage Input Max Voltage Standards Frequency Min Frequency Max External Components Independent Power/Analog Rails On/Off Pin Reference Output Thermal Protection Special Features Error Flag Quiescent Current Temperature Min Temperature Max PowerWise
LP2997 500 LDO 2.2 5.5 DDR-II Undefined Undefined 3 Yes Yes 1.25 Yes Suspend to RAM shutdown No 0.32 0 125  
LP2995 1500 LDO 2.2 5 DDR Undefined Undefined 3 No No 1.25 No   No 0.25 0 125  
LP2996 1500 LDO 1.5 5.5 DDR, DDR-II Undefined Undefined 3 No Yes 1.25 Yes Suspend to RAM shutdown No 0.32 0 125  
LP2998 1500 LDO 1.5 5.5 DDR, DDR-II Undefined Undefined 3   Yes 0.9 Yes Suspend to RAM shutdown No   -40 125  
LM2744 20000 Switching Controller 1 16 DDR, DDR-II 50 2000 4 Yes Yes Undefined No External Vref version of LM2743 for ultra-high accuracy; Tracking; Sequencing Yes 1.5 -40 125 Yes

 

热插拔控制器(3)
Base Part Number Input Min Voltage Input Max Voltage Fault Latch/Retry PWRGD Output In-Rush Current Limit Active CurrentLimit Comparator Current Limit Overvoltage Protection Power Limiting Temperature Min Temperature Max RegType PowerWise
LM5068 -90 -10 latch-off| auto retry active high| active low Active Yes Yes Yes No -40 105 Hot Swap Controller  
LM5067 -80 -9 latch-off| auto retry active high Active Yes Yes Yes Yes -40 125 Hot Swap Controller  
LM5069 9 100 latch-off| auto retry active high Active Yes Yes Yes Yes -40 125 Hot Swap Controller  

 

均流控制器(1)
Base Part Number Topology Input Min Voltage Input Max Voltage Share Methods RegType Temperature Min Temperature Max
LM5080 Average Program Current Share 3 14 Remote Sense +, Remote Sense -, Trim, Feedback LDO -40 155

 

移动 I/O 配件(2)
Base Part Number Max Keypad Special Function Keys Key Debounce GPIOs External Interrupts Input Min Voltage Input Max Voltage Host Interface Type Host Interface Bus Speed Special Features Access BUS/I2C Address Watchdog FIFO Buffer PWM Outputs Wakeup On-Chip Oscillator External Clock Input On-Chip Power-on-Reset RegType Temperature Min Temperature Max PowerWise
LM8333 72 8 Yes 4 2 2.25 2.75 Access Bus/I2C 400000 PWM outputs are multiplexed 1 Yes 16 1 Yes Yes No Yes Mobile IO Companion -40 85  
LM8322 104 8 Yes 16, Multiplexed 0 1.62 1.98 Access Bus/I2C 400000 PWM outputs are multiplexed 4 Yes 16 3 Yes Yes Yes Yes Mobile IO Companion -40 85  

 

为RF功率放大器供电(6)
Base Part Number Output Min Output Max Output Current Input Min Voltage Input Max Voltage PowerWise Technology Adjustable Output Output Range Bypass Modes SoftStart Softstart Enable On/Off Pin Switching Frequency Adj Switch Frequency Sync Pin Efficiency (peak) Topology Step-Down RegType Temperature Min Temperature Max PowerWise
LM3200 0.8 3.6 500 2.7 5.5 Adaptive RF Power Yes 0.8V to 3.6V Forced and Automatic No Undefined Yes 2000 No No 96 Buck Yes Switching Regulator -25 85 Yes
LM3203 0.8 3.6 500 2.7 5.5 Adaptive RF Power Yes 0.8 to 3.6V Forced Yes 50 Yes 2000 No No 96 Buck Yes Switching Regulator -30 85 Yes
LM3204 0.8 3.6 500 2.7 5.5 Adaptive RF Power Yes 0.8V to 3.6V Forced and Automatic Yes 50 Yes 2000 No No 96 Buck Yes Switching Regulator -30 85 Yes
LM3205 0.8 3.6 650 2.7 5.5 Adaptive RF Power Yes 0.8V to 3.6V None Yes 50 Yes 2000 No No 96 Buck Yes Switching Regulator -30 85 Yes
LM3207 0.8 3.6 650 2.7 5.5 Adaptive RF Power Yes Undefined   No   Yes Undefined No No 95 Synchronous Buck Yes LDO -30 85 Yes
LM3208 0.8 3.6 650 2.7 5.5 Adaptive RF Power Yes 0.8V to 3.6V None Yes 40 Yes 2000 No No 95 Buck Yes Switching Regulator -30 85 Yes

 

乙太网供电(PoE)解决方案(4)
Base Part Number Output Power Output Range Error Flag Input Min Voltage Input Max Voltage Frequency Min Frequency Max Reference Accuracy (+/-) Current Draw with AUX Winding (typ) Special Features On/Off Pin Adjustable Output Output Min Adj Switch Frequency Efficiency (peak) Topology Flyback Inverting Step-Up Step-Down RegType Temperature Min Temperature Max PowerWise
LM5070 13 1.25V and above No 1.8 75 50 1000 2 0.7 Fully compliant IEEE 802.3af PD interface, error amplifier for non-isolated designs, leading edge blanking, high current gate drive Yes Yes 1.25 Yes 90.5 Single Ended Yes Yes Yes Yes Switching Controller -40 125 Yes
LM5071 13 1.25 and above Yes 1.8 60 50 1000 2 0.7 Auxiliary power interface, Fully compliant IEEE 802.3af PD interface, Error amplifier for non-isolated designs, leading edge blanking, high current gate drive Yes Yes 1.25 Yes 85 Single Ended Yes Yes Yes Yes Switching Controller -40 125 Yes
LM5072 25 1.25V and above Yes 9 100 50 1000 2 0.7 100V PD hot swap MOSFET, adjustable DC current limit, Auxiliary power interface Yes Yes 1.25 Yes 85 Single Ended Yes Yes Yes Yes Switching Controller -40 125 Yes
LM5073 25 Undefined Undefined 9 100 Undefined Undefined Undefined Undefined IEEE 802.3af Compliant PD Interface, High Power PD Interface, 100V Hot Swap MOSFET,Adjustable DC Current Limit, Aux Power Interface Undefined Undefined Undefined Undefined Undefined Any DC-DC Converter Toplogy Yes Yes Yes Yes Hot Swap Controller -40 125 Yes

 

USB保护开关(3)
Base Part Number Channels Switch On Resistance Output Current Quiescent Current Input Min Voltage Input Max Voltage Enable Control Temperature Min Temperature Max RegType PowerWise 数据手册DataSheet下载
LM3525 1 0.08 500 0.001 2.7 5.5 Active High| Active Low -40 125 Switch   LM3525
LM3526 2 0.1 500 0.001 2.7 5.5 Active High| Active Low -40 125 Switch   LM3526
LM3544 4 0.09 500 0.001 2.7 5.5 Active Low -40 125 Switch   LM3544