LT3988IMSE#PBF

Analog Devices Inc.
Dual 60V Monolithic 1A Step-Down Switching Regulator Features: Wide Input Range: Operation from 4.1V to 60V Overvoltage Lockout Protects Circuit Through 80V Transients Two 1A Output Switching Regulators with Internal Power Switches Short Circuit Robust Adjustable 250kHz to 2.5MHz Switching Frequency, Synchronizable Over the Full Range Integrated Boost Diodes Integrated Loop Compensation Anti-Phase Switching Reduces Ripple Low Shutdown IQ (<2μA) Uses Small Inductors and Ceramic Capacitors Thermally Enhanced, 16-Lead MSOP Package
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3988IMSE#PBF 0 $11.17 $10.27 $9.84 $8.67 $7.53 $7.53
element14 APAC LT3988IMSE#PBF 63 1 $17.93 $12.36 $10.46 $10.46 $10.05 $10.05
Farnell LT3988IMSE#PBF 63 1 $10.92 $7.53 $6.04 $6.04 $5.41 $5.41
Mouser Electronics LT3988IMSE#PBF 7568 1 $10.59 $9.74 $8.56 $8.56 $6.87 $6.66
Newark LT3988IMSE#PBF 63 1 $11.08 $7.64 $7.28 $7.28 $7.28 $7.28

LT3990HMSE#PBF

Analog Devices Inc.
62V, 350mA Step-Down Regulator with 2.5A Quiescent Current and Integrated Diodes Features: Low Ripple Burst Mode® Operation 2.5μA IQ at 12VIN to 3.3VOUT Output Ripple < 5mVP-P Wide Input Voltage Range: 4.2V to 62V Operating Adjustable Switching Frequency: 200kHz to 2.2MHz Integrated Boost and Catch Diodes 350mA Output Current Fixed Output Voltages: 3.3V, 5V 2μA IQ at 12VIN Accurate Programmable Undervoltage Lockout FMEA Fault Tolerant (MSOP Package) Output Stays at or Below Regulation Voltage During Adjacent Pin Short or When a Pin is Left Floating Low Shutdown Current: IQ = 0.7μA Internal Sense Limits Catch Diode Current Power Good Flag Small, Thermally Enhanced 16-Pin MSOP and (3mm × 3mm) DFN Packages
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3990HMSE#PBF 0 $9.51 $8.59 $8.19 $7.11 $5.66 $5.66
element14 APAC LT3990HMSE#PBF 122 1 $17.04 $11.59 $9.66 $9.66 $7.87 $7.87
Farnell LT3990HMSE#PBF 11 1 $8.81 $5.99 $4.99 $4.99 $4.27 $4.27
Mouser Electronics LT3990HMSE#PBF 962 1 $9.52 $7.50 $5.72 $5.72 $5.26 $4.90
Newark LT3990HMSE#PBF 122 1 $10.52 $7.16 $5.96 $5.96 $5.96 $5.96
Win Source LT3990HMSE#PBF 3410 6

LT3991IMSE#TRPBF

Analog Devices Inc.
55V, 1.2A Step-Down Regulator with 2.8A Quiescent Current Features:Ultralow Quiescent Current: 2.8μA IQ Regulating 12VIN to 3.3VOUTFixed Output Voltages: 3.3V, 5V 2.1μA IQ Regulating 12VINLow Ripple Burst Mode® Operation: Output Ripple < 15mVP-PWide Input Voltage Range: 4.3V to 55V1.2A Maximum Output CurrentAdjustable Switching Frequency: 200kHz to 2MHzSynchronizable Between 250kHz to 2MHzFast Transient ResponseAccurate 1V Enable Pin ThresholdLow Shutdown Current: IQ = 700nAPower Good FlagSoft-Start CapabilityVInternal CompensationSaturating Switch Design: 0.44Ω On-ResistanceOutput Voltage: 1.19V to 30VSmall Thermally Enhanced 10-Pin MSOP Package and (3mm × 3mm) DFN Packages
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3991IMSE#TRPBF 0 $9.91 $8.96 $8.54 $7.42 $5.90 $5.90
Mouser Electronics LT3991IMSE#TRPBF 969 1 $10.13 $7.71 $6.86 $5.90 $5.08 $5.08

LT3992EFE#TRPBF

Analog Devices Inc.
Monolithic Dual Tracking 3A Step-Down Switching Regulator Features: Wide Input Range: – Operation from 3V to 60V Independent Supply, Shutdown, Soft-Start, UVLO, Programmable Current Limit and Programmable Power Good for Each 3A Regulator Die Temperature Monitor Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2MHz with Synchronized Clock Output Independent Synchronized Switching Frequencies Optimize Component Size Antiphase Switching Outputs Can Be Paralleled Flexible Output Voltage Tracking Low Dropout: 95% Maximum Duty Cycle 5mm × 5mm QFN Package FMEA Compliant 38-Pin Exposed Pad TSSOP Package
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3992EFE#TRPBF 0
Arrow North American Components LT3992EFE#TRPBF 0 2000 $8.64
Mouser Electronics LT3992EFE#TRPBF 0 2000 $7.81

LT3992HFE#TRPBF

Analog Devices Inc.
Monolithic Dual Tracking 3A Step-Down Switching Regulator Features: Wide Input Range: – Operation from 3V to 60V Independent Supply, Shutdown, Soft-Start, UVLO, Programmable Current Limit and Programmable Power Good for Each 3A Regulator Die Temperature Monitor Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2MHz with Synchronized Clock Output Independent Synchronized Switching Frequencies Optimize Component Size Antiphase Switching Outputs Can Be Paralleled Flexible Output Voltage Tracking Low Dropout: 95% Maximum Duty Cycle 5mm × 5mm QFN Package FMEA Compliant 38-Pin Exposed Pad TSSOP Package
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3992HFE#TRPBF 0
Arrow North American Components LT3992HFE#TRPBF 0 2000 $9.16
Mouser Electronics LT3992HFE#TRPBF 0 2000 $8.98

LT3645EUD#PBF

Analog Devices Inc.
36V 500mA Step-Down Regulator and 200mA LDO Features: Wide Input Range: Operation from 3.6V to 36V Overvoltage Lockout Protects Circuit Through 55V Transients on Input 500mA Output Current Switching Regulator High Switching Frequency: 750kHz 200mA Low Dropout Linear Regulator 1.2V to 16V Input; 0.8V to 8V Output 310mV Dropout Voltage VCC2 to OUT2 Precision Programmable Undervoltage Lockout Short-Circuit Robust Internal Soft-Start <2μA Shutdown Current Small Thermally Enhanced 16-Lead (3mm × 3mm) QFN and 12-Lead MSE Packages
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3645EUD#PBF 0 $6.86 $6.20 $5.91 $5.13 $4.08 $4.08
element14 APAC LT3645EUD#PBF 121 1 $13.38 $8.96 $7.82 $7.82 $5.67 $5.67
Farnell LT3645EUD#PBF 121 1 $6.66 $4.47 $3.89 $3.89 $2.82 $2.82
Mouser Electronics LT3645EUD#PBF 38 1 $6.49 $5.87 $5.61 $4.86 $4.23 $3.52
Newark LT3645EUD#PBF 121 1 $8.26 $5.53 $4.52 $4.22 $4.22 $4.22

LT3663IDCB#TRMPBF

Analog Devices Inc.
1.2A Step-Down Switching Regulator with Output Current Limit Features: Wide Input Range: Operation from 7.5V to 36V Overvoltage Lockout Protects Circuit through 60V Transients Programmable Output Current Limit (0.4A to 1.2A) 3.3V and 5V Fixed Output Voltage Options Integrated Boost Diode Fixed Frequency, Peak Current Mode Control LT3663 fSW = 1.5MHz LT3663-X fSW = 1MHZ Low Switch VCESAT: 275mV at 1A Internally Compensated Thermal Protection Thermally Enhanced 8-Pin 2mm × 3mm DFN and
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3663IDCB#TRMPBF 0 $8.38 $8.38 $8.38 $8.38 $5.78 $5.78
Mouser Electronics LT3663IDCB#TRMPBF 0 500 $4.57 $4.57

LT3663IMS8E#TRPBF

Analog Devices Inc.
1.2A Step-Down Switching Regulator with Output Current Limit Features: Wide Input Range: Operation from 7.5V to 36V Overvoltage Lockout Protects Circuit through 60V Transients Programmable Output Current Limit (0.4A to 1.2A) 3.3V and 5V Fixed Output Voltage Options Integrated Boost Diode Fixed Frequency, Peak Current Mode Control LT3663 fSW = 1.5MHz LT3663-X fSW = 1MHZ Low Switch VCESAT: 275mV at 1A Internally Compensated Thermal Protection Thermally Enhanced 8-Pin 2mm × 3mm DFN and
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3663IMS8E#TRPBF 0
Mouser Electronics LT3663IMS8E#TRPBF 0 2500 $4.78
Win Source LT3663IMS8E#TRPBF 1 1

LT3668HMSE#TRPBF

Analog Devices Inc.
40V 400mA Step-Down Switching Regulator with Dual Fault Protected Tracking LDOs Features: Dual Low Dropout Linear Tracking Regulators 200mA Outputs with Programmable Current Limits 1.6V to 45V Input Range Fault Protected to ±45V Triple Output Supply from a Single Input Requires Only One Inductor IQ = 50μA at 12VIN to 6V and 5V with No Load Buck Regulator: Low Ripple (<15mVP-P) Burst Mode® Operation 400mA Output with Internal Power Switch 4.3V to 40V Input Operation Range (60V Max) Adjustable 250kHz to 2.2MHz Switching Frequency Power Good Indicator Available in a Thermally-Enhanced 16-Lead MSOP Package
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3668HMSE#TRPBF 0
Mouser Electronics LT3668HMSE#TRPBF 0 2500 $4.74

LT3668IMSE#TRPBF

Analog Devices Inc.
40V 400mA Step-Down Switching Regulator with Dual Fault Protected Tracking LDOs Features: Dual Low Dropout Linear Tracking Regulators 200mA Outputs with Programmable Current Limits 1.6V to 45V Input Range Fault Protected to ±45V Triple Output Supply from a Single Input Requires Only One Inductor IQ = 50μA at 12VIN to 6V and 5V with No Load Buck Regulator: Low Ripple (<15mVP-P) Burst Mode® Operation 400mA Output with Internal Power Switch 4.3V to 40V Input Operation Range (60V Max) Adjustable 250kHz to 2.2MHz Switching Frequency Power Good Indicator Available in a Thermally-Enhanced 16-Lead MSOP Package
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
Analog Devices Inc LT3668IMSE#TRPBF 0
Arrow North American Components LT3668IMSE#TRPBF 0 2500 $4.06
Mouser Electronics LT3668IMSE#TRPBF 0 2500 $4.39