MIC2211-PSBML
Micrel Inc.
IC REG LINEAR DUAL MICROCAP LDO
I lager77030 pcs
80 µA
Positive
Enable
3V, 3.3V
-
2
150mA, 300mA
0.25V @ 150mA, 0.42V @ 300mA
60dB ~ 40dB (1KHz ~ 20kHz)
Over Current, Over Temperature
-
Bulk
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
10-VFDFN Exposed Pad, 10-MLF®
10-MLF® (3x3)
-
RFQ
NJM78M24FA
Nisshinbo Micro Devices Inc.
IC REG LINEAR 24V 500MA TO220F
I lager104310 pcs
6 mA
Positive
-
24V
-
1
500mA
-
60dB (120Hz)
Over Temperature, Short Circuit
NJM78M24
Bulk
-
-40°C ~ 85°C
Through Hole
40V
Fixed
TO-220-3 Full Pack
TO-220F
-
RFQ
ZXCL250H5TA
Diodes Incorporated
IC REG LINEAR 2.5V 100MA SC70-5
I lager9520 pcs
50 µA
Positive
Enable
2.5V
-
1
100mA
0.325V @ 100mA
-
Over Current, Over Temperature
ZXCL250
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SC-70-5
120 µA
RFQ
RP132K001B-TR
Nisshinbo Micro Devices Inc.
IC REG LIN POS ADJ 1A DFN1820-6
I lager71240 pcs
85 µA
Positive
Enable
0.8V
5.5V
1
1A
1.54V @ 1A
70dB (1kHz)
Over Current, Over Temperature
RP132
Tape & Reel (TR)
RP132x
-40°C ~ 85°C (TA)
Surface Mount
6.5V
Adjustable
6-UFDFN Exposed Pad
DFN(PL)1820-6
-
RFQ
AZ2940T-3.3E1
Diodes Incorporated
IC REG LINEAR 3.3V 1A TO220-3
I lager3820 pcs
-
Positive
-
3.3V
-
1
1A
0.55V @ 1A
-
Over Current, Over Temperature, Reverse Polarity
-
Tube
-
-40°C ~ 125°C
Through Hole
13.2V
Fixed
TO-220-3
TO-220-3
-
RFQ
LDK120C12R
STMicroelectronics
IC REG LIN 1.2V 200MA SOT323-5
I lager86870 pcs
60 µA
Positive
Enable
1.2V
-
1
200mA
0.3V @ 200mA
55dB (120Hz ~ 10kHz)
Over Current, Over Temperature
LDK120
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
5-TSSOP, SC-70-5, SOT-353
SOT-323-5
100 µA
RFQ
UC385TDKTTT-1
Texas Instruments
IC REG LIN 1.5V 5A DDPAK/TO263-5
I lager17140 pcs
-
Positive
-
1.5V
-
1
5A
2.1V @ 5A
-
Over Temperature, Reverse Polarity, Short Circuit
UC385
Tape & Reel (TR)
-
0°C ~ 100°C
Surface Mount
7.5V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
DDPAK/TO-263-5
-
RFQ
LDLN030G33R
STMicroelectronics
IC REG LIN 3.3V 300MA TSOT23-5
I lager173580 pcs
30 µA
Positive
Enable
3.3V
-
1
300mA
0.23V @ 300mA
70dB ~ 53dB (100Hz ~ 10kHz)
Over Current, Over Temperature
LDLN030
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
360 µA
RFQ
MIC5255-3.3YML
Micrel Inc.
IC REG LINEAR 150MA LOW NOISE
I lager150230 pcs
150 µA
Positive
Enable
3.3V
-
1
150mA
0.25V @ 150mA
60dB ~ 50dB (10Hz ~ 10kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
-
Bulk
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
6-VDFN Exposed Pad, 6-MLF®
6-DFN (2x2)
-
RFQ
MIC37139-2.5BS
Microchip Technology
IC REG LINEAR 2.5V 1.5A SOT223-3
I lager7880 pcs
-
Positive
-
2.5V
-
1
1.5A
0.5V @ 1.5A
-
Over Current, Over Temperature, Reverse Polarity
MIC37139
Bulk
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
REG103UA-A/2K5G4
Texas Instruments
IC REG LIN POS ADJ 500MA 8SOIC
I lager8690 pcs
0.7 mA
Positive
Enable
1.295V
5.5V
1
500mA
0.28V @ 500mA
65dB (120Hz)
Over Current, Over Temperature
REG103
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
15V
Adjustable
8-SOIC (0.154", 3.90mm Width)
8-SOIC
1.3 mA
RFQ
AP2121N-1.5TRE1
Diodes Incorporated
IC REG LINEAR 1.5V 200MA SOT23-3
I lager6420 pcs
50 µA
Positive
-
1.5V
-
1
200mA
0.6V @ 200mA
70dB (1kHz)
Over Current
-
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
TO-236-3, SC-59, SOT-23-3
SOT-23-3
-
RFQ
AP131-20WG-7
Diodes Incorporated
IC REG LINEAR 2V 300MA SOT25
I lager13560 pcs
100 µA
Positive
Enable
2V
-
1
300mA
0.5V @ 300mA
60dB (100Hz)
Over Current, Over Temperature
AP131
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-25
-
RFQ
NCP500SQL27T1
onsemi
IC REG LINEAR 2.7V 150MA 6DFN
I lager12230 pcs
1 µA
Positive
Enable
2.7V
-
1
150mA
0.26V @ 150mA
62dB (1kHz)
Over Current, Over Temperature
NCP500
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Fixed
6-VDFN Exposed Pad
6-DFN (2x2.2)
300 µA
RFQ
LDLN015PU30R
STMicroelectronics
IC REG LINEAR 3V 150MA 6DFN
I lager39440 pcs
60 µA
Positive
Enable
3V
-
1
150mA
0.18V @ 150mA
92dB ~ 50dB (1kHz ~ 100kHz)
Over Current, Over Temperature
LDLN015
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
6-UFDFN Exposed Pad
6-DFN (2x2)
120 µA
RFQ
RT9187GSP
Richtek USA Inc.
IC REG LINEAR POS ADJ 1A 8SOP
I lager15690 pcs
500 µA
Positive
Enable
0.8V
4.5V
1
1A
0.36V @ 1A
60dB ~ 50dB (100Hz ~ 10kHz)
Over Current, Over Temperature
RT9187
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
8-SOIC (0.154", 3.90mm Width) Exposed Pad
8-SOP-EP
-
RFQ
MIC5200-3.0YS-TR
Microchip Technology
IC REG LINEAR 3V 100MA SOT223-3
I lager17558 pcs
350 µA
Positive
-
3V
-
1
100mA
0.35V @ 100mA
-
Over Current, Over Temperature
MIC5200
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
26V
Fixed
TO-261-4, TO-261AA
SOT-223-3
1.5 mA
RFQ
PQ1L333M2SPQ
Sharp Microelectronics
IC REG LINEAR 3.3V 300MA SOT89
I lager13330 pcs
500 µA
Positive
Enable
3.3V
-
1
300mA
0.7V @ 300mA
-
Over Current, Over Temperature
-
Tape & Reel (TR)
-
-30°C ~ 80°C
Surface Mount
16V
Fixed
SOT-89-5/6
SOT-89
-
RFQ
MAX4835ETT18BD2V+T
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 1.8V 250MA 6TDFN
I lager18199 pcs
150 µA
Positive
Enable, Reset, Soft Start
1.8V
-
1
250mA
0.165V @ 250mA
-
Over Current, Over Temperature, Reverse Polarity
MAX4835
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
6-WDFN Exposed Pad
6-TDFN (3x3)
-
RFQ
RT9011-KNGQWC
Richtek USA Inc.
IC REG LINEAR 2.6V/2.85V 6WDFN
I lager17920 pcs
80 µA
Positive
Enable
2.6V, 2.85V
-
2
300mA, 300mA
0.33V @ 300mA, 0.33V @ 300mA
70dB ~ 38dB (100Hz ~ 300kHz)
Over Current, Over Temperature, Short Circuit
RT9011
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
6-WFDFN Exposed Pad
6-WDFN (1.6x1.6)
-
RFQ
MPQ2013GQ-Z
Monolithic Power Systems Inc.
IC REG LINEAR POS ADJ 150MA 8QFN
I lager52060 pcs
9 µA
Positive
Enable
1.215V
15V
1
150mA
0.9V @ 150mA
58dB ~ 41dB (100Hz ~ 1kHz)
Over Current, Over Temperature
MPQ2013
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
40V
Adjustable
8-VDFN Exposed Pad
8-QFN (3x3)
50 µA
RFQ
MIC5205-2.85BM5
Micrel Inc.
IC REG LINEAR 150MA LOW NOISE
I lager251700 pcs
150 µA
Positive
Enable
2.85V
-
1
150mA
0.35V @ 150mA
75dB (100Hz)
Over Current, Over Temperature, Reverse Polarity
-
Bulk
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
2.5 mA
RFQ
BA178M05FP-E2
Rohm Semiconductor
IC REG LINEAR 5V 500MA TO252-3
I lager156890 pcs
4.5 mA
Positive
-
5V
-
1
500mA
2V @ 500mA (Typ)
78dB (120Hz)
-
BA178M05
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
25V
Fixed
TO-252-3, DPak (2 Leads + Tab), SC-63
TO-252
6 mA
RFQ
LT1963AEFE#TRPBF
Analog Devices Inc.
IC REG LIN POS ADJ 1.5A 16TSSOP
I lager8682 pcs
1.5 mA
Positive
Enable
1.21V
20V
1
1.5A
0.55V @ 1.5A
63dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT1963
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable
16-TSSOP (0.173", 4.40mm Width) Exposed Pad
16-TSSOP-EP
120 mA
RFQ
TPS79930DDCRG4
Texas Instruments
IC REG LINEAR 3V 200MA SOT23-5
I lager11400 pcs
60 µA
Positive
Enable
3V
-
1
200mA
0.18V @ 200mA
70dB ~ 38dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79930
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
SOT-23-THIN
-
RFQ
MIC37139-2.5YS
Microchip Technology
IC REG LINEAR 2.5V 1.5A SOT223-3
I lager5390 pcs
-
Positive
-
2.5V
-
1
1.5A
0.5V @ 1.5A
-
Over Current, Over Temperature, Reverse Polarity
MIC37139
Tube
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
FAN1084T
Fairchild Semiconductor
IC REG LIN POS ADJ 4.5A TO220-3
I lager34863 pcs
4 mA
Positive
-
1.25V
5.5V
1
4.5A
1.5V @ 4.5A
-
Over Temperature
-
Tube
-
25°C ~ 125°C
Through Hole
7V
Adjustable
TO-220-3
TO-220-3
-
RFQ
KA378R12CTU
onsemi
IC REG LINEAR 12V 3A TO220F-4L
I lager11720 pcs
10 mA
Positive
-
12V
-
1
3A
0.5V @ 3A
-
Over Current, Over Temperature, Over Voltage, Short Circuit
KA378
Tube
-
-20°C ~ 80°C
Through Hole
35V
Fixed
TO-220-4 Full Pack
TO-220F-4L
-
RFQ
LDLN025PU29R
STMicroelectronics
IC REG LINEAR 2.9V 250MA 4DFN
I lager162890 pcs
25 µA
Positive
Enable
2.9V
-
1
250mA
0.25V @ 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
4-XDFN Exposed Pad
4-DFN (1x1)
425 µA
RFQ
FAN2558MP15X
Fairchild Semiconductor
IC REG LINEAR 1.5V 180MA 6MLP
I lager73170 pcs
150 µA
Positive
Enable, Power Good
1.5V
-
1
180mA
-
50dB (100kHz)
Over Current, Over Temperature
-
Bulk
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
6-VDFN Exposed Pad
6-DFN (2x2)
-
RFQ
LP2951CD-3.3R2
onsemi
IC REG LINEAR 3.3V 100MA 8SOIC
I lager4310 pcs
120 µA
Positive
-
3.3V
-
1
100mA
0.45V @ 100mA
-
Over Current, Over Temperature
LP295
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
12 mA
RFQ
XC6221B182MR-G
Torex Semiconductor Ltd
IC REG LINEAR 1.8V 200MA SOT25
I lager196840 pcs
50 µA
Positive
Enable
1.8V
-
1
200mA
0.21V @ 100mA
70dB (1kHz)
Over Current, Short Circuit
XC6221
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-25-5
-
RFQ
AP133-WG-7
Diodes Incorporated
IC REG LIN POS ADJ 300MA SOT25
I lager75230 pcs
60 µA
Positive
Enable
1V
5V
1
300mA
0.45V @ 300mA
65dB (1kHz)
Over Current, Over Temperature, Short Circuit
AP133
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
6V
Adjustable
SC-74A, SOT-753
SOT-25
-
RFQ
TLV70245DBVR
Texas Instruments
IC REG LINEAR 4.5V 300MA SOT23-5
I lager338210 pcs
55 µA
Positive
Enable
4.5V
-
1
300mA
0.38V @ 300mA
68dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV70245
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
370 µA
RFQ
TPS79228DBVT
Texas Instruments
IC REG LINEAR 2.8V 100MA SOT23-5
I lager38081 pcs
250 µA
Positive
Enable
2.8V
-
1
100mA
0.11V @ 100mA
70dB ~ 47dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79228
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TPS79501QDRBRQ1
Texas Instruments
IC REG LINEAR POS ADJ 500MA 8SON
I lager21091 pcs
385 µA
Positive
Enable
1.2V
5.5V
1
500mA
-
59dB ~ 39dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79501
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
8-VDFN Exposed Pad
8-SON (3x3)
-
RFQ
CS5233-3GDF8
onsemi
IC REG LINEAR 3.3V 500MA 8SOIC
I lager11660 pcs
3 mA
Positive
-
3.3V
-
1
500mA
-
-
Over Current, Over Temperature, Transient Voltage
CS5233
Tube
-
0°C ~ 70°C
Surface Mount
6V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
20 mA
RFQ
MIC2215-MMMYML-TR
Microchip Technology
IC REG LIN 2.8V/2.8V/2.8V 16MLF
I lager19481 pcs
150 µA
Positive
Enable
2.8V, 2.8V, 2.8V
-
3
250mA, 250mA, 250mA
0.275V @ 250mA, 0.275V @ 250mA, 0.275V @ 250mA
70dB ~ 45dB (100Hz ~ 1kHz)
Over Current, Over Temperature
MIC2215
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
16-VQFN Exposed Pad, 16-MLF®
16-MLF® (4x4)
550 µA
RFQ
UA723CNS
Texas Instruments
IC REG LINEAR ADJ POS REGULATOR
I lager108800 pcs
-
Positive
Current Limit
2V
37V
1
150mA
-
74dB ~ 86dB (50Hz ~ 10kHz)
-
-
Bulk
-
0°C ~ 70°C
Surface Mount
40V
Adjustable
14-SOIC (0.209", 5.30mm Width)
14-SO
-
RFQ
MIC5504-3.0YMT-TR
Microchip Technology
IC REG LINEAR 3V 300MA 4TDFN
I lager221320 pcs
55 µA
Positive
Enable
3V
-
1
300mA
0.38V @ 300mA
60dB (1kHz)
Over Current, Over Temperature
MIC5504
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
4-UDFN Exposed Pad
4-TDFN (1x1)
65 µA
RFQ
LT3065IDD-1.8#TRPBF
Analog Devices Inc.
IC REG LINEAR 1.8V 500MA 10DFN
I lager12187 pcs
110 µA
Positive
Current Limit, Enable, Power Good, Soft Start
1.8V
-
1
500mA
0.51V @ 500mA
74dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3065
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
45V
Fixed
10-WFDFN Exposed Pad
10-DFN (3x3)
25 mA
RFQ
ADP7118AUJZ-3.3-R7
Analog Devices Inc.
IC REG LIN 3.3V 200MA TSOT23-5
I lager24262 pcs
140 µA
Positive
Enable, Soft Start
3.3V
-
1
200mA
0.42V @ 200mA
88dB ~ 50dB (10kHz ~ 1MHz)
Over Current, Over Temperature
ADP7118
Tape & Reel (TR)
-
-40°C ~ 125°C (TA)
Surface Mount
20V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
320 µA
RFQ
UCC284SDR-5EP
Texas Instruments
IC REG LINEAR -5V 500MA 8SOIC
I lager5137 pcs
250 µA
Negative
Enable
-5V
-
1
500mA
0.5V @ 500mA
-
Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
UCC284
Tape & Reel (TR)
-
-55°C ~ 100°C
Surface Mount
-15V
Fixed
8-SOIC (0.154", 3.90mm Width)
8-SOIC
-
RFQ
NJM11100F1-TE2
Nisshinbo Micro Devices Inc.
IC REG LIN POS ADJ 240MA SOT23-1
I lager59790 pcs
260 µA
Positive
Enable
1.3V
17V
1
240mA
0.2V @ 200mA
75dB (1kHz)
Over Current, Over Temperature, Reverse Current
NJM11100
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
18V
Adjustable
SOT-23-6
SOT-23-6-1
-
RFQ
RT9011-CSGQWC
Richtek USA Inc.
IC REG LINEAR 1.2V/3.3V 6WDFN
I lager8810 pcs
80 µA
Positive
Enable
1.2V, 3.3V
-
2
300mA, 300mA
0.33V @ 300mA, 0.33V @ 300mA
70dB ~ 38dB (100Hz ~ 300kHz)
Over Current, Over Temperature, Short Circuit
RT9011
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
6-WFDFN Exposed Pad
6-WDFN (1.6x1.6)
-
RFQ
LT1129CQ-3.3#TRPBF
Analog Devices Inc.
IC REG LINEAR 3.3V 700MA 5DDPAK
I lager8717 pcs
70 µA
Positive
Enable
3.3V
-
1
700mA
0.7V @ 700mA
64dB (120Hz)
Over Temperature, Reverse Polarity
LT1129
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
30V
Fixed
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
5-DDPAK
90 mA
RFQ
BAJ5CC0T
Rohm Semiconductor
IC REG LINEAR 15V 1A TO220FP
I lager23384 pcs
2.5 mA
Positive
-
15V
-
1
1A
-
55dB (120Hz)
Over Current, Over Temperature, Over Voltage
BAJ5CC0
Tube
-
-40°C ~ 125°C
Through Hole
25V
Fixed
TO-220-3 Full Pack
TO-220FP
5 mA
RFQ
UA78M05IDCYRG3
Texas Instruments
IC REG LINEAR 5V 500MA SOT223-4
I lager195600 pcs
-
Positive
-
5V
-
1
500mA
2V @ 350mA
80dB (120Hz)
Over Current, Over Temperature, Short Circuit
UA78M05
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
25V
Fixed
TO-261-4, TO-261AA
SOT-223-4
-
RFQ
LP2980AIM5X-4.7
Texas Instruments
IC REG LINEAR 4.7V 50MA SOT23-5
I lager14220 pcs
95 µA
Positive
Enable
4.7V
-
1
50mA
0.22V @ 50mA
63dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2980
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
1.2 mA
RFQ
LT3029HMSE#PBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 16MSOP
I lager6165 pcs
-
Positive
Enable
1.215V
19.5V
2
500mA, 500mA
0.46V @ 500mA, 0.46V @ 500mA
67dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3029
Tube
-
-40°C ~ 150°C
Surface Mount
20V
Adjustable
16-TFSOP (0.118', 3.00mm Width) Exposed Pad
16-MSOP-EP
-
RFQ