SP6203EM5-L/TR
MaxLinear, Inc.
IC REG LIN POS ADJ 300MA SOT23-5
In stoc3930 pcs
100 µA
Positive
Enable
1.25V
5.2V
1
300mA
0.3V @ 300mA
67dB (1kHz)
Over Current, Over Temperature
-
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
SC-74A, SOT-753
SOT-23-5
330 µA
RFQ
TPS79401DCQRG4
Texas Instruments
IC REG LIN POS ADJ 250MA SOT223
In stoc13360 pcs
220 µA
Positive
Enable
1.2V
5.5V
1
250mA
-
65dB ~ 40dB (100Hz ~ 100kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS79401
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
SOT-223-6
SOT-223-6
-
RFQ
RAA7881562GSP#AB0
Renesas Electronics America Inc
PB-FREE IEC6100 ESD 14LD SOIC,-4
In stoc18159 pcs
-
-
-
-
-
-
-
-
-
-
-
Tape & Reel (TR)
-
-
Surface Mount
-
-
14-SOIC (0.154", 3.90mm Width)
14-SOIC
-
RFQ
REG103GA-3.3/2K5G4
Texas Instruments
IC REG LIN 3.3V 500MA SOT223-6
In stoc8480 pcs
0.7 mA
Positive
Enable
3.3V
-
1
500mA
0.28V @ 500mA
65dB (120Hz)
Over Current, Over Temperature
REG103
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
15V
Fixed
SOT-223-6
SOT-223-6
1.3 mA
RFQ
LP2960IM-3.3
Texas Instruments
IC REG LINEAR 3.3V 500MA 16SOIC
In stoc8330 pcs
600 µA
Positive
Enable
3.3V
-
1
500mA
0.8V @ 500mA
-
Over Current, Over Temperature, Reverse Polarity
LP2960
Tube
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
16-SOIC (0.154", 3.90mm Width)
16-SOIC
40 mA
RFQ
MAX688CUA+
Analog Devices Inc./Maxim Integrated
IC REG LINEAR 3.3V 1A 8UMAX
In stoc8310 pcs
25 µA
Positive
Current Limit, Enable, Power Fail
3.3V
-
1
1A
0.04V @ 200mA (Typ)
-
-
MAX688
Tube
-
0°C ~ 70°C
Surface Mount
11V
Fixed
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-uMAX/uSOP
250 µA
RFQ
UA78M05CKCS
Texas Instruments
IC REG LINEAR 5V 500MA TO220-3
In stoc12676 pcs
-
Positive
-
5V
-
1
500mA
2V @ 350mA
80dB (120Hz)
Over Current, Over Temperature, Short Circuit
UA78M05
Tube
-
0°C ~ 125°C
Through Hole
25V
Fixed
TO-220-3
TO-220-3
-
RFQ
MIC39100-1.8BS
Microchip Technology
IC REG LINEAR 1.8V 1A SOT223-3
In stoc17880 pcs
-
Positive
-
1.8V
-
1
1A
0.63V @ 1A
-
Over Current, Over Temperature, Reverse Polarity
MIC39100-1.8
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
LT3028IFE#TRPBF
Analog Devices Inc.
IC REG LINEAR POS ADJ 16TSSOP
In stoc7610 pcs
-
Positive
Enable
1.22V
20V
2
100mA, 500mA
0.45V @ 100mA, 0.47V @ 500mA
65dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3028
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
20V
Adjustable
16-TSSOP (0.173', 4.40mm Width) Exposed Pad
16-TSSOP-EP
-
RFQ
MIC37100-2.5WS
Microchip Technology
IC REG LINEAR 2.5V 1A SOT223-3
In stoc33369 pcs
-
Positive
-
2.5V
-
1
1A
0.5V @ 1A
-
Over Current, Over Temperature
MIC37100
Tube
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
NCP114AMX360TCG
onsemi
IC REG LINEAR 3.6V 300MA 4UDFN
In stoc433090 pcs
95 µA
Positive
Enable
3.6V
-
1
300mA
-
75dB (1kHz)
Over Current, Over Temperature
NCP114
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
4-UDFN Exposed Pad
4-UDFN (1.0x1.0)
-
RFQ
MC78L15ACDR2
onsemi
IC REG LINEAR 15V 100MA 8SOIC
In stoc4100 pcs
6.5 mA
Positive
-
15V
-
1
100mA
-
39dB (120Hz)
Over Temperature, Short Circuit
MC78L15
Tape & Reel (TR)
-
0°C ~ 125°C
Surface Mount
35V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
LK112SM80TR
STMicroelectronics
IC REG LINEAR 8V 200MA SOT23-5
In stoc14570 pcs
250 µA
Positive
Enable
8V
-
1
200mA
0.5V @ 200mA
55dB (400Hz)
Over Current, Over Temperature
LK112
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
14V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
TPS77701PWPR
Texas Instruments
IC REG LIN POS ADJ 20HTSSOP
In stoc14436 pcs
125 µA
Positive
Enable, Power Good, Reset
1.5V
5.5V
1
750mA
-
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS77701
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
20-PowerTSSOP (0.173", 4.40mm Width)
20-HTSSOP
-
RFQ
LP2981IM5-3.6
Texas Instruments
IC REG LINEAR 3.6V 100MA SOT23-5
In stoc12000 pcs
95 µA
Positive
Enable
3.6V
-
1
100mA
0.37V @ 100mA
63dB (1kHz)
Over Current, Over Temperature, Short Circuit
LP2981
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
1.7 mA
RFQ
MIC5211-1.8/2.5BM6
Micrel Inc.
IC REG LINEAR LDO
In stoc120450 pcs
450 µA
Positive
Enable
1.8V, 2.5V
-
2
80mA, 80mA
0.5V @ 50mA, 0.5V @ 50mA
-
Over Current, Over Temperature, Reverse Polarity
-
Bulk
-
0°C ~ 125°C
Surface Mount
16V
Fixed
SOT-23-6
SOT-23-6
1.2 mA
RFQ
LT3014BHVES5#TRPBF
Analog Devices Inc.
IC REG LIN POS ADJ 20MA TSOT23-5
In stoc12260 pcs
20 µA
Positive
-
1.22V
60V
1
20mA
0.57V @ 20mA
70dB (120Hz)
Over Current, Over Temperature, Reverse Polarity
LT3014
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
80V
Adjustable
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
1 mA
RFQ
S-1142B2JI-E6T1U
ABLIC Inc.
IC REG LINEAR 2.85V 200MA 6HSOP
In stoc58470 pcs
1 µA
Positive
Enable
2.85V
-
1
200mA
0.82V @ 200mA
45dB (100Hz)
Over Current, Thermal Shutdown
S-1142
Tape & Reel (TR)
S-1142A/B
-40°C ~ 85°C (TA)
Surface Mount
50V
Fixed
6-SOIC Variation (0.154', 3.90mm Width), 4 Leads + 2 Fins
6-HSOP
9 µA
RFQ
RT9059GSP
Richtek USA Inc.
IC REG LINEAR POS ADJ 3A 8SOP
In stoc157410 pcs
1.2 mA
Positive
Enable
3V
5.5V
1
3A
0.45V @ 3A
-
Over Current, Over Temperature
RT9059
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Adjustable
8-SOIC (0.154', 3.90mm Width) Exposed Pad
8-SOP-EP
-
RFQ
MC33275D-5.0G
onsemi
IC REG LINEAR 5V 300MA 8SOIC
In stoc61540 pcs
200 µA
Positive
-
5V
-
1
300mA
0.5V @ 300mA
75dB (120Hz)
Over Current, Over Temperature
MC33275
Tube
-
-40°C ~ 125°C
Surface Mount
13V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
AP1084T50G-U
Diodes Incorporated
IC REG LINEAR 5V 5A TO220-3
In stoc4490 pcs
10 mA
Positive
-
5V
-
1
5A
1.4V @ 5A
-
Over Current, Over Temperature
AP1084
Tube
-
0°C ~ 125°C (TJ)
Through Hole
12V
Fixed
TO-220-3
TO-220-3
-
RFQ
MIC69302WR
Microchip Technology
IC REG LINEAR POS ADJ 3A SPAK-5
In stoc11567 pcs
5 mA
Positive
Enable
0.5V
5V
1
3A
0.5V @ 3A
-
Over Current, Over Temperature
MIC69302
Tube
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
SPak-5 (5 leads + Tab)
S-PAK-5
75 mA
RFQ
S-817A27APF-CUQTFG
ABLIC Inc.
IC REG LINEAR 2.7V 35MA SNT4A
In stoc5410 pcs
2.5 µA
Positive
-
2.7V
-
1
35mA
0.51V @ 10mA
-
Short Circuit
-
Tape & Reel (TR)
S-817
-40°C ~ 85°C (TA)
Surface Mount
10V
Fixed
4-SMD, Flat Leads
SNT-4A
-
RFQ
LD2979M38TR
STMicroelectronics
IC REG LINEAR 3.8V 50MA SOT23-5
In stoc127510 pcs
170 µA
Positive
Enable
3.8V
-
1
50mA
0.6V @ 50mA
63dB (120Hz)
Over Current, Over Temperature
LD2979
Tape & Reel (TR)
-
-25°C ~ 125°C
Surface Mount
16V
Fixed
SC-74A, SOT-753
SOT-23-5
13 mA
RFQ
LM317D2T
STMicroelectronics
IC REG LINEAR POS ADJ 1.5A D2PAK
In stoc15710 pcs
10 mA
Positive
-
1.2V
37V
1
1.5A
-
80dB ~ 65dB (120Hz)
Over Current, Over Temperature, Short Circuit
LM317
Tube
-
0°C ~ 125°C
Surface Mount
40V
Adjustable
TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
D²PAK
-
RFQ
TLV70228QDBVRQ1
Texas Instruments
IC REG LINEAR 2.8V 300MA SOT23-5
In stoc83630 pcs
55 µA
Positive
Enable
2.8V
-
1
300mA
0.375V @ 300mA
68dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TLV70228
Tape & Reel (TR)
Automotive, AEC-Q100
-40°C ~ 125°C (TA)
Surface Mount
5.5V
Fixed
SC-74A, SOT-753
SOT-23-5
370 µA
RFQ
MAX8887EZK18-T
Analog Devices Inc./Maxim Integrated
IC REG LIN 1.8V 300MA TSOT23-5
In stoc15440 pcs
100 µA
Positive
Enable
1.8V
-
1
300mA
-
60dB (1kHz)
Over Current, Over Temperature, Short Circuit
MAX8887
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
65 µA
RFQ
MIC5256-2.6BM5
Micrel Inc.
IC REG LINEAR MICROCAP CMOS LDO
In stoc194720 pcs
150 µA
Positive
Enable
2.6V
-
1
150mA
0.25V @ 150mA
60dB ~ 45dB (10Hz ~ 10kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
-
Bulk
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
LD1086D2M18TR
STMicroelectronics
IC REG LINEAR 1.8V 1.5A D2PAK-3
In stoc6500 pcs
10 mA
Positive
-
1.8V
-
1
1.5A
1.5V @ 1.5A
82dB (120Hz)
Over Current, Over Temperature
LD1086
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
30V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
D2PAK-3
-
RFQ
ADP222ACPZ-2725-R7
Analog Devices Inc.
IC REG LINEAR 2.5V/2.7V 8LFCSP
In stoc38870 pcs
150 µA
Positive
Enable
2.5V, 2.7V
-
2
300mA, 300mA
0.26V @ 300mA, 0.26V @ 300mA
-
Over Current, Over Temperature
ADP222
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
8-UFDFN Exposed Pad, CSP
8-LFCSP-UD (2x2)
450 µA
RFQ
MC33765DTBR2G
onsemi
IC REG LIN 2.8V QUAD 16TSSOP
In stoc13180 pcs
470 µA
Positive
Enable
2.8V, 2.8V, 2.8V, 2.8V, 2.8V
-
5
30mA, 40mA, 50mA, 150mA, 60mA
0.17V @ 30mA, 1.7V @ 40mA, 1.7V @ 50mA, 0.3V @ 150mA, 0.17V @ 60mA
60dB ~ 45dB (1kHz ~ 10kHz), 60dB ~ 22dB (1kHz ~ 100kHz)
Over Current, Over Temperature
MC33765
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.3V
Fixed
16-TSSOP (0.173', 4.40mm Width)
16-TSSOP
-
RFQ
MCP1703-3302E/DB
Microchip Technology
IC REG LIN 3.3V 250MA SOT223-3
In stoc62890 pcs
5 µA
Positive
-
3.3V
-
1
250mA
0.725V @ 250mA
44dB (100Hz)
Over Current, Over Temperature, Short Circuit
MCP1703
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
TPS70158PWPR
Texas Instruments
IC REG LINEAR 3.3V/2.5V 20HTSSOP
In stoc9962 pcs
190 µA
Positive
Enable, Power Good, Reset, Sequencing
3.3V, 2.5V
-
2
500mA, 250mA
0.28V @ 500mA, -
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
TPS70158
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
20-PowerTSSOP (0.173", 4.40mm Width)
20-HTSSOP
230 µA
RFQ
ZSR330CSTZ
Diodes Incorporated
IC REG LINEAR 3.3V 200MA TO92-3
In stoc5960 pcs
600 µA
Positive
-
3.3V
-
1
200mA
-
64dB (120Hz)
Over Temperature, Short Circuit
ZSR330
Tape & Box (TB)
-
-55°C ~ 125°C
Through Hole
20V
Fixed
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
TO-92
-
RFQ
NJM2886DL3-05-TE1
Nisshinbo Micro Devices Inc.
IC REG LINEAR 5V 500MA TO252-5
In stoc54590 pcs
300 µA
Positive
Enable
5V
-
1
500mA
0.18V @ 300mA
75dB (1kHz)
Over Current, Over Temperature, Short Circuit
NJM2886
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
14V
Fixed
TO-252-6, DPak (5 Leads + Tab)
TO-252-5
-
RFQ
AP2202K-2.8TRE1
Diodes Incorporated
IC REG LINEAR 2.8V 150MA SOT23-5
In stoc479000 pcs
150 µA
Positive
Enable
2.8V
-
1
150mA
0.35V @ 150mA
75dB (100Hz)
Over Current, Over Temperature, Reverse Polarity
AP2202
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
13.2V
Fixed
SC-74A, SOT-753
SOT-23-5
2.5 mA
RFQ
SPX3940AT-L-3-3
MaxLinear, Inc.
IC REG LINEAR 3.3V 1A TO263-3
In stoc10570 pcs
-
Positive
-
3.3V
-
1
1A
0.55V @ 1A
-
Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage
-
Tube
-
-40°C ~ 125°C
Surface Mount
16V
Fixed
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
TO-263-3
-
RFQ
TPS75401QPWPR
Texas Instruments
IC REG LIN POS ADJ 2A 20HTSSOP
In stoc8853 pcs
125 µA
Positive
Enable, Power Good, Reset Output
1.5V
5V
1
2A
-
60dB (100Hz)
Over Current, Over Temperature, Reverse Polarity
TPS75401
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
5.5V
Adjustable
20-PowerTSSOP (0.173", 4.40mm Width)
20-HTSSOP
-
RFQ
TPS7A0525PYKAR
Texas Instruments
IC REG LINEAR 2.5V 200MA 4DSBGA
In stoc150250 pcs
3 µA
Positive
Enable
2.5V
-
1
200mA
0.308V @ 200mA
40dB (1kHz ~ 1MHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
TPS7A0525
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XFBGA, DSBGA
4-DSBGA
-
RFQ
NCP133AMX090TCG
onsemi
IC REG LINEAR 0.9V 500MA 6XDFN
In stoc131510 pcs
-
Positive
Enable
0.9V
-
1
500mA
0.25V @ 500mA
80dB ~ 70dB (1kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
NCP133
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
5.5V
Fixed
6-XFDFN Exposed Pad
6-XDFN (1.2x1.2)
-
RFQ
TC1223-5.0VCTTR
Microchip Technology
IC REG LINEAR 5V 50MA SOT23-5
In stoc113910 pcs
80 µA
Positive
Enable
5V
-
1
50mA
0.12V @ 50mA
64dB (1kHz)
Over Current, Over Temperature
TC1223
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
6V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
AP2111H-1.8TRG1
Diodes Incorporated
IC REG LINEAR 1.8V 600MA SOT223
In stoc462050 pcs
80 µA
Positive
-
1.8V
-
1
600mA
1.3V @ 600mA
65dB (100Hz ~ 1kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
AP2111
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6V
Fixed
TO-261-4, TO-261AA
SOT-223-3
-
RFQ
RT9081A-1BGQZA(2)
Richtek USA Inc.
IC REG LINEAR 1.25V 500MA 6ZADFN
In stoc96670 pcs
110 µA
Positive
Enable
1.25V
-
1
500mA
0.25V @ 500mA
80dB (1kHz)
Current Limit, Thermal Shutdown, UVLO
RT9081
Tape & Reel (TR)
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
6-XFDFN Exposed Pad
6-ZADFN (1.2x1.2)
-
RFQ
FAN25800AUC28X
Fairchild Semiconductor
IC REG LINEAR 2.8V 250MA 4WLCSP
In stoc209080 pcs
25 µA
Positive
Enable
2.8V
-
1
250mA
0.13V @ 250mA
85dB ~ 68dB (100Hz ~ 50Hz)
Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
-
Bulk
-
-40°C ~ 85°C (TA)
Surface Mount
5.5V
Fixed
4-XFBGA, WLCSP
4-WLCSP (0.65x0.65)
-
RFQ
TLV75518PDQNR
Texas Instruments
IC REG LINEAR 1.8V 500MA 4X2SON
In stoc495900 pcs
31 µA
Positive
Enable
1.8V
-
1
500mA
0.4V @ 500mA
52dB (1kHz ~ 1MHz)
Over Current, Over Temperature
TLV75518
Tape & Reel (TR)
-
-40°C ~ 125°C (TJ)
Surface Mount
5.5V
Fixed
4-XDFN Exposed Pad
4-X2SON (1x1)
-
RFQ
NCP4586DSN18T1G
onsemi
IC REG LINEAR 1.8V 150MA SOT23-5
In stoc5450 pcs
58 µA
Positive
Enable
1.8V
-
1
150mA
0.68V @ 150mA
80dB (1kHz)
Over Current
NCP4586
Tape & Reel (TR)
-
-40°C ~ 85°C
Surface Mount
6.5V
Fixed
SC-74A, SOT-753
SOT-23-5
-
RFQ
MC78L05ACDG
onsemi
IC REG LINEAR 5V 100MA 8SOIC
In stoc17170 pcs
6 mA
Positive
-
5V
-
1
100mA
-
49dB (120Hz)
Over Temperature, Short Circuit
MC78L05
Tube
-
0°C ~ 125°C
Surface Mount
30V
Fixed
8-SOIC (0.154', 3.90mm Width)
8-SOIC
-
RFQ
MIC2214-KNYML
Micrel Inc.
IC REG LINEAR PORTABLE PWR MGMT
In stoc56590 pcs
80 µA
Positive
Enable, Power On Reset
2.6V, 2.85V
-
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
CAT6219-180TDGT3
onsemi
IC REG LDO 1.8V 500MA TSOT23-5
In stoc16350 pcs
75 µA
Positive
Enable
1.8V
-
1
500mA
0.5V @ 500mA
64dB ~ 54dB (1kHz ~ 20kHz)
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
CAT6219
Cut Tape (CT)
-
-40°C ~ 125°C
Surface Mount
5.5V
Fixed
SOT-23-5 Thin, TSOT-23-5
TSOT-23-5
90 µA
RFQ
TPS77001DBVT
Texas Instruments
IC REG LIN POS ADJ 50MA SOT23-5
In stoc27164 pcs
28 µA
Positive
Enable
1.2V
5.5V
1
50mA
-
60dB (1kHz)
Over Current, Over Temperature, Reverse Polarity
TPS77001
Tape & Reel (TR)
-
-40°C ~ 125°C
Surface Mount
10V
Adjustable
SC-74A, SOT-753
SOT-23-5
-
RFQ