RT2702GQW
Richtek USA Inc.
IC PWM CTRLR WQFN16
In magazzino21165 pcs
Current Limit, Enable, On Time Control, Phase Control, Power Good, Soft Start
1
-
No
No
-
Buck
RT2702
Tape & Reel (TR)
PWM Signal
-
-40°C ~ 125°C (TJ)
Surface Mount
16-WFQFN Exposed Pad
16-WQFN (3x3)
Step-Down
500kHz
1
Positive
4.5V ~ 19V
RFQ
L6725A
STMicroelectronics
IC REG CTRLR BUCK SO-16N
In magazzino7090 pcs
Current Limit, Phase Control, Power Good, Soft Start
1
100%
Yes
Yes
-
Buck
L6725
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.154', 3.90mm Width)
16-SO
Step-Down
250kHz, 500kHz
1
Positive
4.5V ~ 18V
RFQ
LTC3716EG#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 36SSOP
In magazzino4555 pcs
Enable, Power Good, Soft Start
2
99.5%
Yes
No
-
Buck
LTC3716
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
36-SSOP (0.209', 5.30mm Width)
36-SSOP
Step-Down
140kHz ~ 310kHz
2
Positive
4V ~ 36V
RFQ
SG2525AN
Microchip Technology
IC REG CTRLR PUSH-PULL 16DIP
In magazzino11730 pcs
Enable, Soft Start
1
49%
Yes
Yes
-
Push-Pull
SG2525
Tube
Transistor Driver
-
-25°C ~ 85°C (TA)
Through Hole
16-DIP (0.300", 7.62mm)
16-PDIP
Step-Up/Step-Down
100Hz ~ 350kHz
2
Positive
8V ~ 35V
RFQ
MIC2182BSM
Microchip Technology
IC REG CTRLR BUCK 16SSOP
In magazzino11050 pcs
Enable, Soft Start
1
86%
Yes
Yes
-
Buck
MIC2182
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SSOP (0.209", 5.30mm Width)
16-SSOP
Step-Down
300kHz
1
Positive
4.5V ~ 32V
RFQ
LTC3851AEUD#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 16QFN
In magazzino15833 pcs
Current Limit, Enable, Frequency Control, Soft Start, Tracking
1
99%
Yes
No
-
Buck
LTC3851
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
16-WFQFN Exposed Pad
16-QFN (3x3)
Step-Down
235kHz ~ 750kHz
1
Positive
4V ~ 38V
RFQ
LTC3838IUHF-2#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 38QFN
In magazzino7091 pcs
Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
2
-
Yes
No
-
Buck
LTC3838
Tape & Reel (TR)
Transistor Driver
PolyPhase®
-40°C ~ 125°C (TJ)
Surface Mount
38-WFQFN Exposed Pad
38-QFN (5x7)
Step-Down
200kHz ~ 2MHz
2
Positive
4.5V ~ 38V
RFQ
LTC3830EGN#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 16SSOP
In magazzino6645 pcs
Current Limit, Enable, Frequency Control, Soft Start
1
95%
Yes
No
-
Buck
LTC3830
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SSOP (0.154", 3.90mm Width)
16-SSOP
Step-Down
200kHz
1
Positive
3V ~ 8V
RFQ
ISL6565ACV-T
Renesas Electronics America Inc
IC REG CTRLR BUCK 28TSSOP
In magazzino14190 pcs
Enable, Frequency Control, Power Good
3
66.7%
-
No
-
Buck
ISL6565
Tape & Reel (TR)
PWM Signal
-
0°C ~ 105°C (TA)
Surface Mount
28-TSSOP (0.173", 4.40mm Width)
28-TSSOP
Step-Down
80kHz ~ 1.5MHz
3
Positive
4.75V ~ 5.25V
RFQ
ISL8105BCBZ
Renesas Electronics America Inc
IC REG CTRLR BUCK 8SOIC
In magazzino17370 pcs
Current Limit, Enable
1
100%
Yes
No
-
Buck
ISL8105
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Down
300kHz
1
Positive
6.5V ~ 14.4V
RFQ
LTC1702CGN
Linear Technology
LTC1702 - TRANSISTOR DRIVER STEP
In magazzino7725 pcs
Current Limit, Enable, Power Good, Soft Start
2
90%
Yes
No
-
Buck
LTC1702
Bulk
Transistor Driver
-
0°C ~ 70°C
Surface Mount
24-SSOP (0.154", 3.90mm Width)
24-SSOP
Step-Down
550kHz
2
Positive
3V ~ 7V
RFQ
UCC2803DTR
Texas Instruments
IC REG CTRLR MULT TOPOLOGY 8SOIC
In magazzino31201 pcs
Frequency Control
1
99%
No
No
-
Boost, Flyback, Forward Converter
UCC2803
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Up, Step-Up/Step-Down
31kHz
1
Positive
3.6V ~ 12V
RFQ
5962-8670404PA
Texas Instruments
UC1845 CURRENT MODE PWM CONTROLL
In magazzino15480 pcs
-
-
-
-
-
-
-
5962-8670404
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
TPS53688RSBR
Texas Instruments
DUAL-CHANNEL, 8 PHASE STEP-DOWN,
In magazzino7287 pcs
Current Limit
8
-
No
No
PMBus
Buck
TPS53688
Tape & Reel (TR)
Transistor Driver
D-CAP+™
-40°C ~ 125°C
Surface Mount
40-WFQFN Exposed Pad
40-WQFN (5x5)
Step-Down
-
2
Positive
4.5V ~ 17V
RFQ
L6910GTR
STMicroelectronics
IC REG CTRLR BUCK 16SOIC
In magazzino16802 pcs
Current Limit, Frequency Control, Phase Control, Power Good, Soft Start
1
100%
Yes
No
-
Buck
L6910
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 150°C (TJ)
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SO
Step-Down
200kHz
1
Positive
5V ~ 12V
RFQ
TPS51219RTET
Texas Instruments
IC REG CTRLR BUCK 16WQFN
In magazzino19772 pcs
Enable, Power Good
1
-
Yes
No
-
Buck
TPS51219
Tape & Reel (TR)
Transistor Driver
D-CAP™, D-CAP2™
-40°C ~ 85°C (TA)
Surface Mount
16-WFQFN Exposed Pad
16-WQFN (3x3)
Step-Down
-
1
Positive
3V ~ 28V
RFQ
UCC35705DGK
Texas Instruments
IC REG CTRLR MULT TOP 8VSSOP
In magazzino27362 pcs
Current Limit
1
93%
No
No
-
Boost, Flyback, Forward Converter
UCC35705
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-VSSOP
Step-Up, Step-Up/Step-Down
1MHz
1
Positive, Isolation Capable
8.2V ~ 15V
RFQ
MCP19114-E/MQ
Microchip Technology
IC REG CTRLR MULT TOP I2C 28QFN
In magazzino5536 pcs
-
1
-
No
No
I²C
Boost, Cuk, Flyback, SEPIC
MCP19114
Tube
Transistor Driver
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
28-VFQFN Exposed Pad
28-QFN (5x5)
Step-Up, Step-Up/Step-Down
31.25kHz ~ 2MHz
1
Positive
4.5V ~ 42V
RFQ
UCC28084P
Texas Instruments
IC REG CTRLR MULT TOPOLOGY 8DIP
In magazzino13490 pcs
Current Limit, Frequency Control
1
49%
Yes
No
-
Half-Bridge, Push-Pull
UCC28084
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Through Hole
8-DIP (0.300", 7.62mm)
8-PDIP
Step-Up/Step-Down
200kHz
2
Positive
4.1V ~ 15V
RFQ
UC2856DWTR
Texas Instruments
IC REG CTRLR MULT TOP 16SOIC
In magazzino12465 pcs
Enable, Frequency Control, Soft Start
1
47%
Yes
Yes
-
Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
UC2856
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.295', 7.50mm Width)
16-SOIC
Step-Up, Step-Up/Step-Down
200kHz
2
Positive
7V ~ 40V
RFQ
UC2874DW-2
Texas Instruments
IC REG CTRLR BUCK 18SOIC
In magazzino13710 pcs
Soft Start
1
100%
Yes
No
-
Buck
UC2874
Tube
Transistor Driver
-
-25°C ~ 85°C (TA)
Surface Mount
18-SOIC (0.295", 7.50mm Width)
18-SOIC
Step-Down
Up to 300kHz
1
Positive
4.4V ~ 36V
RFQ
MIC2186YM
Microchip Technology
IC REG CTRLR BOOST 16SOIC
In magazzino10128 pcs
Enable, Frequency Control, Soft Start
1
85%
No
Yes
-
Boost
MIC2186
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SOIC
Step-Up
100kHz, 200kHz, 400kHz
1
Positive
2.9V ~ 14V
RFQ
L6919ETR
STMicroelectronics
IC REG CTRLR BUCK 28SOIC
In magazzino7560 pcs
Frequency Control, Phase Control, Power Good
2
80%
Yes
No
-
Buck
L6919
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 125°C (TJ)
Surface Mount
28-SOIC (0.295', 7.50mm Width)
28-SO
Step-Down
150kHz
2
Positive
7.5V ~ 15V
RFQ
LTC3728LXCUH#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 32QFN
In magazzino5570 pcs
Enable, Power Good, Soft Start
2
99.4%
Yes
No
-
Buck
LTC3728
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 85°C (TA)
Surface Mount
32-WFQFN Exposed Pad
32-QFN (5x5)
Step-Down
260kHz ~ 550kHz
2
Positive
4.5V ~ 28V
RFQ
MIC2131-4YTSE
Microchip Technology
IC REG CTRLR BUCK 16TSSOP
In magazzino9598 pcs
Current Limit, Enable, Power Good, Soft Start
1
80%
Yes
No
-
Buck
MIC2131
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
16-TSSOP (0.173', 4.40mm Width) Exposed Pad
16-eTSSOP
Step-Down
400kHz
1
Positive
8V ~ 40V
RFQ
TL594CD
onsemi
IC REG CTRLR BCK/PSH-PULL 16SOIC
In magazzino16890 pcs
Dead Time Control, Frequency Control
1
96%
Yes
No
-
Buck, Push-Pull
TL594
Tube
Transistor Driver
SWITCHMODE™
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SOIC
Step-Down, Step-Up/Step-Down
300kHz
2
Positive
7V ~ 40V
RFQ
CHL8104-09CRT
Infineon Technologies
IC REG BUCK 40VQFN
In magazzino13560 pcs
Enable, Power Good
4
-
No
No
I²C
Buck
CHL8104
Tape & Reel (TR)
PWM
-
0°C ~ 85°C
Surface Mount
40-VFQFN Exposed Pad
PG-VQFN-40-903
Step-Down
200kHz ~ 1.2MHz
5
Positive
3.3V
RFQ
UCC2580DTR-1
Texas Instruments
IC REG CTRLR FWRD CONV 16SOIC
In magazzino16509 pcs
Enable, Ramp, Soft Start
1
66%
No
No
-
Forward Converter
UCC2580
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SOIC
Step-Up/Step-Down
400kHz
2
Positive
8.5V ~ 16V
RFQ
TL494CDG4
Texas Instruments
IC REG CTRLR MULT TOP 16SOIC
In magazzino6520 pcs
Dead Time Control, Frequency Control
1
45%
No
No
-
Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
TL494
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
16-SOIC (0.154', 3.90mm Width)
16-SOIC
Step-Up, Step-Down, Step-Up/Step-Down
1kHz ~ 300kHz
2
Positive
7V ~ 40V
RFQ
MAX16933BATIS/V+T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BUCK 28TQFN
In magazzino14130 pcs
Enable, Frequency Control, Power Good
2
98.5%
Yes
Yes
-
Buck
MAX16933
Tape & Reel (TR)
Transistor Driver
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
28-WFQFN Exposed Pad
28-TQFN (5x5)
Step-Down
200kHz ~ 1MHz
2
Positive
3.5V ~ 42V
RFQ
ADP3040ARMZ-REEL7
Analog Devices Inc.
IC REG PWM BOOST 8MSOP
In magazzino10891 pcs
-
-
-
-
-
-
-
ADP3040
Bulk
-
*
-
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
-
-
-
-
-
RFQ
LTC3851AIUD-1#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 16QFN
In magazzino9064 pcs
Enable, Frequency Control, Power Good, Soft Start, Tracking
1
99%
Yes
No
-
Buck
LTC3851
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
16-WFQFN Exposed Pad
16-QFN (3x3)
Step-Down
235kHz ~ 750kHz
1
Positive
4V ~ 38V
RFQ
ISL6545ACBZ
Renesas Electronics America Inc
IC REG CTRLR BUCK 8SOIC
In magazzino18665 pcs
Current Limit, Enable
1
100%
Yes
No
-
Buck
ISL6545
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Down
600kHz
1
Positive
4.5V ~ 14.4V
RFQ
UC2843BD1
STMicroelectronics
IC REG CTRLR BOOST/FLYBACK 8SO
In magazzino60100 pcs
Frequency Control
1
96%
No
No
-
Boost, Flyback
UC2843
Tube
Transistor Driver
-
-25°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Up, Step-Up/Step-Down
Up to 500kHz
1
Positive, Isolation Capable
7.6V ~ 30V
RFQ
LT3724IFE#PBF
Analog Devices Inc.
IC REG CTRLR MULT TOP 16TSSOP
In magazzino5422 pcs
Enable, Soft Start
1
-
No
No
-
Buck, Boost, SEPIC
LT3724
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
16-TSSOP (0.173", 4.40mm Width) Exposed Pad
16-TSSOP-EP
Step-Up, Step-Down, Step-Up/Step-Down
200kHz
1
Positive or Negative
4V ~ 60V
RFQ
TL594IDRG4
Texas Instruments
IC REG CTRLR MULT TOP 16SOIC
In magazzino12340 pcs
Dead Time Control, Frequency Control
1
97%
No
No
-
Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
TL594
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.154', 3.90mm Width)
16-SOIC
Step-Up, Step-Down, Step-Up/Step-Down
1kHz ~ 300kHz
2
Positive
7V ~ 40V
RFQ
ISL6843IU-T
Intersil
SWITCHING CONTROLLER
In magazzino26397 pcs
Current Limit, Frequency Control
1
96%
Yes
No
-
Boost, Flyback
ISL6843
Bulk
Transistor Driver
-
-40°C ~ 105°C (TA)
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
Step-Up, Step-Up/Step-Down
Up to 2MHz
1
Positive, Isolation Capable
9V ~ 16V
RFQ
LTC3813EG#PBF
Analog Devices Inc.
IC REG CTRLR BOOST 28SSOP
In magazzino4426 pcs
Enable, Power Good, Soft Start
1
-
Yes
Yes
-
Boost
LTC3813
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
28-SSOP (0.209", 5.30mm Width)
28-SSOP
Step-Up
-
1
Positive
6.35V ~ 14V
RFQ
LTC3731CUH#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 32QFN
In magazzino4559 pcs
Enable, Phase Control, Power Good, Soft Start
3
98.5%
Yes
No
-
Buck
LTC3731
Tube
Transistor Driver
PolyPhase®
0°C ~ 70°C (TA)
Surface Mount
32-WFQFN Exposed Pad
32-QFN (5x5)
Step-Down
225kHz ~ 680kHz
3
Positive
3.8V ~ 7V
RFQ
LT3757HMSE#PBF
Analog Devices Inc.
IC REG CTRLR MULT TOP 10MSOP
In magazzino9254 pcs
Enable, Frequency Control, Soft Start
1
-
No
Yes
-
Boost, Flyback, SEPIC
LT3757
Tube
Transistor Driver
-
-40°C ~ 150°C (TJ)
Surface Mount
10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
10-MSOP-EP
Step-Up, Step-Up/Step-Down
100kHz ~ 1MHz
1
Positive and Negative
2.9V ~ 40V
RFQ
ADP1821ARQZ-R7
Analog Devices Inc.
IC REG CTRLR BUCK 16QSOP
In magazzino14534 pcs
Enable, Frequency Control, Power Good, Soft Start
1
90%
Yes
Yes
-
Buck
ADP1821
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SSOP (0.154", 3.90mm Width)
16-QSOP
Step-Down
310kHz, 570kHz
1
Positive
3.7V ~ 5.5V
RFQ
IR3621MTR
Infineon Technologies
IC REG CTRLR BUCK 32MLPQ
In magazzino18178 pcs
Frequency Control, Power Good, Soft Start
2
86.5%
Yes
Yes
-
Buck
IR3621
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
32-VFQFN Exposed Pad
32-MLPQ (5x5)
Step-Down
200kHz ~ 500kHz
2
Positive
5.5V ~ 14.5V
RFQ
UC3578DP
Texas Instruments
IC REG CTRLR BUCK 16SOIC
In magazzino4639 pcs
Current Limit, Soft Start
1
90%
No
No
-
Buck
UC3578
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
16-SOIC (0.154', 3.90mm Width)
16-SOIC
Step-Down
110kHz
1
Positive
14V ~ 72V
RFQ
ZXSC100X8TA
Diodes Incorporated
IC REG CTRLR BOOST 8MSOP
In magazzino14250 pcs
-
1
-
No
No
-
Boost
ZXSC100
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-TSSOP, 8-MSOP (0.118', 3.00mm Width)
8-MSOP
Step-Up
200kHz
1
Positive
0.98V ~ 3.5V
RFQ
TPS51124RGERG4
Texas Instruments
IC REG CTRLR BUCK 24QFN
In magazzino7980 pcs
Enable, On Time Control, Power Good
1
-
Yes
No
-
Buck
TPS51124
Tape & Reel (TR)
Transistor Driver
D-CAP™
-40°C ~ 85°C (TA)
Surface Mount
24-VFQFN Exposed Pad
24-VQFN (4x4)
Step-Down
-
2
Positive
4.5V ~ 5.5V
RFQ
LTC3786IUD#PBF
Analog Devices Inc.
IC REG CTRLR MULT TOPOLOGY 16QFN
In magazzino9030 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start
1
96%
Yes
No
-
Boost, Flyback, SEPIC
LTC3786
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
16-WFQFN Exposed Pad
16-QFN (3x3)
Step-Up, Step-Up/Step-Down
105kHz ~ 760kHz
1
Positive
4.5V ~ 38V
RFQ
UCC38C42DRG4
Texas Instruments
IC OFFLINE CTRLR PWM UVLO 8SOIC
In magazzino8040 pcs
Frequency Control
1
96%
No
No
-
Boost, Flyback, Forward Converter
UCC38C42
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TJ)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Up, Step-Up/Step-Down
Up to 1MHz
1
Positive
9V ~ 18V
RFQ
SC2545MLTRT
Semtech Corporation
IC REG CTRLR BUCK 24MLPQ
In magazzino11780 pcs
Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start
2
90%
Yes
No
-
Buck
SC2545
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
24-VFQFN Exposed Pad
24-MLPQ (4x4)
Step-Down
100kHz ~ 300kHz
2
Positive
4.5V ~ 28V
RFQ
TPS40090RHDR
Texas Instruments
IC REG CTRLR BUCK 28VQFN
In magazzino15943 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start
4
87.5%
No
Yes
-
Buck
TPS40090
Tape & Reel (TR)
PWM Signal
-
-40°C ~ 85°C (TA)
Surface Mount
28-VFQFN Exposed Pad
28-VQFN (5x5)
Step-Down
100kHz ~ 1.2MHz
4
Positive
4.5V ~ 15V
RFQ
XC9221C095MR-G
Torex Semiconductor Ltd
16V INPUT STEP-DOWN DCDC CONTROL
In magazzino68070 pcs
Enable, Soft Start
1
100%
No
No
-
Buck
XC9221
Tape & Reel (TR)
Transistor Driver
XC9221
-40°C ~ 85°C (TA)
Surface Mount
SC-74A, SOT-753
SOT-25-5
Step-Down
500kHz
1
Positive
2.8V ~ 16V
RFQ