Logarithmic ratio operational amplifier

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Allicdata Part#	Mft.Part#	Company	Spec.	QTY.	Pricing(USD)
296-11545-5-ND	UCC39421N	Texas Instruments	View more Packaging: Tube Part Status: Discontinued at Digi-Key Output Type: Transistor Driver Function: Step-Up, Step-Up/Step-Down Output Configuration: Positive Topology: Boost, Flyback, SEPIC Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 1.8 V ~ 8 V Frequency - Switching: 150kHz ~ 1.2MHz Duty Cycle (Max): 88% Synchronous Rectifier: Yes Clock Sync: Yes Control Features: Enable, Frequency Control, Low Battery, Reset Operating Temperature: 0C ~ 70C (TA) Package / Case: 16-DIP (0.300", 7.62mm) Supplier Device Package: 16-PDIP Base Part Number: UCC39421	1000 Order	--
UC2846Q-ND	UC2846Q	Texas Instruments	View more Packaging: Tube Part Status: Obsolete Output Type: Transistor Driver Function: Step-Up, Step-Up/Step-Down Output Configuration: Positive Topology: Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 6.95 V ~ 40 V Frequency - Switching: 500kHz Synchronous Rectifier: Yes Clock Sync: Yes Control Features: Current Limit, Enable, Frequency Control, Soft Start Operating Temperature: -40C ~ 85C (TA) Package / Case: 20-LCC (J-Lead) Supplier Device Package: 20-PLCC (9x9) Base Part Number: UC2846	1000 Order	1+: $0
UC3823QTR-ND	UC3823QTR	Texas Instruments	View more Packaging: Tape & Reel (TR) Part Status: Discontinued at Digi-Key Output Type: Transistor Driver Function: Step-Up, Step-Down, Step-Up/Step-Down Output Configuration: Positive Topology: Buck, Boost, Flyback, Forward Converter Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 8.4 V ~ 30 V Frequency - Switching: 340kHz ~ 460kHz Duty Cycle (Max): 85% Synchronous Rectifier: No Clock Sync: No Control Features: Current Limit, Enable, Frequency Control, Ramp, Soft Start Operating Temperature: 0C ~ 70C (TA) Package / Case: 20-LCC (J-Lead) Supplier Device Package: 20-PLCC (9x9) Base Part Number: UC3823	1000 Order	--
LTC3890MPUH-2#T RPBF-ND	LTC3890MPUH-2#T RPBF	Linear Technology/Analog Devices	View more Series: PolyPhase Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Down, Step-Up/Step-Down Output Configuration: Positive Topology: Buck, SEPIC Number of Outputs: 2 Output Phases: 2 Voltage - Supply (Vcc/Vdd): 4 V ~ 60 V Frequency - Switching: 105kHz ~ 835kHz, 350kHz ~ 535kHz Duty Cycle (Max): 99% Synchronous Rectifier: Yes Clock Sync: No Control Features: Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking Operating Temperature: -55C ~ 150C (TJ) Package / Case: 32-WFQFN Exposed Pad Supplier Device Package: 32-QFN (5x5) Base Part Number: LTC3890	1000 Order	1+: $0
MAX5051AUI-T-ND	MAX5051AUI-T	Maxim Integrated	View more Packaging: Tape & Reel (TR) Part Status: Obsolete Output Type: Transistor Driver Function: Step-Up/Step-Down Output Configuration: Positive, Isolation Capable Topology: Flyback, Forward Converter Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 11 V ~ 76 V Duty Cycle (Max): 48% Synchronous Rectifier: Yes Clock Sync: Yes Control Features: Frequency Control, Soft Start Operating Temperature: -40C ~ 125C (TJ) Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Supplier Device Package: 28-TSSOP-EP Base Part Number: MAX5051	1000 Order	1+: $0
UCC2806PWTRG4-N D	UCC2806PWTRG4	Texas Instruments	View more Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Up, Step-Up/Step-Down Output Configuration: Positive, Isolation Capable Topology: Boost, Flyback, Forward Converter Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 8 V ~ 14.5 V Frequency - Switching: 47kHz Duty Cycle (Max): 50% Synchronous Rectifier: Yes Clock Sync: No Control Features: Current Limit, Enable, Frequency Control Operating Temperature: -40C ~ 85C (TA) Package / Case: 16-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 16-TSSOP Base Part Number: UCC2806	1000 Order	2000+: $4.0139
MAX1993ETG+-ND	MAX1993ETG+	Maxim Integrated	View more Series: Quick-PWM Packaging: Tube Part Status: Active Output Type: Transistor Driver Function: Step-Down Output Configuration: Positive Topology: Buck Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Frequency - Switching: 200kHz, 300kHz, 450kHz, 600kHz Duty Cycle (Max): 100% Synchronous Rectifier: Yes Clock Sync: No Control Features: Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation Operating Temperature: -40C ~ 85C (TA) Package / Case: 24-WFQFN Exposed Pad Supplier Device Package: 24-TQFN (4x4) Base Part Number: MAX1993	298 Order	--
296-15063-5-ND	UC28025N	Texas Instruments	View more Packaging: Tube Part Status: Active Output Type: Transistor Driver Function: Step-Up, Step-Up/Step-Down Output Configuration: Positive Topology: Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Number of Outputs: 2 Output Phases: 2 Voltage - Supply (Vcc/Vdd): 9 V ~ 30 V Frequency - Switching: 340kHz ~ 460kHz Duty Cycle (Max): 45% Synchronous Rectifier: Yes Clock Sync: No Control Features: Current Limit, Enable, Frequency Control, Ramp, Soft Start Operating Temperature: -40C ~ 105C (TA) Package / Case: 16-DIP (0.300", 7.62mm) Supplier Device Package: 16-PDIP Base Part Number: UC28025	2211 Order	--
ISL78223AAZ-ND	ISL78223AAZ	Intersil	View more Series: Automotive, AEC-Q100 Packaging: Tube Part Status: Obsolete Output Type: Transistor Driver Function: Step-Up/Step-Down Output Configuration: Positive, Isolation Capable Topology: Full-Bridge Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 9 V ~ 16 V Frequency - Switching: Up to 2MHz Duty Cycle (Max): 99% Synchronous Rectifier: Yes Clock Sync: No Control Features: Frequency Control, Ramp, Soft Start Operating Temperature: -40C ~ 105C (TA) Package / Case: 20-SSOP (0.154", 3.90mm Width) Supplier Device Package: 20-QSOP Base Part Number: ISL78223	134 Order	1+: $4.1517 10+: $3.7523 100+: $3.1063
UC2525ANG4-ND	UC2525ANG4	Texas Instruments	View more Packaging: Tube Part Status: Active Output Type: Transistor Driver Function: Step-Up, Step-Up/Step-Down Output Configuration: Positive Topology: Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 8 V ~ 35 V Frequency - Switching: 100Hz ~ 400kHz Duty Cycle (Max): 49% Synchronous Rectifier: Yes Clock Sync: Yes Control Features: Enable, Frequency Control, Soft Start Operating Temperature: -25C ~ 85C (TA) Package / Case: 16-DIP (0.300", 7.62mm) Supplier Device Package: 16-PDIP Base Part Number: UC2525A	1000 Order	300+: $1.0647
LTC3805EMSE-5#T RPBF-ND	LTC3805EMSE-5#T RPBF	Linear Technology/Analog Devices	View more Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Up, Step-Up/Step-Down Output Configuration: Positive, Isolation Capable Topology: Boost, Flyback, SEPIC Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 3.95 V ~ 9.5 V Frequency - Switching: 70kHz ~ 700kHz Duty Cycle (Max): 80% Synchronous Rectifier: No Clock Sync: Yes Control Features: Enable, Soft Start Operating Temperature: -40C ~ 85C (TA) Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Supplier Device Package: 10-MSOP-EP Base Part Number: LTC3805	1000 Order	--
LTC3859ALEFE#TR PBF-ND	LTC3859ALEFE#TR PBF	Linear Technology/Analog Devices	View more Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Down, Step-Up/Step-Down Output Configuration: Positive Topology: Buck, Buck-Boost, SEPIC Number of Outputs: 3 Output Phases: 2 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 38 V Frequency - Switching: 115kHz ~ 835kHz, 350kHz ~ 535kHz Duty Cycle (Max): 99%, 100% Synchronous Rectifier: Yes Clock Sync: No Control Features: Enable, Frequency Control, Power Good, Soft Start, Tracking Operating Temperature: -40C ~ 125C (TJ) Package / Case: 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Supplier Device Package: 38-TSSOP-EP Base Part Number: LTC3859	1000 Order	2000+: $3.5986
ISL6741IV-T-ND	ISL6741IV-T	Intersil	View more Packaging: Tape & Reel (TR) Part Status: Obsolete Output Type: Transistor Driver Function: Step-Up/Step-Down Output Configuration: Positive, Isolation Capable Topology: Full-Bridge, Half-Bridge, Push-Pull Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 9 V ~ 16 V Frequency - Switching: Up to 1MHz Duty Cycle (Max): 83% Synchronous Rectifier: Yes Clock Sync: Yes Control Features: Enable, Frequency Control, Soft Start Operating Temperature: -40C ~ 105C (TA) Package / Case: 16-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 16-TSSOP Base Part Number: ISL6741	1000 Order	1+: $0
296-11170-5-ND	UC2825DW	Texas Instruments	View more Packaging: Tube Part Status: Active Output Type: Transistor Driver Function: Step-Up, Step-Up/Step-Down Output Configuration: Positive Topology: Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 8.4 V ~ 30 V Frequency - Switching: 340kHz ~ 460kHz Duty Cycle (Max): 80% Synchronous Rectifier: No Clock Sync: No Control Features: Current Limit, Enable, Frequency Control, Ramp, Soft Start Operating Temperature: -40C ~ 85C (TA) Package / Case: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC Base Part Number: UC2825	1000 Order	--
296-39521-2-ND	UC3525ADWTR	Texas Instruments	View more Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Up, Step-Down, Step-Up/Step-Down Output Configuration: Positive Topology: Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 8 V ~ 35 V Frequency - Switching: 100Hz ~ 400kHz Duty Cycle (Max): 49% Synchronous Rectifier: Yes Clock Sync: Yes Control Features: Enable, Frequency Control, Soft Start Operating Temperature: 0C ~ 70C (TA) Package / Case: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC Base Part Number: UC3525A	1000 Order	--
LTC3859ALHUHF#P BF-ND	LTC3859ALHUHF#P BF	Linear Technology/Analog Devices	View more Packaging: Tube Part Status: Active Output Type: Transistor Driver Function: Step-Down, Step-Up/Step-Down Output Configuration: Positive Topology: Buck, Buck-Boost, SEPIC Number of Outputs: 3 Output Phases: 2 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 38 V Frequency - Switching: 115kHz ~ 835kHz, 350kHz ~ 535kHz Duty Cycle (Max): 99%, 100% Synchronous Rectifier: Yes Clock Sync: No Control Features: Enable, Frequency Control, Power Good, Soft Start, Tracking Operating Temperature: -40C ~ 150C (TJ) Package / Case: 38-WFQFN Exposed Pad Supplier Device Package: 38-QFN (5x7) Base Part Number: LTC3859	54 Order	1+: $7.1064 25+: $4.7552
UCC28089DRG4-ND	UCC28089DRG4	Texas Instruments	View more Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Up/Step-Down Output Configuration: Positive, Isolation Capable Topology: Push-Pull Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 8.5 V ~ 14 V Frequency - Switching: Up to 1MHz Duty Cycle (Max): 50% Synchronous Rectifier: No Clock Sync: Yes Control Features: Dead Time Control, Frequency Control Operating Temperature: -40C ~ 105C (TA) Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC Base Part Number: UCC28089	1000 Order	2500+: $0.6804
MIC2166YMME-TR- ND	MIC2166YMME-TR	Microchip Technology	View more Series: Hyper Speed Control Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Down Output Configuration: Positive Topology: Buck Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 28 V Frequency - Switching: 600kHz Duty Cycle (Max): 82% Synchronous Rectifier: Yes Clock Sync: No Control Features: Enable, Power Good Operating Temperature: -40C ~ 125C (TJ) Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Supplier Device Package: 10-MSOP-EP Base Part Number: MIC2166	1000 Order	2500+: $0.6619
LTC7813MPUH#TRP BF-ND	LTC7813MPUH#TRP BF	Linear Technology/Analog Devices	View more Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Up, Step-Down Output Configuration: Positive Topology: Buck, Boost Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 60 V Frequency - Switching: 105kHz ~ 835kHz, 350kHz ~ 535kHz Duty Cycle (Max): 96%, 99% Synchronous Rectifier: Yes Clock Sync: No Control Features: Enable, Frequency Control, Power Good, Soft Start, Tracking Operating Temperature: -55C ~ 150C (TJ) Package / Case: 32-WFQFN Exposed Pad Supplier Device Package: 32-QFN (5x5) Base Part Number: LTC7813	1000 Order	1+: $12.87
LTC3859ALMPUHF# PBF-ND	LTC3859ALMPUHF# PBF	Linear Technology/Analog Devices	View more Packaging: Tube Part Status: Active Output Type: Transistor Driver Function: Step-Down, Step-Up/Step-Down Output Configuration: Positive Topology: Buck, Buck-Boost, SEPIC Number of Outputs: 3 Output Phases: 2 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 38 V Frequency - Switching: 115kHz ~ 835kHz, 350kHz ~ 535kHz Duty Cycle (Max): 99%, 100% Synchronous Rectifier: Yes Clock Sync: No Control Features: Enable, Frequency Control, Power Good, Soft Start, Tracking Operating Temperature: -55C ~ 150C (TJ) Package / Case: 38-WFQFN Exposed Pad Supplier Device Package: 38-QFN (5x7) Base Part Number: LTC3859	1000 Order	52+: $12.1002
UCC38086PWRG4-N D	UCC38086PWRG4	Texas Instruments	View more Packaging: Tape & Reel (TR) Part Status: Obsolete Output Type: Transistor Driver Function: Step-Up, Step-Down, Step-Up/Step-Down Output Configuration: Positive Topology: Buck, Boost, Half-Bridge, Push-Pull Number of Outputs: 2 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 4.1 V ~ 15 V Frequency - Switching: 200kHz Duty Cycle (Max): 49% Synchronous Rectifier: Yes Clock Sync: No Control Features: Current Limit, Frequency Control Operating Temperature: 0C ~ 70C (TA) Package / Case: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP Base Part Number: UCC38086	1000 Order	1+: $0
LTC3891HUDC#TRP BF-ND	LTC3891HUDC#TRP BF	Linear Technology/Analog Devices	View more Packaging: Tape & Reel (TR) Part Status: Active Output Type: Transistor Driver Function: Step-Down Output Configuration: Positive Topology: Buck Number of Outputs: 1 Output Phases: 1 Voltage - Supply (Vcc/Vdd): 4 V ~ 60 V Frequency - Switching: 105kHz ~ 835kHz, 350kHz ~ 535kHz Duty Cycle (Max): 99% Synchronous Rectifier: Yes Clock Sync: No Control Features: Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking Operating Temperature: -40C ~ 150C (TJ) Package / Case: 20-WFQFN Exposed Pad Supplier Device Package: 20-QFN (3x4) Base Part Number: LTC3891	1000 Order	1+: $0

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