STMicroelectronics 제품

STW75N20

STMicroelectronics

MOSFET N-CH 200V 75A TO-247

• FET Type: N-Channel
• Technology: MOSFET (Metal Oxide)
• Drain to Source Voltage (Vdss): 200V
• Current - Continuous Drain (Id) @ 25°C: 75A (Tc)
• Drive Voltage (Max Rds On, Min Rds On): 10V
• Vgs(th) (Max) @ Id: 4V @ 250µA
• Gate Charge (Qg) (Max) @ Vgs: 84nC @ 10V
• Input Capacitance (Ciss) (Max) @ Vds: 3260pF @ 25V
• Vgs (Max): ±20V
• FET Feature: -
• Power Dissipation (Max): 190W (Tc)
• Rds On (Max) @ Id, Vgs: 34 mOhm @ 37A, 10V
• Operating Temperature: -50°C ~ 150°C (TJ)
• Mounting Type: Through Hole
• Supplier Device Package: TO-247-3
• Package / Case: TO-247-3

패키지: TO-247-3

STW12NK90Z

STMicroelectronics

MOSFET N-CH 900V 11A TO-247

• FET Type: N-Channel
• Technology: MOSFET (Metal Oxide)
• Drain to Source Voltage (Vdss): 900V
• Current - Continuous Drain (Id) @ 25°C: 11A (Tc)
• Drive Voltage (Max Rds On, Min Rds On): 10V
• Vgs(th) (Max) @ Id: 4.5V @ 100µA
• Gate Charge (Qg) (Max) @ Vgs: 152nC @ 10V
• Input Capacitance (Ciss) (Max) @ Vds: 3500pF @ 25V
• Vgs (Max): ±30V
• FET Feature: -
• Power Dissipation (Max): 230W (Tc)
• Rds On (Max) @ Id, Vgs: 880 mOhm @ 5.5A, 10V
• Operating Temperature: -55°C ~ 150°C (TJ)
• Mounting Type: Through Hole
• Supplier Device Package: TO-247-3
• Package / Case: TO-247-3

패키지: TO-247-3

STN3N45K3

STMicroelectronics

MOSFET N-CH 450V 0.6A SOT-223

• FET Type: N-Channel
• Technology: MOSFET (Metal Oxide)
• Drain to Source Voltage (Vdss): 450V
• Current - Continuous Drain (Id) @ 25°C: 600mA (Tc)
• Drive Voltage (Max Rds On, Min Rds On): 10V
• Vgs(th) (Max) @ Id: 4.5V @ 50µA
• Gate Charge (Qg) (Max) @ Vgs: 6nC @ 10V
• Input Capacitance (Ciss) (Max) @ Vds: 150pF @ 25V
• Vgs (Max): ±30V
• FET Feature: -
• Power Dissipation (Max): 3W (Ta)
• Rds On (Max) @ Id, Vgs: 3.8 Ohm @ 500mA, 10V
• Operating Temperature: 150°C (TJ)
• Mounting Type: Surface Mount
• Supplier Device Package: SOT-223
• Package / Case: TO-261-4, TO-261AA

패키지: TO-261-4, TO-261AA

STD46N6F7

STMicroelectronics

MOSFET N-CH 60V 15A DPAK

• FET Type: N-Channel
• Technology: MOSFET (Metal Oxide)
• Drain to Source Voltage (Vdss): 60V
• Current - Continuous Drain (Id) @ 25°C: 15A (Tc)
• Drive Voltage (Max Rds On, Min Rds On): 10V
• Vgs(th) (Max) @ Id: 4V @ 250µA
• Gate Charge (Qg) (Max) @ Vgs: 17nC @ 10V
• Input Capacitance (Ciss) (Max) @ Vds: 1065pF @ 30V
• Vgs (Max): ±20V
• FET Feature: -
• Power Dissipation (Max): 60W (Tc)
• Rds On (Max) @ Id, Vgs: 14 mOhm @ 7.5A, 10V
• Operating Temperature: -55°C ~ 175°C (TJ)
• Mounting Type: Surface Mount
• Supplier Device Package: DPAK
• Package / Case: TO-252-3, DPak (2 Leads + Tab), SC-63

패키지: TO-252-3, DPak (2 Leads + Tab), SC-63

2N2905A

STMicroelectronics

TRANS PNP 60V 0.6A TO-39

• Transistor Type: PNP
• Current - Collector (Ic) (Max): 600mA
• Voltage - Collector Emitter Breakdown (Max): 60V
• Vce Saturation (Max) @ Ib, Ic: 1.6V @ 50mA, 500mA
• Current - Collector Cutoff (Max): 10nA (ICBO)
• DC Current Gain (hFE) (Min) @ Ic, Vce: 100 @ 150mA, 10V
• Power - Max: 600mW
• Frequency - Transition: 200MHz
• Operating Temperature: 175°C (TJ)
• Mounting Type: Through Hole
• Package / Case: TO-205AD, TO-39-3 Metal Can
• Supplier Device Package: TO-39

패키지: TO-205AD, TO-39-3 Metal Can

SPV1512N

STMicroelectronics

IC COOL BYPASS SWITCH 12V 8WDFN

• Diode Type: Schottky
• Voltage - DC Reverse (Vr) (Max): 12V
• Current - Average Rectified (Io): 16A (DC)
• Voltage - Forward (Vf) (Max) @ If: 140mV @ 16A
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): -
• Current - Reverse Leakage @ Vr: 10µA @ 12V
• Capacitance @ Vr, F: -
• Mounting Type: Surface Mount
• Package / Case: 8-PowerVDFN
• Supplier Device Package: 8-VFQFPN (6x5)
• Operating Temperature - Junction: -40°C ~ 150°C

패키지: 8-PowerVDFN

STPS30SM120SR

STMicroelectronics

DIODE SCHOTTKY 120V 30A I2PAK

• Diode Type: Schottky
• Voltage - DC Reverse (Vr) (Max): 120V
• Current - Average Rectified (Io): 30A
• Voltage - Forward (Vf) (Max) @ If: 950mV @ 30A
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): -
• Current - Reverse Leakage @ Vr: 275µA @ 120V
• Capacitance @ Vr, F: -
• Mounting Type: Through Hole
• Package / Case: TO-262-3 Long Leads, I2Pak, TO-262AA
• Supplier Device Package: I2PAK
• Operating Temperature - Junction: 150°C (Max)

패키지: TO-262-3 Long Leads, I2Pak, TO-262AA

TMMBAT48FILM

STMicroelectronics

DIODE SCHOTTKY 40V 350MA MINMELF

• Diode Type: Schottky
• Voltage - DC Reverse (Vr) (Max): 40V
• Current - Average Rectified (Io): 350mA (DC)
• Voltage - Forward (Vf) (Max) @ If: 750mV @ 200mA
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): 10ns
• Current - Reverse Leakage @ Vr: 25µA @ 40V
• Capacitance @ Vr, F: 20pF @ 0V, 1MHz
• Mounting Type: Surface Mount
• Package / Case: DO-213AA (Glass)
• Supplier Device Package: Mini MELF
• Operating Temperature - Junction: -65°C ~ 125°C

패키지: DO-213AA (Glass)

STPS160A

STMicroelectronics

DIODE SCHOTTKY 60V 1A SMA

• Diode Type: Schottky
• Voltage - DC Reverse (Vr) (Max): 60V
• Current - Average Rectified (Io): 1A
• Voltage - Forward (Vf) (Max) @ If: 670mV @ 1A
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): -
• Current - Reverse Leakage @ Vr: 4µA @ 60V
• Capacitance @ Vr, F: -
• Mounting Type: Surface Mount
• Package / Case: DO-214AC, SMA
• Supplier Device Package: SMA (DO-214AC)
• Operating Temperature - Junction: 150°C (Max)

패키지: DO-214AC, SMA

BYT230PIV-400

STMicroelectronics

DIODE MODULE 400V 30A ISOTOP

• Diode Configuration: 2 Independent
• Diode Type: Standard
• Voltage - DC Reverse (Vr) (Max): 400V
• Current - Average Rectified (Io) (per Diode): 30A
• Voltage - Forward (Vf) (Max) @ If: 1.5V @ 30A
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Reverse Recovery Time (trr): 100ns
• Current - Reverse Leakage @ Vr: 35µA @ 400V
• Operating Temperature - Junction: 150°C (Max)
• Mounting Type: Chassis Mount
• Package / Case: ISOTOP
• Supplier Device Package: ISOTOP?

패키지: ISOTOP

LD2985BM27R

STMicroelectronics

IC REG LINEAR 2.7V 150MA SOT23-5

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 16V
• Voltage - Output (Min/Fixed): 2.7V
• Voltage - Output (Max): -
• Voltage Dropout (Max): 0.575V @ 150mA
• Current - Output: 150mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 150µA ~ 4mA
• PSRR: 45dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

패키지: SC-74A, SOT-753

L6932D1.5TR

STMicroelectronics

IC REG LINEAR 1.5V 2A 8SO

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 14V
• Voltage - Output (Min/Fixed): 1.5V
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 2A
• Current - Quiescent (Iq): -
• Current - Supply (Max): 400µA
• PSRR: 75dB (120Hz)
• Control Features: Enable, Power Good
• Protection Features: Over Temperature, Short Circuit
• Operating Temperature: -25°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SO

패키지: 8-SOIC (0.154", 3.90mm Width)

L78M24CV

STMicroelectronics

IC REG LINEAR 24V 500MA TO220AB

• Output Configuration: Positive
• Output Type: Fixed
• Number of Regulators: 1
• Voltage - Input (Max): 40V
• Voltage - Output (Min/Fixed): 24V
• Voltage - Output (Max): -
• Voltage Dropout (Max): -
• Current - Output: 500mA
• Current - Quiescent (Iq): -
• Current - Supply (Max): 6mA
• PSRR: 50dB (120Hz)
• Control Features: -
• Protection Features: Over Current, Over Temperature, Short Circuit
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3
• Supplier Device Package: TO-220AB

패키지: TO-220-3

UC3843AD1013TR

STMicroelectronics

IC REG CTRLR BOOST/FLYBACK 8SOIC

• Output Type: Transistor Driver
• Function: Step-Up/Step-Down
• Output Configuration: Positive, Isolation Capable
• Topology: Boost, Flyback
• Number of Outputs: 1
• Output Phases: 1
• Voltage - Supply (Vcc/Vdd): 7.6 V ~ 30 V
• Frequency - Switching: 52kHz
• Duty Cycle (Max): 96%
• Synchronous Rectifier: No
• Clock Sync: No
• Serial Interfaces: -
• Control Features: Frequency Control
• Operating Temperature: -40°C ~ 150°C (TJ)
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SO

패키지: 8-SOIC (0.154", 3.90mm Width)

VN750-E

STMicroelectronics

IC DRIVER HIGHSIDE 6A PENTAWATT5

• Switch Type: General Purpose
• Number of Outputs: 1
• Ratio - Input:Output: 1:1
• Output Configuration: High Side
• Output Type: N-Channel
• Interface: On/Off
• Voltage - Load: 5.5 V ~ 36 V
• Voltage - Supply (Vcc/Vdd): Not Required
• Current - Output (Max): 6A
• Rds On (Typ): 60 mOhm (Max)
• Input Type: Non-Inverting
• Features: Auto Restart, Status Flag
• Fault Protection: Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage
• Operating Temperature: -40°C ~ 150°C (TJ)
• Package / Case: Pentawatt-5 (Vertical, Bent and Staggered Leads)
• Supplier Device Package: 5-PENTAWATT

패키지: Pentawatt-5 (Vertical, Bent and Staggered Leads)

E-L6201PSTR

STMicroelectronics

IC BRIDGE DRIVER PAR 20POWERSO

• Output Configuration: Half Bridge (2)
• Applications: DC Motors, General Purpose
• Interface: Logic
• Load Type: Inductive
• Technology: BCDMOS
• Rds On (Typ): 300 mOhm
• Current - Output / Channel: 4A
• Current - Peak Output: -
• Voltage - Supply: 12 V ~ 48 V
• Voltage - Load: 12 V ~ 48 V
• Operating Temperature: -40°C ~ 150°C (TJ)
• Features: Bootstrap Circuit
• Fault Protection: Over Temperature
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (0.433", 11.00mm Width) Exposed Pad
• Supplier Device Package: PowerSO-20

패키지: 20-SOIC (0.433", 11.00mm Width) Exposed Pad

M27V160-100M1

STMicroelectronics

IC OTP 16MBIT 100NS 44SOIC

• Memory Type: Non-Volatile
• Memory Format: EPROM
• Technology: EPROM - OTP
• Memory Size: 16Mb (2M x 8, 1M x 16)
• Memory Interface: Parallel
• Clock Frequency: -
• Write Cycle Time - Word, Page: -
• Access Time: 100ns
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 44-SOIC (0.525", 13.34mm Width)
• Supplier Device Package: 44-SO

패키지: 44-SOIC (0.525", 13.34mm Width)

M27C512-90C6

STMicroelectronics

IC OTP 512KBIT 90NS 32PLCC

• Memory Type: Non-Volatile
• Memory Format: EPROM
• Technology: EPROM - OTP
• Memory Size: 512Kb (64K x 8)
• Memory Interface: Parallel
• Clock Frequency: -
• Write Cycle Time - Word, Page: -
• Access Time: 90ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 32-LCC (J-Lead)
• Supplier Device Package: 32-PLCC (11.35x13.89)

패키지: 32-LCC (J-Lead)

74ACT257TTR

STMicroelectronics

IC MULTIPLEXER QUAD 2-CH 16TSSOP

• Type: Multiplexer
• Circuit: 4 x 2:1
• Independent Circuits: 1
• Current - Output High, Low: 24mA, 24mA
• Voltage Supply Source: Single Supply
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Supplier Device Package: 16-TSSOP

패키지: 16-TSSOP (0.173", 4.40mm Width)

74ACT14MTR

STMicroelectronics

IC HEX SCHMITT INVERTER 14 SOIC

• Logic Type: Inverter
• Number of Circuits: 6
• Number of Inputs: 6
• Features: Schmitt Trigger
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Quiescent (Max): 4µA
• Current - Output High, Low: 24mA, 24mA
• Logic Level - Low: 0.6V
• Logic Level - High: 2V
• Max Propagation Delay @ V, Max CL: 11.4ns @ 5V, 50pF
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Supplier Device Package: 14-SO
• Package / Case: 14-SOIC (0.154", 3.90mm Width)

패키지: 14-SOIC (0.154", 3.90mm Width)

74VHC541MTR

STMicroelectronics

IC BUFF/DVR TRI-ST 8BIT 20SOIC

• Logic Type: Buffer, Non-Inverting
• Number of Elements: 1
• Number of Bits per Element: 8
• Input Type: -
• Output Type: Push-Pull
• Current - Output High, Low: 8mA, 8mA
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (0.295", 7.50mm Width)
• Supplier Device Package: 20-SO

패키지: 20-SOIC (0.295", 7.50mm Width)

LM339PT

STMicroelectronics

IC COMP QUAD CMOS MCRPWR 14TSSOP

• Type: General Purpose
• Number of Elements: 4
• Output Type: CMOS, DTL, ECL, MOS, Open-Collector, TTL
• Voltage - Supply, Single/Dual (±): 2 V ~ 32 V, ±1 V ~ 16 V
• Voltage - Input Offset (Max): 5mV @ 30V
• Current - Input Bias (Max): 0.25µA @ 5V
• Current - Output (Typ): 16mA @ 5V
• Current - Quiescent (Max): 2.5mA
• CMRR, PSRR (Typ): -
• Propagation Delay (Max): -
• Hysteresis: -
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 14-TSSOP (0.173", 4.40mm Width)
• Mounting Type: Surface Mount
• Supplier Device Package: 14-TSSOP

패키지: 14-TSSOP (0.173", 4.40mm Width)

TL082BIYDT

STMicroelectronics

IC OPAMP JFET 4MHZ 8SO

• Amplifier Type: J-FET
• Number of Circuits: 2
• Output Type: -
• Slew Rate: 16 V/µs
• Gain Bandwidth Product: 4MHz
• -3db Bandwidth: -
• Current - Input Bias: 20pA
• Voltage - Input Offset: 1mV
• Current - Supply: 1.4mA
• Current - Output / Channel: 40mA
• Voltage - Supply, Single/Dual (±): 6 V ~ 36 V, ±3 V ~ 18 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SO

패키지: 8-SOIC (0.154", 3.90mm Width)

TDA7569BDLVPDTR

STMicroelectronics

IC CAR RADIO AMP 4BRIDGE PWRSO36

• Type: Class AB
• Output Type: 4-Channel (Quad)
• Max Output Power x Channels @ Load: 50W x 4 @ 4 Ohm
• Voltage - Supply: 6 V ~ 18 V
• Features: Mute, Short-Circuit and Thermal Protection
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 105°C (TA)
• Supplier Device Package: PowerSO-36
• Package / Case: PowerSO-36 Exposed Top Pad

패키지: PowerSO-36 Exposed Top Pad

ST3241EBTR

STMicroelectronics

IC DRVR/RCVR RS232 ESD 28-TSSOP

• Type: Transceiver
• Protocol: RS232
• Number of Drivers/Receivers: 3/5
• Duplex: Full
• Receiver Hysteresis: 300mV
• Data Rate: 250kbps
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.209", 5.30mm Width)
• Supplier Device Package: 28-SSOP

패키지: 28-SSOP (0.209", 5.30mm Width)

ST7FLITEUS2M3

STMicroelectronics

IC MCU 8BIT 1KB FLASH 8SOIC

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: -
• Peripherals: LVD, POR, PWM, WDT
• Number of I/O: 5
• Program Memory Size: 1KB (1K x 8)
• Program Memory Type: FLASH
• EEPROM Size: -
• RAM Size: 128 x 8
• Voltage - Supply (Vcc/Vdd): 2.4 V ~ 5.5 V
• Data Converters: -
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C (TA)
• Mounting Type: -
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SOIC

패키지: 8-SOIC (0.154", 3.90mm Width)

STM32F423ZHJ6

STMicroelectronics

IC MCU 32BIT 1.5MB FLASH 144UFBG

• Core Processor: ARM? Cortex?-M4
• Core Size: 32-Bit
• Speed: 100MHz
• Connectivity: CAN, EBI/EMI, I2C, IrDA, LIN, MMC/SD, QSPI, SAI, SPI, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
• Number of I/O: 114
• Program Memory Size: 1.5MB (1.5M x 8)
• Program Memory Type: FLASH
• EEPROM Size: -
• RAM Size: 320K x 8
• Voltage - Supply (Vcc/Vdd): 1.7 V ~ 3.6 V
• Data Converters: A/D 16x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: -
• Package / Case: -
• Supplier Device Package: -

패키지: -

STM32L476QEI6TR

STMicroelectronics

IC MCU 32BIT 512KB FLASH 132BGA

• Core Processor: ARM? Cortex?-M4
• Core Size: 32-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I2C, IrDA, LIN, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, LCD, PWM, WDT
• Number of I/O: 109
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• EEPROM Size: -
• RAM Size: 128K x 8
• Voltage - Supply (Vcc/Vdd): 1.71 V ~ 3.6 V
• Data Converters: A/D 19x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: -
• Package / Case: -
• Supplier Device Package: -

패키지: -

SMA6J28CA-TR

STMicroelectronics

TVS DIODE 28VWM 51.6VC SMA

• Type: Zener
• Unidirectional Channels: -
• Bidirectional Channels: 1
• Voltage - Reverse Standoff (Typ): 28V
• Voltage - Breakdown (Min): 31.1V
• Voltage - Clamping (Max) @ Ipp: 51.6V
• Current - Peak Pulse (10/1000µs): 68A (8/20µs)
• Power - Peak Pulse: 600W
• Power Line Protection: No
• Applications: General Purpose
• Capacitance @ Frequency: -
• Operating Temperature: -55°C ~ 175°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: DO-214AC, SMA
• Supplier Device Package: SMA (DO-214AC)

패키지: DO-214AC, SMA

STM8L151R6T6TR

STMicroelectronics

LQFP 64 10X10X1.4 1

• Core Processor: STM8
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, IR, POR, PWM, WDT
• Number of I/O: 54
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• EEPROM Size: 1K x 8
• RAM Size: 2K x 8
• Voltage - Supply (Vcc/Vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 28x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C (TA)
• Mounting Type: -
• Package / Case: 64-LQFP
• Supplier Device Package: 64-LQFP

패키지: 64-LQFP