UC2844N/81291
Texas Instruments
SWITCHING CONTROLLER
Disponível63670 pcs
Frequency Control
1
48%
No
No
-
Boost, Buck, Flyback, Forward
UC2844
Bulk
Transistor Driver
-
-40°C ~ 85°C (TA)
Through Hole
8-DIP (0.300", 7.62mm)
8-PDIP
Step-Up, Step-Down, Step-Up/Step-Down
Up to 500kHz
1
Positive, Isolation Capable
12V ~ 28V
RFQ
MAX772CSA+T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BOOST 8SOIC
Disponível11697 pcs
Enable
1
-
No
No
-
Boost
MAX772
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Up
300kHz
1
Positive
3V ~ 16.5V
RFQ
LTC3864EDE#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 12DFN
Disponível8129 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start
1
100%
No
No
-
Buck
LTC3864
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
12-WFDFN Exposed Pad
12-DFN (4x3)
Step-Down
50kHz ~ 850kHz
1
Positive
3.5V ~ 60V
RFQ
NCV887720D1R2G
onsemi
IC REG CTRLR BOOST 8SOIC
Disponível37480 pcs
Current Limit, Enable, Frequency Control
1
83%
No
No
-
Boost
NCV887720
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 150°C (TJ)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Up
170kHz
1
Positive
2V ~ 40V
RFQ
UC3843ADR2G
onsemi
IC REG CTRLR BUCK 14SOIC
Disponível12120 pcs
Frequency Control
1
96%
No
No
-
Boost, Flyback
UC3843
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
14-SOIC (0.154", 3.90mm Width)
14-SOIC
Step-Up, Step-Up/Step-Down
Up to 500kHz
1
Positive, Isolation Capable
7.6V ~ 30V
RFQ
FAN7585SN
Fairchild Semiconductor
SWITCHING CONTROLLER
Disponível72390 pcs
Dead Time Control, Frequency Control, Power Good
1
48%
No
No
-
Push-Pull
FAN7585
Tube
Transistor Driver
-
-25°C ~ 85°C (TA)
Through Hole
24-SDIP (0.300", 7.62mm)
24-SDIP
Step-Up/Step-Down
9.4kHz
1
Positive, Isolation Capable
15V ~ 30V
RFQ
ADP5054ACPZ-R7
Analog Devices Inc.
IC REG CTRLR BUCK 48LFCSP
Disponível4434 pcs
Enable, Frequency Control, Power Good
2
50%
Yes
Yes
-
Buck
ADP5054
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
48-WFQFN Exposed Pad, CSP
48-LFCSP (7x7)
Step-Down
250kHz ~ 2MHz
4
Positive
4.5V ~ 15.5V
RFQ
MAX608ESA
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BOOST 8SOIC
Disponível5240 pcs
Enable
1
-
No
No
-
Boost
MAX608
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Up
Up to 300kHz
1
Positive
1.8V ~ 16.5V
RFQ
UC3842N
onsemi
IC REG CTRLR PWM CM 8-DIP
Disponível15050 pcs
Frequency Control
1
97%
No
No
-
Boost, Flyback
UC3842
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Through Hole
8-DIP (0.300", 7.62mm)
8-DIP
Step-Up, Step-Up/Step-Down
Up to 500kHz
1
Positive, Isolation Capable
10V ~ 30V
RFQ
NCP1582ADR2G
onsemi
IC REG CTRLR BUCK 8SOIC
Disponível13390 pcs
Enable, Phase Control
1
75%
Yes
No
-
Buck
NCP1582
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Down
350kHz
1
Positive
4.5V ~ 13.2V
RFQ
LM3489MMX
Texas Instruments
IC REG CTRLR BUCK 8VSSOP
Disponível15920 pcs
Current Limit, Enable
1
100%
No
No
-
Buck
LM3489
Tape & Reel (TR)
Transistor Driver
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-VSSOP
Step-Down
Up to 1MHz
1
Positive
4.5V ~ 35V
RFQ
TPS40304ADRCR
Texas Instruments
IC REG CTRLR BUCK 10SON
Disponível65040 pcs
Enable, Power Good, Soft Start
1
90%
Yes
No
-
Buck
TPS40304
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
10-VFDFN Exposed Pad
10-VSON (3x3)
Step-Down
600kHz
1
Positive
3V ~ 20V
RFQ
LTC3850IGN-1#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 28SSOP
Disponível6369 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
2
97.2%
Yes
No
-
Buck
LTC3850
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
28-SSOP (0.154', 3.90mm Width)
28-SSOP
Step-Down
250kHz ~ 780kHz
2
Positive
4V ~ 30V
RFQ
MAX5070BASA+T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR FLYBACK 8SOIC
Disponível23625 pcs
Frequency Control
1
49.8%
No
No
-
Flyback
MAX5070
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Up/Step-Down
20kHz ~ 1MHz
1
Positive, Isolation Capable
10.8V ~ 30V
RFQ
LTC7812EUH#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK/BOOST 32QFN
Disponível4150 pcs
Enable, Frequency Control, Power Good, Soft Start, Tracking
1
96%, 99%
No
No
-
Buck, Boost
LTC7812
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
32-WFQFN Exposed Pad
32-QFN (5x5)
Step-Up, Step-Down
115kHz ~ 835kHz, 350kHz ~ 535kHz
2
Positive
4.5V ~ 38V
RFQ
UC2843BN
onsemi
CURRENT MODE PWM CONTROLLER
Disponível65290 pcs
Frequency Control
1
96%
No
No
-
Boost, Flyback
UC2843
Tube
Transistor Driver
-
-25°C ~ 85°C (TA)
Through Hole
8-DIP (0.300", 7.62mm)
8-PDIP
Step-Up, Step-Up/Step-Down
Up to 500kHz
1
Positive, Isolation Capable
7.6V ~ 30V
RFQ
LM5025MTCX
Texas Instruments
IC REG CTRLR FWRD CONV 16TSSOP
Disponível11390 pcs
Dead Time Control, Frequency Control, Ramp, Soft Start
1
80%
No
Yes
-
Forward Converter
LM5025
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
16-TSSOP (0.173', 4.40mm Width)
16-TSSOP
Step-Up/Step-Down
200kHz ~ 580kHz
2
Positive, Isolation Capable
8V ~ 15V
RFQ
ISL81401FRZ-T
Renesas Electronics America Inc
40V 4-SW SYNCH BUCK-BOOST PWM
Disponível11183 pcs
Current Limit, Enable, Power Good
2
-
Yes
Yes
-
Buck-Boost
ISL81401
Tape & Reel (TR)
PWM Signal
-
-40°C ~ 125°C (TA)
Surface Mount
32-VFQFN Exposed Pad
32-QFN (5x5)
Step-Up/Step-Down
90kHz ~ 650kHz
1
Positive
4.5V ~ 40V
RFQ
RT8130BGQW
Richtek USA Inc.
IC REG CTRLR BUCK 10WDFN
Disponível5880 pcs
Enable, Phase Control, Power Good
1
88%
Yes
No
-
Buck
RT8130
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
10-WFDFN Exposed Pad
10-WDFN (3x3)
Step-Down
300kHz
1
Positive
4.5V ~ 13.2V
RFQ
ISL81601FRZ-T7A
Renesas Electronics America Inc
SWITCH SYNCH BUCK-BOOST PWM
Disponível10330 pcs
Current Limit, Enable, Power Good
2
-
Yes
Yes
-
Buck-Boost
ISL81601
Tape & Reel (TR)
PWM Signal
-
-40°C ~ 125°C (TA)
Surface Mount
32-VFQFN Exposed Pad
32-QFN (5x5)
Step-Up/Step-Down
90kHz ~ 650kHz
1
Positive
4.5V ~ 60V
RFQ
MAX5020ESA
Analog Devices Inc./Maxim Integrated
IC REG CTRLR FLYBACK 8SOIC
Disponível14100 pcs
Enable, Soft Start
1
50%
No
No
-
Flyback
MAX5020
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Up/Step-Down
275kHz
1
Positive, Isolation Capable
13V ~ 36V
RFQ
CS51022AEDR16
onsemi
IC REG CTRLR MULT TOP 16SOIC
Disponível14070 pcs
Current Limit, Soft Start
1
-
No
No
-
Flyback, Forward Converter, Push-Pull
CS51022
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
1MHz
1
Positive, Isolation Capable
7.7V ~ 20V
RFQ
LTC3853IUJ#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 40QFN
Disponível4886 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
3
98%
Yes
No
-
Buck
LTC3853
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
40-WFQFN Exposed Pad
40-QFN (6x6)
Step-Down
250kHz ~ 750kHz
3
Positive
4.5V ~ 24V
RFQ
UCC3585MTR
Texas Instruments
IC REG CTRLR BUCK 16SSOP
Disponível7920 pcs
Current Limit, Enable, Frequency Control, Soft Start
1
100%
Yes
No
-
Buck
UCC3585
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 85°C (TA)
Surface Mount
16-SSOP (0.154', 3.90mm Width)
16-SSOP
Step-Down
500kHz
1
Positive
3V ~ 5.5V
RFQ
MAX5014ESA
Analog Devices Inc./Maxim Integrated
IC REG CTRLR FLYBACK 8SOIC
Disponível9790 pcs
Enable, Soft Start
1
85%
No
No
-
Flyback
MAX5014
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Up/Step-Down
275kHz
1
Positive, Isolation Capable
13V ~ 36V
RFQ
LTC1771ES8#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 8SOIC
Disponível8402 pcs
Enable, Soft Start
1
100%
No
No
-
Buck
LTC1771
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SO
Step-Down
-
1
Positive
2.8V ~ 18V
RFQ
BD9011KV-E2
Rohm Semiconductor
IC REG CTRLR BUCK 48VQFP
Disponível8925 pcs
Enable, Frequency Control, Soft Start
1
-
Yes
Yes
-
Buck
BD9011
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 105°C (TA)
Surface Mount
48-LQFP
48-VQFPC (7x7)
Step-Down
300kHz
2
Positive
3.9V ~ 30V
RFQ
LTC3872EDDB#TRMPBF
Linear Technology
CURRENT MODE BOOST DC/DC CONTROL
Disponível4380 pcs
Current Limit, Enable, Soft Start
1
-
No
No
-
Boost
LTC3872
Bulk
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-WFDFN Exposed Pad
8-DFN (3x2)
Step-Up
550kHz
1
Positive
2.75V ~ 9.8V
RFQ
UC3526N
Texas Instruments
IC REG CTRLR MULT TOPOLOGY 18DIP
Disponível23374 pcs
Enable, Frequency Control, Reset, Soft Start
1
49%
Yes
Yes
-
Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
UC3526
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Through Hole
18-DIP (0.300', 7.62mm)
18-PDIP
Step-Up, Step-Down, Step-Up/Step-Down
1Hz ~ 400kHz
2
Positive
8V ~ 35V
RFQ
LM5176PWPT
Texas Instruments
.5-55VIN 4 SWITCH BUCK-BOOST CON
Disponível7030 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start
1
100%
Yes
Yes
-
Buck-Boost
LM5176
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
28-PowerTSSOP (0.173", 4.40mm Width)
28-HTSSOP
Step-Up/Step-Down
100kHz ~ 600kHz
1
Positive
4.2V ~ 55V
RFQ
S-8356K50MC-NFJT2G
ABLIC Inc.
IC REG CTRLR BOOST SOT23-5
Disponível61320 pcs
Enable
1
83%
No
No
-
Boost
S-8356
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
SC-74A, SOT-753
SOT-23-5
Step-Up
100kHz
1
Positive
0.9V ~ 10V
RFQ
LTC3869IGN-2#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 28SSOP
Disponível5558 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
2
95%
Yes
Yes
-
Buck
LTC3869
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
28-SSOP (0.154", 3.90mm Width)
28-SSOP
Step-Down
250kHz ~ 780kHz
2
Positive
4V ~ 38V
RFQ
TL3842DR
Texas Instruments
IC REG CTRLR BST FLYBK CM 14SOIC
Disponível33980 pcs
Frequency Control
1
97%
No
No
-
Boost, Flyback, Forward
TL3842
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
14-SOIC (0.154", 3.90mm Width)
14-SOIC
Step-Up, Step-Up/Step-Down
Up to 500kHz
1
Positive
10V ~ 30V
RFQ
FAN5037M
onsemi
IC REG CTRLR BUCK 8SOIC
Disponível11940 pcs
-
1
85%
No
No
-
Buck
FAN5037
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Down
-
1
Positive
4.75V ~ 5.25V
RFQ
S-8352A33MC-K2ST2G
ABLIC Inc.
IC REG CTRLR BOOST SOT23-5
Disponível50090 pcs
Enable
1
75%
No
No
-
Boost
S-8352
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
SC-74A, SOT-753
SOT-23-5
Step-Up
100kHz
1
Positive
0.9V ~ 10V
RFQ
MIC38C45YM
Microchip Technology
IC REG CTRLR MULT TOPOLOGY 8SOIC
Disponível32897 pcs
Frequency Control
1
50%
Yes
No
-
Buck, Boost, Flyback, Forward Converter
MIC38C45
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Up, Step-Down, Step-Up/Step-Down
500kHz
1
Positive, Isolation Capable
7.6V ~ 20V
RFQ
RT8120DGSP
Richtek USA Inc.
IC REG CTRLR BUCK 8SOP
Disponível4470 pcs
Enable, Phase Control
1
85%
Yes
No
-
Buck
RT8120
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width) Exposed Pad
8-SOP-EP
Step-Down
300kHz
1
Positive
3V ~ 13.2V
RFQ
MAX1771CSA+T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BST/BUCK-BST 8SOIC
Disponível8569 pcs
Enable
1
92%
No
No
-
Boost, Buck-Boost
MAX1771
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Up, Step-Up/Step-Down
300kHz
1
Positive
3V ~ 16.5V
RFQ
ISL6406IVZ
Intersil
SWITCHING CONTROLLER, VOLTAGE-MO
Disponível9647 pcs
Enable, Frequency Control, Phase Control
1
96%
Yes
Yes
-
Buck
ISL6406
Bulk
Transistor Driver
-
-40°C ~ 85°C
Surface Mount
16-TSSOP (0.173", 4.40mm Width)
16-TSSOP
Step-Down
100kHz ~ 715kHz
1
Positive
2.97V ~ 3.63V
RFQ
LTC1149CS-5#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 16SOIC
Disponível5159 pcs
Current Limit, Enable
1
100%
Yes
No
-
Buck
LTC1149
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
16-SOIC (0.154', 3.90mm Width)
16-SO
Step-Down
Up to 250kHz
1
Positive
Up to 48V
RFQ
LV5761V-TLM-E
onsemi
IC REG CTRLR BUCK 16SSOP
Disponível9010 pcs
Current Limit, Enable, Frequency Control, Soft Start
1
85%
Yes
Yes
-
Buck
LV5761
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-LSSOP (0.173', 4.40mm Width)
16-SSOP
Step-Down
125kHz
1
Positive
8.5V ~ 42V
RFQ
ADP1878ACPZ-0.3-R7
Analog Devices Inc.
IC REG CTRLR BUCK 14LFCSP
Disponível5830 pcs
Enable, Power Good, Soft Start
1
84%
Yes
No
-
Buck
ADP1878
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
14-WFDFN Exposed Pad, CSP
14-LFCSP-WD (4x3)
Step-Down
300kHz
1
Positive
2.95V ~ 20V
RFQ
CS51021AEDR16
onsemi
IC REG CTRLR MULT TOP 16SOIC
Disponível16710 pcs
Current Limit, Soft Start
1
-
No
Yes
-
Flyback, Forward Converter, Push-Pull
CS51021
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
1MHz
1
Positive, Isolation Capable
7.7V ~ 20V
RFQ
LTC1148CS-5#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 14SOIC
Disponível3621 pcs
Current Limit, Enable
1
100%
Yes
No
-
Buck
LTC1148
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
14-SOIC (0.154', 3.90mm Width)
14-SO
Step-Down
Up to 250kHz
1
Positive
3.5V ~ 20V
RFQ
NCP1571DR2
onsemi
IC REG CTRLR BUCK 8SOIC
Disponível16800 pcs
Power Good
1
-
Yes
No
-
Buck
NCP1571
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 125°C (TJ)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Down
200kHz
1
Positive
7.5V ~ 15V
RFQ
MAX15003ATM+T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BUCK 48TQFN
Disponível12380 pcs
Current Limit, Enable, Frequency Control, Phase Control, Power Good, Reset, Tracking
3
-
Yes
Yes
-
Buck
MAX15003
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
48-WFQFN Exposed Pad
48-TQFN (7x7)
Step-Down
200kHz ~ 2.2MHz
3
Positive
5.5V ~ 23V
RFQ
LTC3731CUH#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 32QFN
Disponível4559 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
UCC2803PWTR
Texas Instruments
IC REG CTRLR MULT TOP 8TSSOP
Disponível27830 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-TSSOP (0.173', 4.40mm Width)
8-TSSOP
Step-Up, Step-Up/Step-Down
31kHz
1
Positive
3.6V ~ 12V
RFQ
UCC3808APWTR-2
Texas Instruments
IC REG CTRLR PUSH-PULL 8TSSOP
Disponível17757 pcs
Frequency Control
1
49%
No
No
-
Push-Pull
UCC3808
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-TSSOP (0.173', 4.40mm Width)
8-TSSOP
Step-Up/Step-Down
194kHz
2
Positive
4.1V ~ 15V
RFQ
UC2824N
Texas Instruments
IC REG CTRLR BOOST 16DIP
Disponível1979 pcs
Current Limit, Enable, Frequency Control, Ramp, Soft Start
1
80%
No
No
-
Boost
UC2824
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Through Hole
16-DIP (0.300', 7.62mm)
16-PDIP
Step-Up
340kHz ~ 460kHz
1
Positive
8.4V ~ 30V
RFQ