TPS73619DRBR
Texas Instruments
IC REG LINEAR 1.9V 400MA 8SON
Na skladě28759 pcs
550 µA
Positive
Enable
1.9V
-
1
400mA
0.2V @ 400mA
58dB ~ 37dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Reverse Polarity
TPS73619
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
8-VDFN Exposed Pad
8-SON (3x3)
1 mA
RFQ
TLV70237DBVR
Texas Instruments
IC REG LINEAR 3.7V 300MA SOT23-5
Na skladě159340 pcs
55 µA
Positive
Enable
3.7V
-
1
300mA
0.38V @ 300mA
68dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV70237
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
370 µA
RFQ
TPS73733DRVR
Texas Instruments
IC REG LINEAR 3.3V 1A 6WSON
Na skladě45150 pcs
400 µA
Positive
Enable
3.3V
-
1
1A
0.5V @ 1A
58dB ~ 37dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Reverse Polarity
TPS73733
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
6-WDFN Exposed Pad
6-WSON (2x2)
1.3 mA
RFQ
SP6265GEK1-L/TR
MaxLinear, Inc.
IC REG LINEAR 1.8V/2.8V TSOT23-6
Na skladě11540 pcs
160 µA
Positive
Enable
1.8V, 2.8V
-
2
150mA, 150mA
0.35V @ 150mA, 0.3V @ 150mA
55dB ~ 48dB (100Hz ~ 10kHz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
SOT-23-6 Thin, TSOT-23-6
6-TSOT
-
RFQ
TPS71247DRCR
Texas Instruments
IC REG LIN 1.8/2.85V 10VSON
Na skladě36584 pcs
250 µA
Positive
Enable, Power Good
1.8V, 2.85V
-
2
250mA
0.4V @ 500mA
59dB ~ 54dB (120Hz)
Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS71247
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
10-VFDFN Exposed Pad
10-VSON (3x3)
600 µA
RFQ
LDLN025M33R
STMicroelectronics
IC REG LINEAR 3.3V 250MA SOT23-5
Na skladě179030 pcs
25 µA
Positive
Enable
3.3V
-
1
250mA
0.2V @ 250mA
80dB ~ 60dB (100Hz ~ 100KHz)
Over Current, Over Temperature, Short Circuit, Soft Start
LDLN025
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
425 µA
RFQ
L78M10CDT
STMicroelectronics
IC REG LINEAR 10V 500MA DPAK
Na skladě4660 pcs
6 mA
Positive
-
10V
-
1
500mA
-
56dB (120Hz)
Over Current, Over Temperature, Short Circuit
L78M10
Tube
-
0°C ~ 125°C
Surface Mount
35V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
MC7818BT
onsemi
IC REG LINEAR 18V 1A TO220AB
Na skladě3830 pcs
8 mA
Positive
-
18V
-
1
1A
2V @ 1A (Typ)
57dB (120Hz)
Over Temperature, Short Circuit
MC7818
Tube
-
-40°C ~ 125°C
Through Hole
35V
Fixed
TO-220-3
TO-220
-
RFQ
SC560DULTRT
Semtech Corporation
IC REG LINEAR 1.8V/2.8V 8MLPQ-UT
Na skladě9940 pcs
100 µA
Positive
Enable, Power Good
1.8V, 2.8V
-
2
300mA, 300mA
-, -
65dB ~ 40dB (1kHz)
Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
SC560
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
8-UFQFN
8-MLPQ-UT (1.5x1.5)
-
RFQ
LT1763IS8-3#PBF
Analog Devices Inc.
IC REG LINEAR 3V 500MA 8SOIC
Na skladě6912 pcs
-
Positive
Enable
3V
-
1
500mA
0.45V @ 500mA
65dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT1763
Tube
-
-40°C ~ 125°C
Surface Mount
20V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SO
-
RFQ
LD39020DTPU31R
STMicroelectronics
IC REG LINEAR 3.1V 200MA 4DFN
Na skladě201540 pcs
40 µA
Positive
Enable
3.1V
-
1
200mA
0.35V @ 200mA
80dB ~ 55dB (1kHz ~ 100kHz)
Over Current, Over Temperature, Soft Start
LD39020
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-DFN (1x1)
-
RFQ
AAT3218IGV-1.2-T1
Skyworks Solutions Inc.
IC REG LINEAR 1.2V 150MA SOT23-5
Na skladě780550 pcs
-
-
-
-
-
-
-
-
-
-
-
Tape & Reel (TR)
*
-
-
-
-
-
-
-
RFQ
BD450M2WEFJ-CE2
Rohm Semiconductor
IC REG LINEAR 5V 200MA 8HTSOP
Na skladě50070 pcs
90 µA
Positive
Enable
5V
-
1
200mA
0.35V @ 100mA
65dB (120Hz)
Over Current, Over Temperature
BD450
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 150°C
Surface Mount
42V
Fixed
8-SOIC (0.154', 3.90mm Width) Exposed Pad
8-HTSOP-J
150 µA
RFQ
IRU1050CP
Infineon Technologies
IC REG LIN POS ADJ 5A 2-UTHINPAK
Na skladě13970 pcs
10 mA
Positive
-
2.5V
3.3V
1
5A
1.3V @ 5A
70dB (120Hz)
Over Current, Over Temperature
IRU1050CP
Tube
-
0°C ~ 150°C
Surface Mount
7V
Adjustable
2-Ultra Thin-Pak™
2-Ultra Thin-Pak
-
RFQ
MAX8877EUK25+T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 2.5V 150MA SOT23-5
Na skladě36439 pcs
180 µA
Positive
Enable
2.5V
-
1
150mA
0.165V @ 150mA (Typ)
-
Over Current, Over Temperature, Reverse Polarity, Short Circuit
MAX887
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
100 µA
RFQ
LT3050IMSE#TRPBF
Analog Devices Inc.
IC REG LIN POS ADJ 100MA 12MSOP
Na skladě13486 pcs
90 µA
Positive
Current Limit, Enable, Soft Start
0.6V
44.5V
1
100mA
0.55V @ 100mA
85dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3050
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
45V
Adjustable
12-TSSOP (0.118", 3.00mm Width) Exposed Pad
12-MSOP-EP
5.2 mA
RFQ
MAX882CSA
Analog Devices Inc./Maxim Integrated
IC REG LIN POS ADJ 200MA 8SOIC
Na skladě11330 pcs
15 µA
Positive
Enable, Low Battery Detection
1.25V (3.3V)
11V
1
200mA
0.64V @ 200mA
-
Over Current, Over Temperature, Reverse Polarity
MAX882
Tube
-
0°C ~ 70°C
Surface Mount
11.5V
Adjustable (Fixed)
8-SOIC (0.154", 3.90mm Width)
8-SOIC
25 µA
RFQ
NCP502SQ15T1G
onsemi
IC REG LINEAR 1.5V 80MA SC88A
Na skladě5880 pcs
40 µA
Positive
Enable
1.5V
-
1
80mA
1.9V @ 80mA
55dB (1kHz)
Over Current, Over Temperature
NCP502
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
12V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-88A (SC-70-5/SOT-353)
90 µA
RFQ
UC282T-ADJ
Texas Instruments
IC REG LIN POS ADJ 3A TO220-5
Na skladě4091 pcs
-
Positive
-
1.2V (1.2V)
6V
1
3A
2.2V @ 3A
-
Over Temperature, Reverse Polarity, Short Circuit
UC282
Tube
-
-40°C ~ 100°C
Through Hole
7.5V
Adjustable (Fixed)
TO-220-5
TO-220-5
-
RFQ
MC33275D-2.5R2
onsemi
IC REG LINEAR 2.5V 300MA 8SOIC
Na skladě6840 pcs
200 µA
Positive
-
2.5V
-
1
300mA
0.5V @ 300mA
75dB (120Hz)
Over Current, Over Temperature
MC33275
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
13V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
LP5951MGX-3.3
Texas Instruments
IC REG LINEAR 3.3V 150MA SC70-5
Na skladě4980 pcs
55 µA
Positive
Enable
3.3V
-
1
150mA
0.35V @ 150mA
60dB ~ 50dB (100Hz ~ 10kHz)
Over Current, Over Temperature, Short Circuit
LP5951
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
70 µA
RFQ
NCP716MTG50TBG
onsemi
IC REG LINEAR 5V 80MA 6WDFN
Na skladě180020 pcs
4.2 µA
Positive
-
5V
-
1
80mA
0.5V @ 80mA
54dB (100kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
NCP716
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
24V
Fixed
6-WDFN Exposed Pad
6-WDFN (2x2)
5.8 µA
RFQ
MIC5245-3.3BMM
Microchip Technology
IC REG LINEAR 3.3V 150MA 8MSOP
Na skladě12040 pcs
150 µA
Positive
Enable
3.3V
-
1
150mA
0.25V @ 150mA
50dB (120Hz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
MIC5245
Bulk
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-MSOP
-
RFQ
LD2985BM33R
STMicroelectronics
IC REG LINEAR 3.3V 150MA SOT23-5
Na skladě107860 pcs
150 µA
Positive
Enable
3.3V
-
1
150mA
0.575V @ 150mA
45dB (1kHz)
Over Current, Over Temperature
LD2985
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
4 mA
RFQ
TLV75533PDQNT
Texas Instruments
IC REG LINEAR 3.3V 500MA 4X2SON
Na skladě51200 pcs
31 µA
Positive
Enable
3.3V
-
1
500mA
0.238V @ 500mA
52dB (1kHz ~ 1MHz)
Over Current, Over Temperature
TLV75533
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
-
RFQ
SG7812AIG
Microchip Technology
IC REG LINEAR 12V 1.5A TO257
Na skladě8880 pcs
-
Positive
Current Limit, Enable
12V
-
1
1.5A
2.5V @ 500mA
61dB (120Hz)
Over Current, Over Temperature
SG7812
Bulk
Military, MIL-STD-883
-55°C ~ 125°C (TA)
Through Hole
50V
Fixed
TO-257-3
TO-257
7 mA
RFQ
TPS77715PWP
Texas Instruments
IC REG LIN 1.5V 750MA 20HTSSOP
Na skladě13827 pcs
125 µA
Positive
Enable, Power Good, Reset
1.5V
-
1
750mA
-
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS77715
Tube
-
-40°C ~ 125°C
Surface Mount
10V
Fixed
20-PowerTSSOP (0.173', 4.40mm Width)
20-HTSSOP
-
RFQ
TPS76301DBVR
Texas Instruments
IC REG LIN POS ADJ 150MA SOT23-5
Na skladě143690 pcs
100 µA
Positive
Enable
1.5V
6.5V
1
150mA
-
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS76301
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
SC-74A, SOT-753
SOT-23-5
140 µA
RFQ
S-1206B30-U3T1G
ABLIC Inc.
IC REG LINEAR 3V 250MA SOT89-3
Na skladě69140 pcs
1.5 µA
Positive
-
3V
-
1
250mA
0.23V @ 100mA
-
Over Current
S-1206
Tape & Reel (TR)
S-1206
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
TO-243AA
SOT-89-3
-
RFQ
NCV8502D80R2G
onsemi
IC REG LINEAR 8V 150MA 8SOIC
Na skladě10630 pcs
150 µA
Positive
Enable, Reset
8V
-
1
150mA
0.6V @ 150mA
-
Over Temperature, Reverse Polarity, Short Circuit
NCV8502
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 150°C
Surface Mount
45V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
19 mA
RFQ
AP7346D-3612FS6-7
Diodes Incorporated
IC REG LIN 1.2V/3.6V X2DFN1212-6
Na skladě140670 pcs
100 µA
Positive
Enable
1.2V, 3.6V
-
2
130mA, 130mA
0.5V @ 120mA, 0.29V @ 120mA
75dB (1kHz)
Over Current
AP7346
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.25V
Fixed
6-XFDFN Exposed Pad
X2-DFN1212-6
-
RFQ
S-1132B45-M5T1G
ABLIC Inc.
IC REG LINEAR 4.5V 300MA SOT23-5
Na skladě73150 pcs
1 µA
Positive
Enable
4.5V
-
1
300mA
0.15V @ 100mA
65dB (1kHz)
Over Current
S-1132
Tape & Reel (TR)
S-1132
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
40 µA
RFQ
R1190H050D-T1-FE
Nisshinbo Micro Devices Inc.
IC REG LINEAR 5V 1A SOT89-5
Na skladě48090 pcs
220 µA
Positive
Enable
5V
-
1
1A
1.85V @ 1A
60dB (1kHz)
Over Current, Over Temperature, Short Circuit
R1190
Tape & Reel (TR)
R1190x
-40°C ~ 85°C
Surface Mount
16V
Fixed
SOT-89-5/6
SOT-89-5
-
RFQ
MP20041DGT-GJ-LF-Z
Monolithic Power Systems Inc.
IC REG LINEAR 1.8V/2.5V 8TQFN
Na skladě36980 pcs
-
Positive
Enable
1.8V, 2.5V
-
2
300mA, 300mA
0.22V @ 300mA (Typ), -
72dB ~ 68dB (10kHz ~ 100Hz)
Over Current, Over Temperature
MP20041
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
8-VFDFN Exposed Pad
8-TQFN (2x2)
-
RFQ
MC7812ACD2TG
onsemi
IC REG LINEAR 12V 1A D2PAK
Na skladě8650 pcs
6 mA
Positive
-
12V
-
1
1A
2V @ 1A (Typ)
60dB (1kHz)
Over Temperature, Short Circuit
MC7812
Tube
-
0°C ~ 125°C
Surface Mount
35V
Fixed
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D2PAK-3
-
RFQ
RP115L181D-E2
Nisshinbo Micro Devices Inc.
IC REG LINEAR 1.8V 1A SOT89-5
Na skladě89510 pcs
160 µA
Positive
Enable
1.8V
-
1
1A
0.215V @ 1A
80dB (1kHz)
Over Current, Over Temperature, Reverse Current
RP115
Tape & Reel (TR)
RP115x
-40°C ~ 85°C (TA)
Surface Mount
5.25V
Fixed
8-XFDFN Exposed Pad
DFN1216-8
-
RFQ
NCP583SQ15T1G
onsemi
IC REG LINEAR 1.5V 150MA SC82AB
Na skladě14660 pcs
1.5 µA
Positive
Enable
1.5V
-
1
150mA
0.9V @ 150mA
-
Over Current
NCP583
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-82A, SOT-343
SC-82AB
-
RFQ
RT9020-33GU5
Richtek USA Inc.
IC REG LINEAR 3.3V 500MA SC70-5
Na skladě9660 pcs
50 µA
Positive
Enable, Soft Start
3.3V
-
1
500mA
0.4V @ 500mA
55dB (10kHz)
Over Current, Over Temperature
RT9020
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
-
RFQ
NCP1117DTARKG
onsemi
IC REG LINEAR POS ADJ 1A DPAK
Na skladě141140 pcs
10 mA
Positive
-
1.25V
18.8V
1
1A
1.2V @ 800mA
73dB (120Hz)
Over Current, Over Temperature
NCP1117
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
20V
Adjustable
TO-252-3, DPak (2 Leads + Tab), SC-63
DPAK
-
RFQ
REG1117FA-1.8KTTT
Texas Instruments
IC REG LIN 1.8V 1A DDPAK/TO263-3
Na skladě14489 pcs
10 mA
Positive
-
1.8V
-
1
1A
1.55V @ 1A
62dB (120Hz)
Over Current, Over Temperature
REG1117
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
15V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
DDPAK/TO-263-3
-
RFQ
FAN1581DX
onsemi
IC REG LINEAR POS ADJ 5A TO252-5
Na skladě15550 pcs
6 mA
Positive
-
1.25V
5.7V
1
5A
1.18V @ 5A
80dB (120Hz)
Over Current, Over Temperature
FAN1581
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
7V
Adjustable
TO-252-5, DPak (4 Leads + Tab), TO-252AD
TO-252-5
-
RFQ
TPS72325DBVRG4
Texas Instruments
IC REG LIN -2.5V 200MA SOT23-5
Na skladě7570 pcs
200 µA
Negative
Enable
-2.5V
-
1
200mA
0.5V @ 200mA
65dB ~ 48dB (1kHz ~ 10kHz)
Over Current, Over Temperature, Short Circuit
TPS72325
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
-10V
Fixed
SC-74A, SOT-753
SOT-23-5
500 µA
RFQ
MAX8881EUT33-T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 3.3V 200MA SOT23-6
Na skladě9860 pcs
10 µA
Positive
Enable, Power Good
3.3V
-
1
200mA
0.2V @ 50mA
-
Over Temperature, Reverse Polarity, Short Circuit
MAX8881
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
12V
Fixed
SOT-23-6
SOT-6
-
RFQ
UA78L06ACLP
Texas Instruments
IC REG LINEAR 6.2V 100MA TO92-3
Na skladě83330 pcs
-
Positive
-
6.2V
-
1
100mA
1.7V @ 40mA
48dB (120Hz)
Over Current, Over Temperature, Reverse Polarity, Short Circuit
UA78L06
Bulk
-
0°C ~ 125°C
Through Hole
20V
Fixed
TO-226-3, TO-92-3 (TO-226AA)
TO-92-3
-
RFQ
AZ1117H-1.5TRE1
Diodes Incorporated
IC REG LINEAR 1.5V 1A SOT223
Na skladě585300 pcs
10 mA
Positive
-
1.5V
-
1
1A
1.25V @ 1A
75dB (120Hz)
Thermal Shutdown
AZ1117
Tape & Reel (TR)
AZ1117
-40°C ~ 125°C (TJ)
Surface Mount
15V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
LT3085EDCB#TRPBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 500MA 6DFN
Na skladě9172 pcs
10.1 µA
Positive
-
0V
36V
1
500mA
0.45V @ 500mA
90dB ~ 20dB (120Hz ~ 1MHz)
Over Current, Over Temperature, Short Circuit
LT3085
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
36V
Adjustable
6-WFDFN Exposed Pad
6-DFN (2x3)
1 mA
RFQ
LP3988IMFX-2.5
Texas Instruments
IC REG LINEAR 2.5V 150MA SOT23-5
Na skladě17230 pcs
120 µA
Positive
Enable, Power Good
2.5V
-
1
150mA
0.15V @ 150mA
65dB ~ 45dB (1kHz ~ 10kHz)
Over Temperature, Short Circuit
LP3988
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
200 µA
RFQ
FAN1117AT
Fairchild Semiconductor
IC REG LINEAR POS ADJ 1A TO220-3
Na skladě63430 pcs
-
Positive
-
1.25V
18V
1
1A
1.2V @ 1A
72dB (120Hz)
Over Current, Over Temperature
-
Tube
-
0°C ~ 125°C
Through Hole
18V
Adjustable
TO-220-3
TO-220-3
-
RFQ
RT9022GE
Richtek USA Inc.
IC REG LIN POS ADJ 60MA SOT23-6
Na skladě126770 pcs
80 µA
Positive
Enable, Soft Start
1.25V
19.7V
1
60mA
0.3V @ 30mA
65dB ~ 55dB (120Hz ~ 10kHz)
Over Current, Over Temperature
RT9022
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
20V
Adjustable
SOT-23-6
SOT-23-6
-
RFQ
LP2985-50DBVR
Texas Instruments
IC REG LINEAR 5V 150MA SOT23-5
Na skladě187880 pcs
95 µA
Positive
Enable
5V
-
1
150mA
0.58V @ 150mA
45dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2985
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
2.5 mA
RFQ