UC3844BVDR2
onsemi
IC REG CTRLR PWM CM 14-SOIC
В наявності4490 pcs
Frequency Control
1
48%
No
No
-
Boost, Flyback
UC3844
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 105°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
10V ~ 36V
RFQ
ISL6520ACBZ
Renesas Electronics America Inc
IC REG CTRLR BUCK 8SOIC
В наявності21385 pcs
Phase Control
1
100%
Yes
No
-
Buck
ISL6520
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Down
300kHz
1
Positive
4.5V ~ 5.5V
RFQ
LTC1147CS8-3.3#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 8SOIC
В наявності8735 pcs
Current Limit, Enable
1
100%
No
No
-
Buck
LTC1147
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SO
Step-Down
-
1
Positive
3.5V ~ 14V
RFQ
ZL6100ALBF
Renesas Electronics America Inc
IC REG CTRLR BUCK PMBUS 36QFN
В наявності17360 pcs
Current Limit, Enable, Power Good, Soft Start, Tracking
1
95%
Yes
Yes
I²C, PMBus, SMBus
Buck
ZL6100
Tube
Transistor Driver
Digital-DC™
-40°C ~ 85°C (TA)
Surface Mount
36-VFQFN Exposed Pad
36-QFN (6x6)
Step-Down
200kHz ~ 1.4MHz
1
Positive
3V ~ 5.5V
RFQ
MIC2183BQS
Microchip Technology
IC REG CTRLR BUCK 16QSOP
В наявності6240 pcs
Enable, Frequency Control, Soft Start
1
100%
Yes
Yes
-
Buck
MIC2183
Bulk
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SSOP (0.154', 3.90mm Width)
16-QSOP
Step-Down
200kHz, 400kHz
1
Positive
2.9V ~ 14V
RFQ
SG2525AN
Microchip Technology
IC REG CTRLR PUSH-PULL 16DIP
В наявності11730 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
LTC3890EGN-1#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 28SSOP
В наявності6165 pcs
Enable, Frequency Control, Power Good, Soft Start, Tracking
2
99%
Yes
No
-
Buck
LTC3890
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
28-SSOP (0.154', 3.90mm Width)
28-SSOP
Step-Down
105kHz ~ 835kHz, 350kHz ~ 535kHz
2
Positive
4V ~ 60V
RFQ
ISL6565ACB
Renesas Electronics America Inc
IC REG CTRLR BUCK 28SOIC
В наявності7520 pcs
Enable, Frequency Control, Power Good
3
66.7%
-
No
-
Buck
ISL6565
Tube
PWM Signal
-
0°C ~ 105°C (TA)
Surface Mount
28-SOIC (0.295', 7.50mm Width)
28-SOIC
Step-Down
80kHz ~ 1.5MHz
3
Positive
4.75V ~ 5.25V
RFQ
LTC3880EUJ-1#PBF
Analog Devices Inc.
IC REG CTRLR BUCK PMBUS 40QFN
В наявності3336 pcs
Enable, Frequency Control
2
-
Yes
Yes
I²C, PMBus
Buck
LTC3880
Tube
Transistor Driver
PolyPhase®
-40°C ~ 105°C (TA)
Surface Mount
40-WFQFN Exposed Pad
40-QFN (6x6)
Step-Down
-
2
Positive
4.5V ~ 24V
RFQ
RT8208BGQW
Richtek USA Inc.
IC REG CTRLR BUCK 16WQFN
В наявності3960 pcs
Enable, On Time Control, Phase Control, Power Good
1
-
Yes
No
-
Buck
RT8208
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-WFQFN Exposed Pad
16-WQFN (3x3)
Step-Down
-
1
Positive
4.5V ~ 5.5V
RFQ
ISL6558CB
Renesas Electronics America Inc
IC REG CTRLR BUCK 16SOIC
В наявності15440 pcs
Enable, Frequency Control, Power Good
4
75%
-
No
-
Buck
ISL6558
Tube
PWM Signal
-
0°C ~ 70°C (TA)
Surface Mount
16-SOIC (0.154', 3.90mm Width)
16-SOIC
Step-Down
80kHz ~ 1.5MHz
4
Positive
4.75V ~ 5.25V
RFQ
TL1454ACD
Texas Instruments
IC REG CTRLR MULT TOP 16SOIC
В наявності14127 pcs
Dead Time Control, Frequency Control
1
100%
Yes
No
-
Buck, Boost, Flyback
TL1454
Tube
Transistor Driver
-
-20°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SOIC
Step-Up, Step-Down, Step-Up/Step-Down
50kHz ~ 2MHz
2
Positive, Isolation Capable
3.6V ~ 20V
RFQ
UCC28220PW
Texas Instruments
IC REG CTRLR MULT TOP 16TSSOP
В наявності11079 pcs
Ramp, Soft Start
1
75%
No
No
-
Flyback, Forward Converter
UCC28220
Tube
Transistor Driver
-
-40°C ~ 105°C (TA)
Surface Mount
16-TSSOP (0.173', 4.40mm Width)
16-TSSOP
Step-Up/Step-Down
200kHz ~ 2MHz
2
Positive
8.4V ~ 14.5V
RFQ
UC3879N
Texas Instruments
IC REG CTRLR HALF-BRIDGE 20DIP
В наявності5508 pcs
Frequency Control, Ramp, Soft Start
1
50%
Yes
Yes
-
Half-Bridge
UC3879
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Through Hole
20-DIP (0.300', 7.62mm)
20-PDIP
Step-Up/Step-Down
Up to 300kHz
4
Positive
9V ~ 20V
RFQ
AP3586BMTR-G1
Diodes Incorporated
IC REG CTRLR BUCK 8SOIC
В наявності5810 pcs
Enable, Phase Control
1
82%
Yes
No
-
Buck
AP3586
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
Step-Down
300kHz
1
Positive
5V ~ 12V
RFQ
ISL6559CR-T
Intersil
SWITCHING CONTROLLER
В наявності26555 pcs
Current Limit, Enable, Frequency Control, Power Good
4
75%
-
No
-
Buck
ISL6559
Bulk
PWM Signal
-
0°C ~ 70°C (TA)
Surface Mount
32-VFQFN Exposed Pad
32-QFN (5x5)
Step-Down
80kHz ~ 1MHz
4
Positive
4.75V ~ 5.25V
RFQ
MAX1717EEG
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BUCK 24QSOP
В наявності11070 pcs
Current Limit, Enable, On Time Control, Slew Control
1
100%
Yes
No
-
Buck
MAX1717
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
24-SSOP (0.154', 3.90mm Width)
24-QSOP
Step-Down
200kHz, 300kHz, 550kHz, 1MHz
1
Positive
4.5V ~ 5.5V
RFQ
MAX797HESE+
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BUCK 16SOIC
В наявності3015 pcs
Enable, Pulse Skipping, Soft Start
1
96%
Yes
Yes
-
Buck
MAX797
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.154", 3.90mm Width)
16-SOIC
Step-Down
150kHz, 300kHz
1
Positive
5V ~ 30V
RFQ
MAX772CSA+
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BOOST 8SOIC
В наявності7203 pcs
Enable
1
-
No
No
-
Boost
MAX772
Tube
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
UCC3882PW-1
Texas Instruments
SWITCHING CONTROLLER
В наявності24253 pcs
-
-
-
-
-
-
-
UCC3882
Bulk
-
*
-
-
-
-
-
-
-
-
-
RFQ
NCP81102MNTXG
onsemi
IC REG BUCK CTLR 32QFN
В наявності53410 pcs
-
-
-
-
-
-
-
NCP81102
Tape & Reel (TR)
-
-
-
Surface Mount
32-VFQFN Exposed Pad
32-QFN (5x5)
-
-
-
-
-
RFQ
LT3791MPFE-1#PBF
Analog Devices Inc.
IC REG CTRLR BUCK-BOOST 38TSSOP
В наявності1785 pcs
Enable, Frequency Control, Soft Start
2
-
Yes
Yes
-
Buck-Boost
LT3791
Tube
Transistor Driver
-
-55°C ~ 150°C (TJ)
Surface Mount
38-TFSOP (0.173", 4.40mm Width) Exposed Pad
38-TSSOP-EP
Step-Up/Step-Down
200kHz ~ 700kHz
2
Positive
4.7V ~ 60V
RFQ
ISL6560CB
Renesas Electronics America Inc
IC REG CTRLR BUCK 16SOIC
В наявності5580 pcs
Frequency Control, Power Good
2
50%
-
No
-
Buck
ISL6560
Tube
PWM Signal
-
0°C ~ 70°C (TA)
Surface Mount
16-SOIC (0.154', 3.90mm Width)
16-SOIC
Step-Down
Up to 2MHz
2
Positive
10.8V ~ 13.2V
RFQ
ISL6341BCRZ-T
Renesas Electronics America Inc
IC REG CTRLR BUCK 10-TDFN
В наявності14620 pcs
Enable, Phase Control, Power Good, Power on Reset
1
75%
Yes
No
-
Buck
ISL6341
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
10-WFDFN Exposed Pad
10-TDFN-EP (3x3)
Step-Down
600kHz
1
Positive
4.5V ~ 14.4V
RFQ
LTC3850EGN#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 28SSOP
В наявності7884 pcs
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
2
97.2%
Yes
No
-
Buck
LTC3850
Tube
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 ~ 24V
RFQ
LT3781IG
Analog Devices Inc.
IC REG CTRLR FWRD CONV 20SSOP
В наявності1740 pcs
Enable, Soft Start
1
-
No
Yes
-
Forward Converter
LT3781
Tube
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
20-SSOP (0.209', 5.30mm Width)
20-SSOP
Step-Up/Step-Down
700kHz
1
Positive, Isolation Capable
9V ~ 18V
RFQ
LT1680CN#PBF
Analog Devices Inc.
IC REG CTRLR BST/FWRD CONV 16DIP
В наявності4960 pcs
Enable, Soft Start
1
90%
No
Yes
-
Boost, Forward Converter
LT1680
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Through Hole
16-DIP (0.300', 7.62mm)
16-PDIP
Step-Up, Step-Up/Step-Down
-
1
Positive
9V ~ 60V
RFQ
LTC3732CG
Analog Devices Inc.
IC REG CTRLR BUCK 36SSOP
В наявності3476 pcs
Enable, Power Good, Soft Start
3
98.5%
Yes
No
-
Buck
LTC3732
Tube
Transistor Driver
PolyPhase®
0°C ~ 70°C (TA)
Surface Mount
36-SSOP (0.209", 5.30mm Width)
36-SSOP
Step-Down
225kHz ~ 680kHz
3
Positive
4.5V ~ 7V
RFQ
ISL6420AIAZ-TK
Renesas Electronics America Inc
IC REG CTRLR BUCK 20QSOP
В наявності6970 pcs
Enable, Frequency Control, Phase Control, Power Good, Soft Start
1
96%
Yes
No
-
Buck
ISL6420
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
20-SSOP (0.154', 3.90mm Width)
20-QSOP
Step-Down
100kHz ~ 1.4MHz
1
Positive
5.6V ~ 28V
RFQ
XRP7704ILB-F
MaxLinear, Inc.
IC REG CTRLR BUCK I2C 40TQFN
В наявності9440 pcs
Enable
4
85%
Yes
No
I²C
Buck
XRP7704
Bulk
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
40-WFQFN Exposed Pad
40-TQFN (6x6)
Step-Down
300kHz ~ 1.5MHz
4
Positive
6.5V ~ 20V
RFQ
TPS40003DGQRG4
Texas Instruments
IC REG CTRLR BUCK 10MSOP
В наявності10180 pcs
Current Limit, Enable, Soft Start
1
93%
Yes
No
-
Buck
TPS40003
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
10-HVSSOP
Step-Down
600kHz
1
Positive
2.25V ~ 5.5V
RFQ
UC2823DWTR
Texas Instruments
IC REG CTRLR MULT TOP 16SOIC
В наявності10952 pcs
Current Limit, Enable, Frequency Control, Ramp, Soft Start
1
80%
No
No
-
Buck, Boost, Flyback, Forward Converter
UC2823
Tape & Reel (TR)
Transistor Driver
-
-25°C ~ 85°C (TA)
Surface Mount
16-SOIC (0.295", 7.50mm Width)
16-SOIC
Step-Up, Step-Down, Step-Up/Step-Down
340kHz ~ 460kHz
1
Positive
8.4V ~ 30V
RFQ
LTC3810IG#PBF
Analog Devices Inc.
IC REG CTRLR BUCK 28SSOP
В наявності5551 pcs
Enable, Power Good, Soft Start, Tracking
1
-
Yes
Yes
-
Buck
LTC3810
Tube
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
28-SSOP (0.209', 5.30mm Width)
28-SSOP
Step-Down
-
1
Positive
6.35V ~ 14V
RFQ
UCC38C45DR
Texas Instruments
IC REG CTRLR MULT TOPOLOGY 8SOIC
В наявності103630 pcs
Frequency Control
1
48%
No
No
-
Boost, Flyback, Forward Converter
UCC38C45
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
7.6V ~ 18V
RFQ
LM5041SD
Texas Instruments
IC REG CTRLR MULT TOP 16WSON
В наявності14784 pcs
Dead Time Control, Frequency Control, Soft Start
1
-
Yes
Yes
-
Half-Bridge, Push-Pull
LM5041
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
16-WFDFN Exposed Pad
16-WSON (5x5)
Step-Up/Step-Down
200kHz, 600kHz
1
Positive
15V ~ 90V
RFQ
LTC1772ES6#TRPBF
Analog Devices Inc.
IC REG CTRLR MULT TOP SOT23-6
В наявності8634 pcs
Enable
1
100%
No
No
-
Buck, Boost, Flyback
LTC1772
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
SOT-23-6 Thin, TSOT-23-6
TSOT-23-6
Step-Up, Step-Down, Step-Up/Step-Down
550kHz
1
Positive
2.5V ~ 9.8V
RFQ
MAX1771CSA-T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BST/BUCK-BST 8SOIC
В наявності4780 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
RT9612BZS
Richtek USA Inc.
IC BUCK MOSFET DRVR SOP-8
В наявності149500 pcs
Dead Time Control, Phase Control
1
-
Yes
No
-
Buck
RT9612
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOP
Step-Down
Up to 500kHz
1
Positive
4.5V ~ 13.5V
RFQ
UCC3808DTR-2
Texas Instruments
IC REG CTRLR PUSH-PULL 8SOIC
В наявності25575 pcs
Frequency Control
1
49%
No
No
-
Push-Pull
UCC3808
Tape & Reel (TR)
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
8-SOIC (0.154', 3.90mm Width)
8-SOIC
Step-Up/Step-Down
194kHz
2
Positive
4.1V ~ 15V
RFQ
UCC28220QPWRQ1
Texas Instruments
IC REG CTRLR MULT TOP 16TSSOP
В наявності9214 pcs
Ramp, Soft Start
1
75%
No
No
-
Flyback, Forward Converter
UCC28220
Tape & Reel (TR)
Transistor Driver
Automotive, AEC-Q100
-40°C ~ 125°C (TJ)
Surface Mount
16-TSSOP (0.173', 4.40mm Width)
16-TSSOP
Step-Up/Step-Down
200kHz ~ 2MHz
2
Positive
8V ~ 14.5V
RFQ
LTC3728LEUH-1#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 32QFN
В наявності4691 pcs
Enable, Power Good, Soft Start
2
99.4%
Yes
No
-
Buck
LTC3728
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
32-WFQFN Exposed Pad
32-QFN (5x5)
Step-Down
260kHz ~ 550kHz
2
Positive
4.5V ~ 28V
RFQ
LTC1435CG
Analog Devices Inc.
IC REG CTRLR BUCK 16SSOP
В наявності8610 pcs
Enable, Soft Start
1
99%
Yes
No
-
Buck
LTC1435
Tube
Transistor Driver
-
0°C ~ 70°C (TA)
Surface Mount
16-SSOP (0.209', 5.30mm Width)
16-SSOP
Step-Down
Up to 400kHz
1
Positive
3.5V ~ 30V
RFQ
MAX5053AEUA+T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR BOOST 8UMAX
В наявності19675 pcs
Enable
1
50%
No
No
-
Boost
MAX5053
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-uMAX/uSOP
Step-Up
262kHz
1
Positive, Isolation Capable
10.8V ~ 24V
RFQ
LTC3822EMSE#TRPBF
Analog Devices Inc.
IC REG CTRLR BUCK 10MSOP
В наявності14611 pcs
Enable, Frequency Control
1
99%
Yes
No
-
Buck
LTC3822
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
10-TFSOP, 10-MSOP (0.118', 3.00mm Width) Exposed Pad
10-MSOP-EP
Step-Down
300kHz, 550kHz, 750kHz
1
Positive
2.75V ~ 4.5V
RFQ
ISL6741IVZ-T
Renesas Electronics America Inc
IC REG CTRLR MULT TOP 16TSSOP
В наявності10067 pcs
Enable, Frequency Control, Soft Start
1
83%
Yes
Yes
-
Full-Bridge, Half-Bridge, Push-Pull
ISL6741
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 105°C (TA)
Surface Mount
16-TSSOP (0.173', 4.40mm Width)
16-TSSOP
Step-Up/Step-Down
Up to 1MHz
2
Positive, Isolation Capable
9V ~ 16V
RFQ
MAX5020ESA+T
Analog Devices Inc./Maxim Integrated
IC REG CTRLR FLYBACK 8SOIC
В наявності13192 pcs
Enable, Soft Start
1
50%
No
No
-
Flyback
MAX5020
Tape & Reel (TR)
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
LT8710IFE#TRPBF
Analog Devices Inc.
IC REG CTRLR MULT TOP 20TSSOP
В наявності3790 pcs
Enable, Frequency Control, Soft Start
1
-
Yes
Yes
-
Boost, Flyback, SEPIC
LT8710
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
20-TSSOP (0.173", 4.40mm Width) Exposed Pad
20-TSSOP-EP
Step-Up, Step-Down, Step-Up/Step-Down
100kHz ~ 750kHz
1
Positive or Negative
4.5V ~ 80V
RFQ
LTC1773EMS#PBF
Linear Technology
SYNCHRONOUS STEP-DOWN DC/DC CONT
В наявності4430 pcs
Enable, Soft Start
1
100%
Yes
Yes
-
Buck
LTC1773
Bulk
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
10-MSOP
Step-Down
550kHz
1
Positive
2.65V ~ 8.5V
RFQ
ISL8126IRZ-T
Renesas Electronics America Inc
IC REG CTRLR BUCK 32QFN
В наявності8584 pcs
Current Limit, Enable, Frequency Control, Power Good
2
90%
Yes
Yes
-
Buck
ISL8126
Tape & Reel (TR)
Transistor Driver
-
-40°C ~ 85°C (TA)
Surface Mount
32-VFQFN Exposed Pad
32-QFN (5x5)
Step-Down
150kHz ~ 1.5MHz
2
Positive
3V ~ 5.6V
RFQ
LTC3810EUH-5#PBF
Linear Technology
60 VOLT CURRENT MODE SYNCHRONOUS
В наявності9830 pcs
Enable, Power Good, Soft Start, Tracking
1
-
Yes
Yes
-
Buck
LTC3810
Bulk
Transistor Driver
-
-40°C ~ 125°C (TJ)
Surface Mount
32-WFQFN Exposed Pad
32-QFN (5x5)
Step-Down
-
1
Positive
4.35V ~ 14V
RFQ